SpringMVC,MyBatis商品的增删改查

一、需求

商品的增删改查

二、工程结构

三、代码

1.Mapper层

(1)

ItemsMapperCustom.java

 package com.tony.ssm.mapper;

 import java.util.List;

 import com.tony.ssm.po.ItemsCustom;

 import com.tony.ssm.po.ItemsQueryVo;

 public interface ItemsMapperCustom {

     //商品查询列表

     public List<ItemsCustom> findItemsList(ItemsQueryVo itemsQueryVo)throws Exception;

 }

ItemsMapperCustom.xml

 <?xml version="1.0" encoding="UTF-8" ?>

 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >

 <mapper namespace="com.tony.ssm.mapper.ItemsMapperCustom" >

    <!-- 定义商品查询的sql片段，就是商品查询条件 -->

    <sql id="query_items_where">

        <!-- 使用动态sql，通过if判断，满足条件进行sql拼接 -->

        <!-- 商品查询条件通过ItemsQueryVo包装对象 中itemsCustom属性传递 -->

            <if test="itemsCustom!=null">

                <if test="itemsCustom.name!=null and itemsCustom.name!=''">

                    items.name LIKE '%${itemsCustom.name}%'

                </if>

            </if>

    </sql>

       <!-- 商品列表查询 -->

       <!-- parameterType传入包装对象(包装了查询条件)

           resultType建议使用扩展对象

        -->

       <select id="findItemsList" parameterType="com.tony.ssm.po.ItemsQueryVo"

            resultType="com.tony.ssm.po.ItemsCustom">

           SELECT items.* FROM items

           <where>

               <include refid="query_items_where"></include>

           </where>

       </select>

 </mapper>

(2)

ItemsMapper.java

 package com.tony.ssm.mapper;

 import com.tony.ssm.po.Items;

 import com.tony.ssm.po.ItemsExample;

 import java.util.List;

 import org.apache.ibatis.annotations.Param;

 public interface ItemsMapper {

     int countByExample(ItemsExample example);

     int deleteByExample(ItemsExample example);

     int deleteByPrimaryKey(Integer id);

     int insert(Items record);

     int insertSelective(Items record);

     List<Items> selectByExampleWithBLOBs(ItemsExample example);

     List<Items> selectByExample(ItemsExample example);

     Items selectByPrimaryKey(Integer id);

     int updateByExampleSelective(@Param("record") Items record, @Param("example") ItemsExample example);

     int updateByExampleWithBLOBs(@Param("record") Items record, @Param("example") ItemsExample example);

     int updateByExample(@Param("record") Items record, @Param("example") ItemsExample example);

     int updateByPrimaryKeySelective(Items record);

     int updateByPrimaryKeyWithBLOBs(Items record);

     int updateByPrimaryKey(Items record);

 }

ItemsMapper.xml

 <?xml version="1.0" encoding="UTF-8" ?>

 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >

 <mapper namespace="com.tony.ssm.mapper.ItemsMapper" >

   <resultMap id="BaseResultMap" type="com.tony.ssm.po.Items" >

     <id column="id" property="id" jdbcType="INTEGER" />

     <result column="name" property="name" jdbcType="VARCHAR" />

     <result column="price" property="price" jdbcType="REAL" />

     <result column="pic" property="pic" jdbcType="VARCHAR" />

     <result column="createtime" property="createtime" jdbcType="TIMESTAMP" />

   </resultMap>

   <resultMap id="ResultMapWithBLOBs" type="com.tony.ssm.po.Items" extends="BaseResultMap" >

     <result column="detail" property="detail" jdbcType="LONGVARCHAR" />

   </resultMap>

   <sql id="Example_Where_Clause" >

     <where >

       <foreach collection="oredCriteria" item="criteria" separator="or" >

         <if test="criteria.valid" >

           <trim prefix="(" suffix=")" prefixOverrides="and" >

             <foreach collection="criteria.criteria" item="criterion" >

               <choose >

                 <when test="criterion.noValue" >

                   and ${criterion.condition}

                 </when>

                 <when test="criterion.singleValue" >

                   and ${criterion.condition} #{criterion.value}

                 </when>

                 <when test="criterion.betweenValue" >

                   and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}

                 </when>

                 <when test="criterion.listValue" >

                   and ${criterion.condition}

                   <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," >

                     #{listItem}

                   </foreach>

                 </when>

               </choose>

             </foreach>

           </trim>

         </if>

       </foreach>

     </where>

   </sql>

   <sql id="Update_By_Example_Where_Clause" >

     <where >

       <foreach collection="example.oredCriteria" item="criteria" separator="or" >

         <if test="criteria.valid" >

           <trim prefix="(" suffix=")" prefixOverrides="and" >

             <foreach collection="criteria.criteria" item="criterion" >

               <choose >

                 <when test="criterion.noValue" >

                   and ${criterion.condition}

                 </when>

                 <when test="criterion.singleValue" >

                   and ${criterion.condition} #{criterion.value}

                 </when>

                 <when test="criterion.betweenValue" >

                   and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}

                 </when>

                 <when test="criterion.listValue" >

                   and ${criterion.condition}

                   <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," >

                     #{listItem}

                   </foreach>

                 </when>

               </choose>

             </foreach>

           </trim>

         </if>

       </foreach>

     </where>

   </sql>

   <sql id="Base_Column_List" >

     id, name, price, pic, createtime

   </sql>

   <sql id="Blob_Column_List" >

     detail

   </sql>

   <select id="selectByExampleWithBLOBs" resultMap="ResultMapWithBLOBs" parameterType="com.tony.ssm.po.ItemsExample" >

     select

     <if test="distinct" >

       distinct

     </if>

     <include refid="Base_Column_List" />

     ,

     <include refid="Blob_Column_List" />

     from items

     <if test="_parameter != null" >

       <include refid="Example_Where_Clause" />

     </if>

     <if test="orderByClause != null" >

       order by ${orderByClause}

     </if>

   </select>

   <select id="selectByExample" resultMap="BaseResultMap" parameterType="com.tony.ssm.po.ItemsExample" >

     select

     <if test="distinct" >

       distinct

     </if>

     <include refid="Base_Column_List" />

     from items

     <if test="_parameter != null" >

       <include refid="Example_Where_Clause" />

     </if>

     <if test="orderByClause != null" >

       order by ${orderByClause}

     </if>

   </select>

   <select id="selectByPrimaryKey" resultMap="ResultMapWithBLOBs" parameterType="java.lang.Integer" >

     select

     <include refid="Base_Column_List" />

     ,

     <include refid="Blob_Column_List" />

     from items

     where id = #{id,jdbcType=INTEGER}

   </select>

   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >

     delete from items

     where id = #{id,jdbcType=INTEGER}

   </delete>

   <delete id="deleteByExample" parameterType="com.tony.ssm.po.ItemsExample" >

     delete from items

     <if test="_parameter != null" >

       <include refid="Example_Where_Clause" />

     </if>

   </delete>

   <insert id="insert" parameterType="com.tony.ssm.po.Items" >

     insert into items (id, name, price,

       pic, createtime, detail

       )

     values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}, #{price,jdbcType=REAL},

       #{pic,jdbcType=VARCHAR}, #{createtime,jdbcType=TIMESTAMP}, #{detail,jdbcType=LONGVARCHAR}

       )

   </insert>

   <insert id="insertSelective" parameterType="com.tony.ssm.po.Items" >

     insert into items

     <trim prefix="(" suffix=")" suffixOverrides="," >

       <if test="id != null" >

         id,

       </if>

       <if test="name != null" >

         name,

       </if>

       <if test="price != null" >

         price,

       </if>

       <if test="pic != null" >

         pic,

       </if>

       <if test="createtime != null" >

         createtime,

       </if>

       <if test="detail != null" >

         detail,

       </if>

     </trim>

     <trim prefix="values (" suffix=")" suffixOverrides="," >

       <if test="id != null" >

         #{id,jdbcType=INTEGER},

       </if>

       <if test="name != null" >

         #{name,jdbcType=VARCHAR},

       </if>

       <if test="price != null" >

         #{price,jdbcType=REAL},

       </if>

       <if test="pic != null" >

         #{pic,jdbcType=VARCHAR},

       </if>

       <if test="createtime != null" >

         #{createtime,jdbcType=TIMESTAMP},

       </if>

       <if test="detail != null" >

         #{detail,jdbcType=LONGVARCHAR},

       </if>

     </trim>

   </insert>

   <select id="countByExample" parameterType="com.tony.ssm.po.ItemsExample" resultType="java.lang.Integer" >

     select count(*) from items

     <if test="_parameter != null" >

       <include refid="Example_Where_Clause" />

     </if>

   </select>

   <update id="updateByExampleSelective" parameterType="map" >

     update items

     <set >

       <if test="record.id != null" >

         id = #{record.id,jdbcType=INTEGER},

       </if>

       <if test="record.name != null" >

         name = #{record.name,jdbcType=VARCHAR},

       </if>

       <if test="record.price != null" >

         price = #{record.price,jdbcType=REAL},

       </if>

       <if test="record.pic != null" >

         pic = #{record.pic,jdbcType=VARCHAR},

       </if>

       <if test="record.createtime != null" >

         createtime = #{record.createtime,jdbcType=TIMESTAMP},

       </if>

       <if test="record.detail != null" >

         detail = #{record.detail,jdbcType=LONGVARCHAR},

       </if>

     </set>

     <if test="_parameter != null" >

       <include refid="Update_By_Example_Where_Clause" />

     </if>

   </update>

   <update id="updateByExampleWithBLOBs" parameterType="map" >

     update items

     set id = #{record.id,jdbcType=INTEGER},

       name = #{record.name,jdbcType=VARCHAR},

       price = #{record.price,jdbcType=REAL},

       pic = #{record.pic,jdbcType=VARCHAR},

       createtime = #{record.createtime,jdbcType=TIMESTAMP},

       detail = #{record.detail,jdbcType=LONGVARCHAR}

     <if test="_parameter != null" >

       <include refid="Update_By_Example_Where_Clause" />

     </if>

   </update>

   <update id="updateByExample" parameterType="map" >

     update items

     set id = #{record.id,jdbcType=INTEGER},

       name = #{record.name,jdbcType=VARCHAR},

       price = #{record.price,jdbcType=REAL},

       pic = #{record.pic,jdbcType=VARCHAR},

       createtime = #{record.createtime,jdbcType=TIMESTAMP}

     <if test="_parameter != null" >

       <include refid="Update_By_Example_Where_Clause" />

     </if>

   </update>

   <update id="updateByPrimaryKeySelective" parameterType="com.tony.ssm.po.Items" >

     update items

     <set >

       <if test="name != null" >

         name = #{name,jdbcType=VARCHAR},

       </if>

       <if test="price != null" >

         price = #{price,jdbcType=REAL},

       </if>

       <if test="pic != null" >

         pic = #{pic,jdbcType=VARCHAR},

       </if>

       <if test="createtime != null" >

         createtime = #{createtime,jdbcType=TIMESTAMP},

       </if>

       <if test="detail != null" >

         detail = #{detail,jdbcType=LONGVARCHAR},

       </if>

     </set>

     where id = #{id,jdbcType=INTEGER}

   </update>

   <update id="updateByPrimaryKeyWithBLOBs" parameterType="com.tony.ssm.po.Items" >

     update items

     set name = #{name,jdbcType=VARCHAR},

       price = #{price,jdbcType=REAL},

       pic = #{pic,jdbcType=VARCHAR},

       createtime = #{createtime,jdbcType=TIMESTAMP},

       detail = #{detail,jdbcType=LONGVARCHAR}

     where id = #{id,jdbcType=INTEGER}

   </update>

   <update id="updateByPrimaryKey" parameterType="com.tony.ssm.po.Items" >

     update items

     set name = #{name,jdbcType=VARCHAR},

       price = #{price,jdbcType=REAL},

       pic = #{pic,jdbcType=VARCHAR},

       createtime = #{createtime,jdbcType=TIMESTAMP}

     where id = #{id,jdbcType=INTEGER}

   </update>

 </mapper>

2.Service层

(1)

ItemsService.java

 package com.tony.ssm.service;

 import java.util.List;

 import com.tony.ssm.po.ItemsCustom;

 import com.tony.ssm.po.ItemsQueryVo;

 /**

  *

  * <p>Title: ItemsService</p>

  * <p>Description:商品管理service </p>

  */

 public interface ItemsService {

     //商品查询列表

     public List<ItemsCustom> findItemsList(ItemsQueryVo itemsQueryVo) throws Exception;

     //根据id查询商品信息

     /**

      *

      * <p>Title: findItemsById</p>

      * <p>Description: </p>

      * @param id 查询商品的id

      * @return

      * @throws Exception

      */

     public ItemsCustom findItemsById(Integer id) throws Exception;

     //修改商品信息

     /**

      *

      * <p>Title: updateItems</p>

      * <p>Description: </p>

      * @param id 修改商品的id

      * @param itemsCustom 修改的商品信息

      * @throws Exception

      */

     public void updateItems(Integer id,ItemsCustom itemsCustom) throws Exception;

 }

ItemsServiceImpl.java

 package com.tony.ssm.service.impl;

 import java.util.List;

 import org.springframework.beans.BeanUtils;

 import org.springframework.beans.factory.annotation.Autowired;

 import com.tony.ssm.exception.CustomException;

 import com.tony.ssm.mapper.ItemsMapper;

 import com.tony.ssm.mapper.ItemsMapperCustom;

 import com.tony.ssm.po.Items;

 import com.tony.ssm.po.ItemsCustom;

 import com.tony.ssm.po.ItemsQueryVo;

 import com.tony.ssm.service.ItemsService;

 /**

  *

  * <p>Title: ItemsServiceImpl</p>

  * <p>Description: 商品管理</p>

  */

 public class ItemsServiceImpl implements ItemsService{

     @Autowired

     private ItemsMapperCustom itemsMapperCustom;

     @Autowired

     private ItemsMapper itemsMapper;

     @Override

     public List<ItemsCustom> findItemsList(ItemsQueryVo itemsQueryVo)

             throws Exception {

         //通过ItemsMapperCustom查询数据库

         return itemsMapperCustom.findItemsList(itemsQueryVo);

     }

     @Override

     public ItemsCustom findItemsById(Integer id) throws Exception {

         Items items = itemsMapper.selectByPrimaryKey(id);

         if(items==null){

             throw new CustomException("修改的商品信息不存在!");

         }

         //中间对商品信息进行业务处理

         //....

         //返回ItemsCustom

         ItemsCustom itemsCustom = null;

         //将items的属性值拷贝到itemsCustom

         if(items!=null){

             itemsCustom = new ItemsCustom();

             BeanUtils.copyProperties(items, itemsCustom);

         }

         return itemsCustom;

     }

     @Override

     public void updateItems(Integer id, ItemsCustom itemsCustom) throws Exception {

         //添加业务校验，通常在service接口对关键参数进行校验

         //校验 id是否为空，如果为空抛出异常

         //更新商品信息使用updateByPrimaryKeyWithBLOBs根据id更新items表中所有字段，包括 大文本类型字段

         //updateByPrimaryKeyWithBLOBs要求必须转入id

         itemsCustom.setId(id);

         itemsMapper.updateByPrimaryKeyWithBLOBs(itemsCustom);

     }

 }

3.Controller层

(1)ItemsController.java

 package com.tony.ssm.controller;

 import java.io.File;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import java.util.UUID;

 import javax.servlet.http.HttpServletRequest;

 import org.springframework.beans.factory.annotation.Autowired;

 import org.springframework.stereotype.Controller;

 import org.springframework.ui.Model;

 import org.springframework.validation.BindingResult;

 import org.springframework.validation.ObjectError;

 import org.springframework.validation.annotation.Validated;

 import org.springframework.web.bind.annotation.ModelAttribute;

 import org.springframework.web.bind.annotation.PathVariable;

 import org.springframework.web.bind.annotation.RequestMapping;

 import org.springframework.web.bind.annotation.RequestMethod;

 import org.springframework.web.bind.annotation.RequestParam;

 import org.springframework.web.bind.annotation.ResponseBody;

 import org.springframework.web.multipart.MultipartFile;

 import org.springframework.web.servlet.ModelAndView;

 import com.tony.ssm.controller.validation.ValidateGroup1;

 import com.tony.ssm.po.ItemsCustom;

 import com.tony.ssm.po.ItemsQueryVo;

 import com.tony.ssm.service.ItemsService;

 /**

  *

  * <p>Title: ItemsController1</p>

  * <p>Description:实现controller接口的 处理器 </p>

  */

 @Controller

 @RequestMapping("/items")

 public class ItemsController {

     @Autowired

     private ItemsService itemsService;

     @RequestMapping("/queryItems")

     public ModelAndView queryItems(HttpServletRequest request,

             ItemsQueryVo itemsQueryVo) throws Exception {

         // 测试forward后request是否可以共享

         System.out.println(request.getParameter("id"));

         //调用service查找 数据库，查询商品列表

         List<ItemsCustom> itemsList = itemsService.findItemsList(itemsQueryVo);

         //返回ModelAndView

         ModelAndView modelAndView =  new ModelAndView();

         //相当 于request的setAttribut，在jsp页面中通过itemsList取数据

         modelAndView.addObject("itemsList", itemsList);

         //指定视图

         modelAndView.setViewName("items/itemsList");

         return modelAndView;

     }

     //@RequestMapping("/editItems")

 //    @RequestMapping(value="/editItems",method={RequestMethod.POST,RequestMethod.GET})

 //    public ModelAndView editItems() throws Exception {

 //        //调用service根据商品id查询商品信息

 //        ItemsCustom itemsCustom = itemsService.findItemsById(1);

 //

 //        // 返回ModelAndView

 //        ModelAndView modelAndView = new ModelAndView();

 //

 //        //将商品信息放到model

 //        modelAndView.addObject("itemsCustom", itemsCustom);

 //

 //        //商品修改页面1

 //        modelAndView.setViewName("items/editItems");

 //

 //        return modelAndView;

 //    }

     //controller可能返回ModelAndView、String、void

     // @RequestParam里边指定request传入参数名称和形参进行绑定。

     // 通过required属性指定参数是否必须要传入

     // 通过defaultValue可以设置默认值，如果id参数没有传入，将默认值和形参绑定。

     @RequestMapping(value="/editItems",method={RequestMethod.POST,RequestMethod.GET})

     public String editItems(Model model,@RequestParam(value="id") Integer items_id) throws Exception {

         //调用service根据商品id查询商品信息

         ItemsCustom itemsCustom = itemsService.findItemsById(items_id);

 //        if(itemsCustom == null){

 //            throw new CustomException("商品不存在");

 //        }

         // 通过形参中的model将model数据传到页面

         // 相当于modelAndView.addObject方法

         model.addAttribute("items", itemsCustom);

         return "items/editItems";

     }

     @RequestMapping("/editItemsSubmit")

     public String editItemsSubmit(Model model,

             HttpServletRequest request,

             Integer id,

             @ModelAttribute("items") @Validated(value={ValidateGroup1.class}) ItemsCustom itemsCustom,

             BindingResult bindingResult,

             MultipartFile itemsPic) throws Exception {

         // 获取校验错误信息

         if(bindingResult.hasErrors()){

             List<ObjectError> allErrors = bindingResult.getAllErrors();

             for(ObjectError error : allErrors){

                 System.out.println(error.getDefaultMessage());

             }

             // 将错误信息传到页面

             model.addAttribute("allErrors", allErrors);

             //如果不用@ModelAttribute也可以使用model.addAttribute("items", itemsCustom)完成数据回显。

             //model.addAttribute("items", itemsCustom);

             // 出错重新到商品修改页面

             return "items/editItems";

         }

         //上传图片

         if(itemsPic != null){

             //原始名称

             String originalFilename = itemsPic.getOriginalFilename();

             //存储图片的物理路径

             String picPath = "D:\\Workspaces\\eclipseJ2EE\\springmvc_mybatis\\WebRoot\\pic\\";

             //新的图片名称

             String newFileName = UUID.randomUUID() + originalFilename.substring(originalFilename.lastIndexOf("."));

             //新图片

             File newFile = new File(picPath + newFileName);

             //将内存中的数据写入磁盘

             itemsPic.transferTo(newFile);

             //将新图片名称写到itemsCustom中,写到数据库表中

             itemsCustom.setPic(newFileName);

         }

         //调用service更新商品信息

         itemsService.updateItems(id, itemsCustom);

         // 重定向到商品查询列表

         //return "redirect:queryItems.action";

         // 页面转发

         //return "forward:queryItems.action";

         return "success";

     }

     @RequestMapping("deleteItems")

     public String deleteItems(Integer[] items_ids) throws Exception {

         //调用service批量删除

         return "success";

     }

     //绑定集合类型list

     // 批量修改商品页面，将商品信息查询出来，在页面中可以编辑商品信息

     @RequestMapping("editItemsQuery")

     public String editItemsQuery(Model model) throws Exception {

         List<ItemsCustom> itemsList = itemsService.findItemsList(null);

         model.addAttribute("itemsList", itemsList);

         return "items/editItemsQuery";

     }

     // 批量修改商品提交

     // 通过ItemsQueryVo接收批量提交的商品信息，将商品信息存储到itemsQueryVo中itemsList属性中。

     @RequestMapping("editItemsAllSubmit")

     public String editItemsAllSubmit(ItemsQueryVo itemsQueryVo) throws Exception {

         return "success";

     }

     @ModelAttribute("itemtypes")

     public Map<String, String> getItemTypes(){

         Map<String, String> itemTypes = new HashMap<String, String>();

         itemTypes.put("101", "数码");

         itemTypes.put("102", "图书");

         return itemTypes;

     }

     //RESTful查询商品信息，输出json

     ///itemsView/{id}里边的{id}表示占位符，通过@PathVariable获取占位符中的参数，

     //如果占位符中的名称和形参名一致，在@PathVariable可以不指定名称

     @RequestMapping("/itemsView/{id}")

     public @ResponseBody ItemsCustom itemsView(@PathVariable("id") Integer id) throws Exception {

         ItemsCustom itemsCustom = itemsService.findItemsById(id);

         return itemsCustom;

     }

 }

(2)LoginController.java

 package com.tony.ssm.controller;

 import javax.servlet.http.HttpSession;

 import org.springframework.stereotype.Controller;

 import org.springframework.web.bind.annotation.RequestMapping;

 @Controller

 public class LoginController {

     //登录

     @RequestMapping("/login")

     public String login(HttpSession session, String username, String password) throws Exception{

         //向session记录用户身份信息

         session.setAttribute("username", username);

         return "redirect:items/queryItems.action";

     }

     //退出

     @RequestMapping("/logout")

     public String logout(HttpSession session) throws Exception{

         //session过期

         session.invalidate();

         return "redirect:items/queryItems.action";

     }

 }

4.po类

(1)Items.java

 package com.tony.ssm.po;

 import java.util.Date;

 import javax.validation.constraints.NotNull;

 import javax.validation.constraints.Size;

 import com.tony.ssm.controller.validation.ValidateGroup1;

 public class Items {

     private Integer id;

     //这里指定分组ValidGroup1，此@Size校验只适用ValidGroup1校验

     //校验名称在1到30字符中间

     //message是提示校验出错显示的信息

     //groups：此校验属于哪个分组，groups可以定义多个分组

     @Size(min=1,max=30,message="{items.name.length.error}",groups={ValidateGroup1.class})

     private String name;

     private Float price;

     private String pic;

     @NotNull(message="{items.createtime.isNUll}")

     private Date createtime;

     private String detail;

     public Integer getId() {

         return id;

     }

     public void setId(Integer id) {

         this.id = id;

     }

     public String getName() {

         return name;

     }

     public void setName(String name) {

         this.name = name == null ? null : name.trim();

     }

     public Float getPrice() {

         return price;

     }

     public void setPrice(Float price) {

         this.price = price;

     }

     public String getPic() {

         return pic;

     }

     public void setPic(String pic) {

         this.pic = pic == null ? null : pic.trim();

     }

     public Date getCreatetime() {

         return createtime;

     }

     public void setCreatetime(Date createtime) {

         this.createtime = createtime;

     }

     public String getDetail() {

         return detail;

     }

     public void setDetail(String detail) {

         this.detail = detail == null ? null : detail.trim();

     }

 }

(2)ItemsCustom.java

 package com.tony.ssm.po;

 /**

  *

  * <p>Title: ItemsCustom</p>

  * <p>Description: 商品信息的扩展类</p>

  */

 public class ItemsCustom extends Items {

     //添加商品信息的扩展属性

 }

(3)ItemsQueryVo.java

 package com.tony.ssm.po;

 import java.util.List;

 /**

  *

  * <p>Title: ItemsQueryVo</p>

  * <p>Description:商品包装对象 </p>

  */

 public class ItemsQueryVo {

     //商品信息

     private Items items;

     //为了系统 可扩展性，对原始生成的po进行扩展

     private ItemsCustom itemsCustom;

     //批量商品信息

     private List<ItemsCustom> itemsList;

     //用户信息

     //private UserCustom userCustom;

     public Items getItems() {

         return items;

     }

     public void setItems(Items items) {

         this.items = items;

     }

     public ItemsCustom getItemsCustom() {

         return itemsCustom;

     }

     public void setItemsCustom(ItemsCustom itemsCustom) {

         this.itemsCustom = itemsCustom;

     }

     public List<ItemsCustom> getItemsList() {

         return itemsList;

     }

     public void setItemsList(List<ItemsCustom> itemsList) {

         this.itemsList = itemsList;

     }

 }

5.convertor

(1)CustomDateConverter.java

 package com.tony.ssm.controller.converter;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import org.springframework.core.convert.converter.Converter;

 /**

  *

  * <p>Title: CustomDateConverter</p>

  * <p>Description:日期转换器 </p>

  */

 public class CustomDateConverter implements Converter<String,Date>{

     @Override

     public Date convert(String source) {

         //实现 将日期串转成日期类型(格式是yyyy-MM-dd HH:mm:ss)

         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

         try {

             //转成直接返回

             return simpleDateFormat.parse(source);

         } catch (ParseException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         }

         //如果参数绑定失败返回null

         return null;

     }

 }

6.validation

(1)ValidateGroup1.java

 package com.tony.ssm.controller.validation;

 public interface ValidateGroup1 {

 }

(2)ValidateGroup2.java

 package com.tony.ssm.controller.validation;

 public interface ValidateGroup2 {

 }

7.exception

(1)CustomException.java

 package com.tony.ssm.exception;

 public class CustomException extends Exception {

     private String message;

     public CustomException(String message) {

         super();

         this.message = message;

     }

     public String getMessage() {

         return message;

     }

     public void setMessage(String message) {

         this.message = message;

     }

 }

(2)CustomExceptionResolver.java

 package com.tony.ssm.exception;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.springframework.web.servlet.HandlerExceptionResolver;

 import org.springframework.web.servlet.ModelAndView;

 public class CustomExceptionResolver implements HandlerExceptionResolver{

     @Override

     public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler,

             Exception ex) {

         CustomException ce = null;

         //如果抛出的是系统自定义异常则直接转换

         if(ex instanceof CustomException){

             ce = (CustomException)ex;

         }else{

             //如果抛出的不是系统自定义异常则重新构造一个未知错误异常。

             ce = new CustomException("未知异常");

         }

         ModelAndView modelAndView = new ModelAndView();

         modelAndView.addObject("message", ce.getMessage());

         modelAndView.setViewName("error");

         return modelAndView;

     }

 }

8.interceptor

(1)LoginInterceptor.java

 package com.tony.ssm.interceptor;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import javax.servlet.http.HttpSession;

 import org.springframework.web.servlet.HandlerInterceptor;

 import org.springframework.web.servlet.ModelAndView;

 public class LoginInterceptor implements HandlerInterceptor{

     /**

      * controller执行前调用此方法

      * 返回true表示继续执行，返回false中止执行

      * 这里可以加入登录校验、权限拦截等

      */

     @Override

     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)

             throws Exception {

         //如果是登录页面则放行,开发中放行的路径写在配置文件中

         if(request.getRequestURI().indexOf("login.action")>=0){

             return true;

         }

         //如果用户已登录也放行

         HttpSession session = request.getSession();

         if(session.getAttribute("username") != null){

             return true;

         }

         //用户没有登录挑战到登录页面

         request.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(request, response);

         return false;

     }

     /**

      * controller执行后但未返回视图前调用此方法

      * 这里可在返回用户前对模型数据进行加工处理，比如这里加入公用信息以便页面显示

      */

     @Override

     public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,

             ModelAndView modelAndView) throws Exception {

         System.out.println("LoginInterceptor .......postHandle");

     }

     /**

      * controller执行后且视图返回后调用此方法

      * 这里可得到执行controller时的异常信息

      * 这里可记录操作日志，资源清理等

      */

     @Override

     public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)

             throws Exception {

         System.out.println("LoginInterceptor .......afterCompletion");

     }

 }

9.view层

(1)itemsList.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="fmt"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>查询商品列表</title>

 <script>

     function deleteItems(){

         document.itemsForm.action = "${pageContext.request.contextPath }/items/deleteItems.action";

         document.itemsForm.submit();

     }

 </script>

 </head>

 <body>

 <c:if test="${username != null }">

     当前用户:${username }

     <a href="${pageContext.request.contextPath }/logout.action">退出</a>

 </c:if>

 <form name="itemsForm" action="${pageContext.request.contextPath }/items/queryItems.action" method="post">

 查询条件：

 <table width="100%" border=1>

 <tr>

 <td>名称：<input name="itemsCustom.name"/></td>

 <td>

     商品类型：

     <select name="itemtypes">

         <c:forEach items="${itemtypes }" var="itemtype">

             <option value="${itemtype.key }">${itemtype.value }</option>

         </c:forEach>

     </select>

 </td>

 <td><input type="submit" value="查询"/></td>

 <td><input type="button" value="批量删除" onclick="deleteItems()"/></td>

 </tr>

 </table>

 商品列表：

 <table width="100%" border=1>

 <tr>

     <td>选择</td>

     <td>商品名称</td>

     <td>商品价格</td>

     <td>生产日期</td>

     <td>商品描述</td>

     <td>操作</td>

 </tr>

 <c:forEach items="${itemsList}" var="item">

 <tr>

     <td><input type="checkbox" value="${item.id}" name="items_ids" /></td>

     <td>${item.name }</td>

     <td>${item.price }</td>

     <td><fmt:formatDate value="${item.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/></td>

     <td>${item.detail }</td>

     <td><a href="${pageContext.request.contextPath }/items/editItems.action?id=${item.id}">修改</a></td>

 </tr>

 </c:forEach>

 </table>

 </form>

 </body>

 </html>

(2)editItems.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="fmt"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>修改商品信息</title>

 </head>

 <body>

 <c:if test="${allErrors != null}">

     <c:forEach items="${allErrors }" var="error">

         ${error.defaultMessage }<br/>

     </c:forEach>

 </c:if>

 <form id="itemForm" action="${pageContext.request.contextPath }/items/editItemsSubmit.action" method="post" enctype="multipart/form-data">

 <input type="hidden" name="id" value="${items.id }"/>

 修改商品信息：

 <table width="100%" border=1>

 <tr>

     <td>商品名称</td>

     <td><input type="text" name="name" value="${items.name }"/></td>

 </tr>

 <tr>

     <td>商品价格</td>

     <td><input type="text" name="price" value="${items.price }"/></td>

 </tr>

 <tr>

     <td>商品生产日期</td>

     <td><input type="text" name="createtime" value="<fmt:formatDate value="${items.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/>"/></td>

 </tr>

 <tr>

     <td>商品图片</td>

     <td>

         <c:if test="${items.pic !=null}">

             <img src="../pic/${items.pic}" width=100 height=100/>

             <br/>

         </c:if>

         <input type="file"  name="itemsPic"/>

     </td>

 </tr>

 <tr>

     <td>商品简介</td>

     <td>

     <textarea rows="3" cols="30" name="detail">${items.detail }</textarea>

     </td>

 </tr>

 <tr>

 <td colspan="2" align="center"><input type="submit" value="提交"/>

 </td>

 </tr>

 </table>

 </form>

 </body>

 </html>

(3)editItemsQuery.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

 <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="fmt"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>查询商品列表</title>

 <script type="text/javascript">

 function editItemsAllSubmit(){

     //提交form

     document.itemsForm.action="${pageContext.request.contextPath }/items/editItemsAllSubmit.action";

     document.itemsForm.submit();

 }

 function queryItems(){

     //提交form

     document.itemsForm.action="${pageContext.request.contextPath }/items/queryItems.action";

     document.itemsForm.submit();

 }

 </script>

 </head>

 <body>

 <form name="itemsForm" action="${pageContext.request.contextPath }/items/queryItems.action" method="post">

 查询条件：

 <table width="100%" border=1>

 <tr>

 <td>

 商品名称：<input name="itemsCustom.name" />

 </td>

 <td><input type="button" value="查询" onclick="queryItems()"/>

 <input type="button" value="批量修改提交" onclick="editItemsAllSubmit()"/>

 </td>

 </tr>

 </table>

 商品列表：

 <table width="100%" border=1>

 <tr>

     <td>商品名称</td>

     <td>商品价格</td>

     <td>生产日期</td>

     <td>商品描述</td>

     <td>操作</td>

 </tr>

 <c:forEach items="${itemsList }" var="item" varStatus="status">

 <tr>    

     <td><input name="itemsList[${status.index }].name" value="${item.name }"/></td>

     <td><input name="itemsList[${status.index }].price" value="${item.price }"/></td>

     <td><input name="itemsList[${status.index }].createtime" value="<fmt:formatDate value="${item.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/>"/></td>

     <td><input name="itemsList[${status.index }].detail" value="${item.detail }"/></td>

 </tr>

 </c:forEach>

 </table>

 </form>

 </body>

 </html>

(4)error.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>错误提示</title>

 </head>

 <body>

 ${message }

 </body>

 </html>

(5)success.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>成功提示</title>

 </head>

 <body>

 操作成功！

 </body>

 </html>

(6)login.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>系统登陆</title>

 </head>

 <body>

 <form action="${pageContext.request.contextPath }/login.action" method="post">

 用户账号：<input type="text" name="username" /><br/>

 用户密码 ：<input type="password" name="password" /><br/>

 <input type="submit" value="登陆"/>

 </form>

 </body>

 </html>

(7)jsonTest.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>json交互测试</title>

 <script type="text/javascript" src="${pageContext.request.contextPath }/js/jquery-1.4.4.min.js"></script>

 <script type="text/javascript">

 //请求json，输出是json

 function requestJson(){

     $.ajax({

         type:'post',

         url:'${pageContext.request.contextPath }/requestJson.action',

         contentType:'application/json;charset=utf-8',

         //数据格式是json串，商品信息

         data:'{"name":"手机","price":999}',

         success:function(data){//返回json结果

             console.log(data);

         }

     });

 }

 //请求key/value，输出是json

 function responseJson(){

     $.ajax({

         type:'post',

         url:'${pageContext.request.contextPath }/responseJson.action',

         //请求是key/value这里不需要指定contentType，因为默认就 是key/value类型

         //contentType:'application/json;charset=utf-8',

         //数据格式是json串，商品信息

         data:'name=手机&price=999',

         success:function(data){//返回json结果

             alert(data.name);

         }

     });

 }

 </script>

 </head>

 <body>

 <input type="button" onclick="requestJson()" value="请求json，输出是json"/>

 <input type="button" onclick="responseJson()" value="请求key/value，输出是json"/>

 </body>

 </html>

10.MyBatis配置文件

(1)sqlMapConfig.xml

 <?xml version="1.0" encoding="UTF-8" ?>

 <!DOCTYPE configuration

 PUBLIC "-//mybatis.org//DTD Config 3.0//EN"

 "http://mybatis.org/dtd/mybatis-3-config.dtd">

 <configuration>

     <!-- 全局setting配置，根据需要添加 -->

     <!-- 配置别名 -->

     <typeAliases>

         <!-- 批量扫描别名 -->

         <package name="com.tony.ssm.po"/>

     </typeAliases>

     <!-- 配置mapper

     由于使用spring和mybatis的整合包进行mapper扫描，这里不需要配置了。

     必须遵循：mapper.xml和mapper.java文件同名且在一个目录

      -->

     <!-- <mappers>

     </mappers> -->

 </configuration>

(2)generatorConfig.xml(反向工程配置文件)

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-3.2.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">

 <!-- 事务管理器

     对mybatis操作数据库事务控制，spring使用jdbc的事务控制类

 -->

 <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

     <!-- 数据源

     dataSource在applicationContext-dao.xml中配置了

      -->

     <property name="dataSource" ref="dataSource"/>

 </bean>

 <!-- 通知 -->

 <tx:advice id="txAdvice" transaction-manager="transactionManager">

     <tx:attributes>

         <!-- 传播行为 -->

         <tx:method name="save*" propagation="REQUIRED"/>

         <tx:method name="delete*" propagation="REQUIRED"/>

         <tx:method name="insert*" propagation="REQUIRED"/>

         <tx:method name="update*" propagation="REQUIRED"/>

         <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>

         <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>

         <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>

     </tx:attributes>

 </tx:advice>

 <!-- aop -->

 <aop:config>

     <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.tony.ssm.service.impl.*.*(..))"/>

 </aop:config>

 </beans>

11.Spring配置文件

(1)springmvc.xml

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-3.2.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">

     <!-- 配置Handler

     <bean id="itemsController1" name="/queryItems1.action" class="com.tony.ssm.controller.ItemsController1" />

      -->

     <!--  对于注解的Handler可以单个配置

     实际开发中建议使用组件扫描

      <bean class="com.tony.ssm.controller.ItemsController" /> -->

     <!--

      可以扫描controller、service、...

         这里让扫描controller，指定controller的包

     -->

     <!-- -->

     <context:component-scan base-package="com.tony.ssm.controller"/>

     <!-- 静态资源解析包括 ：js、css、img、.. -->

      <mvc:resources location="/js/" mapping="/js/**"/>

      <!--<mvc:resources location="/img/" mapping="/img/**"/>-->

     <!--  视图解析器 解析jsp解析，默认使用jstl标签，classpath下的得有jstl的包  -->

     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

         <!--  配置jsp路径的前缀  -->

         <property name="prefix" value="/WEB-INF/jsp/"/>

         <!--  配置jsp路径的后缀  -->

         <property name="suffix" value=".jsp"/>

     </bean>

     <!--

      使用 mvc:annotation-driven代替上边注解映射器和注解适配器配置

         mvc:annotation-driven默认加载很多的参数绑定方法，

         比如json转换解析器就默认加载了，如果使用mvc:annotation-driven不用配置上边的RequestMappingHandlerMapping和RequestMappingHandlerAdapter

         实际开发时使用mvc:annotation-driven

     -->

     <mvc:annotation-driven conversion-service="conversionService" validator="validator"></mvc:annotation-driven>

     <bean id="conversionService"

         class="org.springframework.format.support.FormattingConversionServiceFactoryBean">

         <!-- 转换器 -->

         <property name="converters">

             <list>

                 <bean class="com.tony.ssm.controller.converter.CustomDateConverter"/>

             </list>

         </property>

     </bean>

     <!-- 校验器 -->

     <bean id="validator"

         class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">

         <!-- hibernate校验器-->

         <property name="providerClass" value="org.hibernate.validator.HibernateValidator" />

         <!-- 指定校验使用的资源文件，在文件中配置校验错误信息，如果不指定则默认使用classpath下的ValidationMessages.properties -->

         <property name="validationMessageSource" ref="messageSource" />

     </bean>

     <!-- 校验错误信息配置文件 -->

     <bean id="messageSource"

         class="org.springframework.context.support.ReloadableResourceBundleMessageSource">

         <!-- 资源文件名-->

         <property name="basenames">

             <list>

             <value>classpath:CustomValidationMessages</value>

             </list>

         </property>

         <!-- 资源文件编码格式 -->

         <property name="fileEncodings" value="utf-8" />

         <!-- 对资源文件内容缓存时间，单位秒 -->

         <property name="cacheSeconds" value="120" />

     </bean>

     <!-- 全局异常处理器

     只要实现HandlerExceptionResolver接口就是全局异常处理器,若写多个也只有一个才有效

      -->

     <bean class="com.tony.ssm.exception.CustomExceptionResolver"></bean>

     <!-- 文件上传 -->

     <bean id="multipartResolver"

         class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

         <!-- 设置上传文件的最大尺寸为5MB -->

         <property name="maxUploadSize">

             <value>5242880</value>

         </property>

     </bean>

     <!--拦截器 -->

     <mvc:interceptors>

         <!--多个拦截器,顺序执行 -->

         <!-- 登陆认证拦截器 -->

         <mvc:interceptor>

             <mvc:mapping path="/**"/>

             <bean class="com.tony.ssm.interceptor.LoginInterceptor"/>

         </mvc:interceptor>

         <mvc:interceptor>

             <!-- /**表示所有url包括子url路径 -->

             <mvc:mapping path="/**"/>

             <bean class="com.tony.ssm.interceptor.HandlerInterceptor1"/>

         </mvc:interceptor>

         <mvc:interceptor>

             <mvc:mapping path="/**"/>

             <bean class="com.tony.ssm.interceptor.HandlerInterceptor2"/>

         </mvc:interceptor>

     </mvc:interceptors>

 </beans>

(2)applicationContext-dao.xml

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-3.2.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">

     <!-- 加载db.properties文件中的内容，db.properties文件中key命名要有一定的特殊规则 -->

     <context:property-placeholder location="classpath:db.properties" />

     <!-- 配置数据源 ，dbcp -->

     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"

         destroy-method="close">

         <property name="driverClassName" value="${jdbc.driver}" />

         <property name="url" value="${jdbc.url}" />

         <property name="username" value="${jdbc.username}" />

         <property name="password" value="${jdbc.password}" />

         <property name="maxActive" value="30" />

         <property name="maxIdle" value="5" />

     </bean>

     <!-- sqlSessionFactory -->

     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

         <!-- 数据库连接池 -->

         <property name="dataSource" ref="dataSource" />

         <!-- 加载mybatis的全局配置文件 -->

         <property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml" />

     </bean>

     <!--

      <bean id="itmesMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

         <property name="mapperInterface" value="com.tony.ssm.mapper.ItemsMapper"/>

         <property name="sqlSessionFactory" ref="sqlSessionFactory"/>

     </bean>

      <bean id="itmesMapperCustom" class="org.mybatis.spring.mapper.MapperFactoryBean">

         <property name="mapperInterface" value="com.tony.ssm.mapper.ItemsMapperCustom"/>

         <property name="sqlSessionFactory" ref="sqlSessionFactory"/>

     </bean>

     -->

     <!-- mapper扫描器 ,cmlgb,一用扫描器就报错-->

     <!-- 扫描包路径，如果需要扫描多个包，中间使用半角逗号隔开-->

     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

         <property name="basePackage" value="com.tony.ssm.mapper"></property>

         <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />

     </bean>

 </beans>

(3)applicationContext-service.xml

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-3.2.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">

 <!-- 商品管理的service -->

 <bean id="itemsService" class="com.tony.ssm.service.impl.ItemsServiceImpl"/>

 </beans>

(4)applicationContext-transaction.xml

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-3.2.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">

 <!-- 事务管理器

     对mybatis操作数据库事务控制，spring使用jdbc的事务控制类

 -->

 <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

     <!-- 数据源

     dataSource在applicationContext-dao.xml中配置了

      -->

     <property name="dataSource" ref="dataSource"/>

 </bean>

 <!-- 通知 -->

 <tx:advice id="txAdvice" transaction-manager="transactionManager">

     <tx:attributes>

         <!-- 传播行为 -->

         <tx:method name="save*" propagation="REQUIRED"/>

         <tx:method name="delete*" propagation="REQUIRED"/>

         <tx:method name="insert*" propagation="REQUIRED"/>

         <tx:method name="update*" propagation="REQUIRED"/>

         <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>

         <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>

         <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>

     </tx:attributes>

 </tx:advice>

 <!-- aop -->

 <aop:config>

     <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.tony.ssm.service.impl.*.*(..))"/>

 </aop:config>

 </beans>

12.资源文件

(1)log4j.properties

 # Global logging configuration\uff0c\u5efa\u8bae\u5f00\u53d1\u73af\u5883\u4e2d\u8981\u7528debug

 log4j.rootLogger=DEBUG, stdout

 # Console output...

 log4j.appender.stdout=org.apache.log4j.ConsoleAppender

 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

 log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

(2)db.properties

 jdbc.driver=com.mysql.jdbc.Driver

 jdbc.url=jdbc:mysql://localhost:3306/mybatis

 jdbc.username=root

 jdbc.password=xxx

(3)CustomValidationMessages.properties

 #\u6dfb\u52a0\u6821\u9a8c\u9519\u8bef\u63d0\u4ea4\u4fe1\u606f

 items.name.length.error=\u8bf7\u8f93\u51651\u523030\u4e2a\u5b57\u7b26\u7684\u5546\u54c1\u540d\u79f0

 items.createtime.isNUll=\u8bf7\u8f93\u5165 \u5546\u54c1\u7684\u751f\u4ea7\u65e5\u671f

13.server配置文件web.xml

(1)web.xml

 <?xml version="1.0" encoding="UTF-8"?>

 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

     xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

     id="WebApp_ID" version="2.5">

     <display-name>springmvc_mybatis</display-name>

     <!-- 加载spring容器 -->

     <context-param>

         <param-name>contextConfigLocation</param-name>

         <param-value>/WEB-INF/classes/spring/applicationContext-*.xml</param-value>

     </context-param>

     <listener>

         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

     </listener>

     <!-- springmvc前端控制器 -->

     <servlet>

         <servlet-name>springmvc</servlet-name>

         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

         <!-- contextConfigLocation配置springmvc加载的配置文件（配置处理器映射器、适配器等等） 如果不配置contextConfigLocation，默认加载的是/WEB-INF/servlet名称-serlvet.xml（springmvc-servlet.xml） -->

         <init-param>

             <param-name>contextConfigLocation</param-name>

             <param-value>classpath:springmvc.xml</param-value>

         </init-param>

     </servlet>

     <servlet-mapping>

         <servlet-name>springmvc</servlet-name>

         <!-- 第一种：*.action，访问以.action结尾 由DispatcherServlet进行解析

             第二种：/，所以访问的地址都由DispatcherServlet进行解析，对于静态文件的解析需要配置不让DispatcherServlet进行解析

             使用此种方式可以实现 RESTful风格的url

             第三种：/*，这样配置不对，使用这种配置，最终要转发到一个jsp页面时， 仍然会由DispatcherServlet解析jsp地址，不能根据jsp页面找到handler，会报错。 -->

         <url-pattern>*.action</url-pattern>

     </servlet-mapping>

     <!-- springmvc前端控制器，rest配置 -->

     <servlet>

         <servlet-name>springmvc_rest</servlet-name>

         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

         <!-- contextConfigLocation配置springmvc加载的配置文件（配置处理器映射器、适配器等等） 如果不配置contextConfigLocation，默认加载的是/WEB-INF/servlet名称-serlvet.xml（springmvc-servlet.xml） -->

         <init-param>

             <param-name>contextConfigLocation</param-name>

             <param-value>classpath:springmvc.xml</param-value>

         </init-param>

     </servlet>

     <servlet-mapping>

         <servlet-name>springmvc_rest</servlet-name>

         <url-pattern>/</url-pattern>

     </servlet-mapping>

     <!-- post乱码过虑器 -->

     <filter>

         <filter-name>CharacterEncodingFilter</filter-name>

         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

         <init-param>

             <param-name>encoding</param-name>

             <param-value>utf-8</param-value>

         </init-param>

     </filter>

     <filter-mapping>

         <filter-name>CharacterEncodingFilter</filter-name>

         <url-pattern>/*</url-pattern>

     </filter-mapping>

     <welcome-file-list>

         <welcome-file>index.html</welcome-file>

         <welcome-file>index.htm</welcome-file>

         <welcome-file>index.jsp</welcome-file>

         <welcome-file>default.html</welcome-file>

         <welcome-file>default.htm</welcome-file>

         <welcome-file>default.jsp</welcome-file>

     </welcome-file-list>

 </web-app>

14.反向工程文件GeneratorSqlmap.java

 import java.io.File;

 import java.util.ArrayList;

 import java.util.List;

 import org.mybatis.generator.api.MyBatisGenerator;

 import org.mybatis.generator.config.Configuration;

 import org.mybatis.generator.config.xml.ConfigurationParser;

 import org.mybatis.generator.internal.DefaultShellCallback;

 public class GeneratorSqlmap {

     public void generator() throws Exception{

         List<String> warnings = new ArrayList<String>();

         boolean overwrite = true;

         //指定 逆向工程配置文件

         File configFile = new File("D:\\generatorConfig.xml");

         ConfigurationParser cp = new ConfigurationParser(warnings);

         Configuration config = cp.parseConfiguration(configFile);

         DefaultShellCallback callback = new DefaultShellCallback(overwrite);

         MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config,

                 callback, warnings);

         myBatisGenerator.generate(null);

     }

     public static void main(String[] args) throws Exception {

         try {

             GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap();

             generatorSqlmap.generator();

         } catch (Exception e) {

             e.printStackTrace();

         }

     }

 }

网盘资料

http://pan.baidu.com/s/1i3ShQ1B

http://pan.baidu.com/s/1dEuGpOl

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