JAVAWEB 一一 Sturts2+ibatis（框架，Sturts2，用action代替servlet）

web.xml

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

<web-app version="2.5"

	xmlns="http://java.sun.com/xml/ns/javaee"

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

	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

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

  <display-name></display-name>

  <welcome-file-list>

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

  </welcome-file-list>

  <filter>

    <filter-name>struts2</filter-name>

    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

  </filter>

  <filter-mapping>

    <filter-name>struts2</filter-name>

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

  </filter-mapping>

</web-app>

sqlMapConfig.xml

<!DOCTYPE sqlMapConfig PUBLIC "-//iBATIS.com//DTD SQL Map Config 2.0//EN"

"http://ibatis.apache.org/dtd/sql-map-config-2.dtd">

<sqlMapConfig>

   <settings

    cacheModelsEnabled ="true"

   lazyLoadingEnabled="true"

   enhancementEnabled="true"

   errorTracingEnabled="true"

   maxRequests="32"

   maxSessions="10"

   maxTransactions="5"

   useStatementNamespaces="true"/>

  <transactionManager type ="JDBC">

  	<dataSource type ="JNDI">

  		<property  name ="DataSource"  value ="java:comp/env/jdbc/emp" />

  	</dataSource>

  </transactionManager>

  <sqlMap  resource ="com/struts2/entity/userMap.xml" />

  <sqlMap  resource ="com/struts2/entity/bookMap.xml" />

</sqlMapConfig >

bookMap.xml

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

<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"

    "http://ibatis.apache.org/dtd/sql-map-2.dtd">

<sqlMap namespace="book">   

  <typeAlias alias="book" type="com.struts2.entity.Book"/>

	  	<resultMap class="Book" id="bookResultMap">

	  	<result property="bookId"/>

	  	<result property="bname"/>

	  	<result property="bprice"/>

	  	<result property="bcount"/>

	  	<result property="bds"/>

  	</resultMap>

  	<select id="getBookList" resultMap="bookResultMap">

  	select bookId,bname,bprice,bcount,bds from(

  	select e.*,rownum rn from(

  	select * from Book where 1=1

  	<isNotNull property="bname" prepend="and">

  		bname like '%$bname$%'

  	</isNotNull>

  	<isNotEmpty property="bprice" prepend="and">

  		bprice  <![CDATA[ <= $bprice$ ]]>

  	</isNotEmpty>

  	)e

  	 )

  	 where <![CDATA[ rn>=#startRow# and rn <=#endRow# ]]>

  	</select>

   <select id="getTotalCount" resultClass="java.lang.Integer">

 	select count(*)from Book where 1=1

 	  	<isNotNull property="bname" prepend="and">

  		bname like '%$bname$%'

  	</isNotNull>

  	<isNotEmpty property="bprice" prepend="and">

  		bprice  <![CDATA[ <= $bprice$ ]]>

  	</isNotEmpty>

  	</select>

	<insert id="addBook" parameterClass="Book">

	insert into BOOK(bookId,bname,bprice,bcount,bds)values

	(#bookId#,#bname#,#bprice#,#bcount#,#bds#)

	</insert>

	<select id="getBookById" resultMap="bookResultMap">

		select * from book where bookId =#bookId#

	</select>

	<update id="updateBook" parameterClass="Book">

		update book set bname=#bname#,bprice=#bprice#,bcount=#bcount#,bds=#bds#

		where bookId=#bookId#

	</update>

	<delete id="delBook" parameterClass="java.lang.Integer">

		delete from book where bookId=#bookId#

	</delete>

	<select id="getBookId" resultClass="java.lang.Integer">

		select Seq_id.Nextval from dual

	</select>

</sqlMap>

　　userMap.xml

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

<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"

    "http://ibatis.apache.org/dtd/sql-map-2.dtd">

<sqlMap namespace="user">   

  <typeAlias alias="User" type="com.struts2.entity.User"/>

  <parameterMap id="userParameterMap" class="User" >

  		<parameter property="userid" />

  		<parameter property="username" />

  		<parameter property="userpassword" />

  		<parameter property="role" />

  		<parameter property="state" />

  		<parameter property="email" />

  		<parameter property="createdate" />

  </parameterMap>

  <resultMap id="userResultMap" class="User">

    <result property="userid" column="USERID"/>

    <result property="username" column="USERNAME"/>

    <result property="userpassword" column="USERPASSWORD"/>

    <result property="role" column="ROLE"/>

    <result property="state" column="STATE"/>

    <result property="email" column="EMAIL"/>

    <result property="createdate" column="CREATEDATE"/>

  </resultMap>

  <select id="getUserByName" resultMap="userResultMap">

    select * from User_New where username =#username#

  </select>

</sqlMap>

sturt.xml

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

<!DOCTYPE struts PUBLIC

	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <constant name="struts.enable.DynamicMethodInvocation" value="false" />

    <constant name="struts.devMode" value="true"/>

    <package name="default" namespace="/" extends="struts-default">

        <default-action-ref name="index" />

        <global-results>

            <result name="error">/error.jsp</result>

        </global-results>

        <global-exception-mappings>

            <exception-mapping exception="java.lang.Exception" result="error"/>

        </global-exception-mappings>

    </package>

	<include file="user.xml"></include>

	<include file="book.xml"></include>

</struts>

　　book.xml

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

<!DOCTYPE struts PUBLIC

	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

 <!--    <constant name="struts.enable.DynamicMethodInvocation" value="false" /> -->

    <constant name="struts.devMode" value="true"/>

    <package name="book" namespace="/" extends="struts-default">

 		<action name="getBookList" class="com.struts2.action.BookAction">

 			<param name="list">list</param>

 			<result name="success">/jsp/list.jsp</result>

 		</action>

 		<action name="addBook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>

 			<result name="addError" >/jsp/error.jsp</result>

 		</action>

 		<action name="getbook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>

 			<result name="updateError" >/jsp/error.jsp</result>

 			<result name="bookObj" >/jsp/updateBook.jsp</result>

 		</action> 

  		<action name="update" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>

 			<result name="updateError" >/jsp/error.jsp</result>

 			<result name="bookObj" >/jsp/updateBook.jsp</result>

 		</action>

  		<action name="delbook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>

 			<result name="delError" >/jsp/error.jsp</result>

 		</action>

    </package>

</struts>

　　user.xml

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

<!DOCTYPE struts PUBLIC

	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

<!--     <constant name="struts.enable.DynamicMethodInvocation" value="false" /> -->

    <constant name="struts.devMode" value="true"/>

    <package name="user" namespace="/" extends="struts-default">

 		<action name="login" class="com.struts2.action.UserAction">

 			<result name="success" type="redirectAction">getBookList</result>

 			<result name="input">/jsp/login.jsp</result>

 		</action>

    </package>

</struts>

　User.action

package com.struts2.action;

import com.opensymphony.xwork2.Action;

import com.struts2.service.UserService;

import com.struts2.service.impl.UserServiceImpl;

public class UserAction implements Action {

	private String username;

	private String password;

	public String getPassword() {

		return password;

	}

	public void setPassword(String password) {

		this.password = password;

	}

	public String getUsername() {

		return username;

	}

	public void setUsername(String username) {

		this.username = username;

	}

	UserService service = new UserServiceImpl() ;

	public String execute() throws Exception {	

		boolean isLogin =service.isLogin(username, password);

		if(isLogin){

			return SUCCESS;

		}else{

			return INPUT;

		}

	}

}

　　Book.acton

package com.struts2.action;

import java.util.ArrayList;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.StrutsStatics;

import com.opensymphony.xwork2.Action;

import com.opensymphony.xwork2.ActionContext;

import com.struts2.entity.Book;

import com.struts2.service.BookService;

import com.struts2.service.impl.BookServiceImpl;

public class BookAction implements Action {

	private Book book;

	private String flag;

	private Integer bookId;

	private Integer totalCount;

	private Integer totalPage;

	public Book getBook() {

		return book;

	}

	public void setBook(Book book) {

		this.book = book;

	}

	public Integer getTotalPage() {

		return totalPage;

	}

	public void setTotalPage(Integer totalPage) {

		this.totalPage = totalPage;

	}

	public Integer getTotalCount() {

		return totalCount;

	}

	public void setTotalCount(Integer totalCount) {

		this.totalCount = totalCount;

	}

	public Integer getBookId() {

		return bookId;

	}

	public void setBookId(Integer bookId) {

		this.bookId = bookId;

	}

/*	public String getBookId() {

		return bookId;

	}

	public void setBookId(String bookId) {

		this.bookId = bookId;

	}*/

	public String getFlag() {

		return flag;

	}

	public void setFlag(String flag) {

		this.flag = flag;

	}

	public static final int PAGE_SIZE=5;

	public List<Book> getList() {

		return list;

	}

	public void setList(List<Book> list) {

		this.list = list;

	}

	private Integer pageIndex;

	public Integer getPageIndex() {

		return pageIndex;

	}

	public void setPageIndex(Integer pageIndex) {

		this.pageIndex = pageIndex;

	}

	BookService service = new BookServiceImpl();

	List<Book>list = new ArrayList<Book>();

	public String execute() throws Exception {

		if("2".equals(flag)){

			int bookId=service.getBookId();

			book.setBookId(bookId);

			boolean isAdd=service.addBook(book);

			book=null;

			if(!isAdd){

				return "addError";

			}

		}else if("4".equals(flag)){

			Book book2=service.getBookById(bookId);

			HttpServletRequest request=(HttpServletRequest)

			ActionContext.getContext().get(StrutsStatics.HTTP_REQUEST);

			request.setAttribute("book", book2);

			return "bookObj";

		}else if("5".equals(flag)){

			boolean ismodify = service.modifyBook(book);

			if(!ismodify){

				return "updateError";

			}

		}else if("3".equals(flag)){

			boolean isdel=service.delBook(bookId);

			if(!isdel){

				return "delError";

			}

		}

		if(pageIndex==null){

			pageIndex=1;

		}

		totalCount =service.getTotalCount(book);

		list = service.getBookList(pageIndex, PAGE_SIZE,book);

		totalPage = totalCount%PAGE_SIZE==0 ? (totalCount/PAGE_SIZE) : (totalCount/PAGE_SIZE+1);

		return SUCCESS;

	}

}

　　UserDao.java

package com.struts2.dao;

import com.struts2.entity.User;

	public interface UserDao {

		public User getUserByName(String username);

	}

　　UserDaoImpl.java

package com.struts2.dao.impl;

import java.sql.SQLException;

import com.ibatis.sqlmap.client.SqlMapClient;

import com.struts2.dao.UserDao;

import com.struts2.entity.User;

import com.struts2.util.SqlMapClientUtil;

public class UserDaoImpl implements UserDao{

	SqlMapClient sqlMapClient = SqlMapClientUtil.getSqlMapClient();

	User user=null;

	public User getUserByName(String username){

		try {

			//("user.getUserByName")命名空间  id username

		user = (User)sqlMapClient.queryForObject("user.getUserByName", username);

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return user;

	}	

}

　　BookDao.java

package com.struts2.dao;

import java.util.List;

import com.struts2.entity.Book;

public interface BookDao {

	public List<Book>getBookList(int pageIndex,int pageSize,Book book);

	public int getTotalCount(Book book);

	public Book getBookById(int bookId);

	public Book getBookById(String name);

	public boolean addBook(Book book);

	public boolean modifyBook(Book book);

	public boolean delBook(int bookId);

	public int getBookId();

}

　　　BookDaoImpl.java

package com.struts2.dao.impl;

import java.sql.SQLException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import com.ibatis.sqlmap.client.SqlMapClient;

import com.struts2.dao.BookDao;

import com.struts2.entity.Book;

import com.struts2.util.SqlMapClientUtil;

public class BookDaoImpl implements BookDao {

	SqlMapClient sqlMapClient =SqlMapClientUtil.getSqlMapClient();

	@Override

	public List<Book> getBookList(int pageIndex, int pageSize,Book book) {

		Map<String,Object> map = new HashMap<String,Object>();

		List<Book>list = new ArrayList<Book>();

		try {

			int startRow=(pageIndex-1)*pageSize+1;

			int endRow=pageIndex*pageSize;

			map.put("startRow", startRow);

			map.put("endRow", endRow);

			if(book!=null){

			map.put("bname",book.getBname());

			map.put("bprice", book.getBprice());

			}

			list = sqlMapClient.queryForList("book.getBookList", map);

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return list;

	}

	@Override

	public int getTotalCount(Book book) {

		Map<String,Object> map = new HashMap<String,Object>();

		int count = 0;

		try {

			if(book!=null){

			map.put("bname",book.getBname());

			map.put("bprice", book.getBprice());

			}

			count =(Integer)sqlMapClient.queryForObject("book.getTotalCount",map);

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (Exception e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return count;

	}

	@Override

	public Book getBookById(int bookId) {

		 Book book=null;

		try {

			book = (Book)sqlMapClient.queryForObject("book.getBookById", bookId);

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return book;

	}

	public Book getBookById(String name) {

		// TODO Auto-generated method stub

		return null;

	}

	@Override

	public boolean addBook(Book book) {

		SqlMapClient sqlMapClient=SqlMapClientUtil.getSqlMapClient();

		try {

			int count = sqlMapClient.update("book.addBook",book);

			if(count>0){

				return true;

			}else{

				return false;

			}

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return false;

	}

	@Override

	public boolean modifyBook(Book book) {

		try {

			int count = sqlMapClient.update("book.updateBook",book);

			if(count>0){

				return true;

			}else{

				return false;

			}

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}catch(Exception e){

			e.printStackTrace();

		}

		return false;

	}

	@Override

	public boolean delBook(int bookId) {

		int count;

		try {

			count = sqlMapClient.delete("book.delBook", bookId);

			if(count>0){

				return true;

			}else{

				return false;

			}

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return false;

	}

	public int getBookId(){

		int bookId=0;

		try {

			 bookId = (Integer)sqlMapClient.queryForObject("book.getBookId");

			 return bookId;

		} catch (SQLException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return bookId;

	}

}

　　User.java

package com.struts2.entity;

import java.util.Date;

public class User {

	private int userid;

	private String username;

	private String userpassword;

	private int role;

	private int state;

	private String email;

	private Date createdate;

	public User(String username, String userpassword, int role, int state,

			String email, Date createdate) {

		super();

		this.username = username;

		this.userpassword = userpassword;

		this.role = role;

		this.state = state;

		this.email = email;

		this.createdate = createdate;

	}

	public User() {

		super();

		// TODO Auto-generated constructor stub

	}

	public int getUserid() {

		return userid;

	}

	public void setUserid(int userid) {

		this.userid = userid;

	}

	public String getUsername() {

		return username;

	}

	public void setUsername(String username) {

		this.username = username;

	}

	public String getUserpassword() {

		return userpassword;

	}

	public void setUserpassword(String userpassword) {

		this.userpassword = userpassword;

	}

	public int getRole() {

		return role;

	}

	public void setRole(int role) {

		this.role = role;

	}

	public int getState() {

		return state;

	}

	public void setState(int state) {

		this.state = state;

	}

	public String getEmail() {

		return email;

	}

	public void setEmail(String email) {

		this.email = email;

	}

	public Date getCreatedate() {

		return createdate;

	}

	public void setCreatedate(Date createdate) {

		this.createdate = createdate;

	}

}

　　Book.java

package com.struts2.entity;

public class Book {

	private int bookId;

	private String bname;

	private String bprice;

	private int bcount;

	private String bds;

	public Book( String bname, String bprice, int bcount, String bds) {

		super();

		this.bname = bname;

		this.bprice = bprice;

		this.bcount = bcount;

		this.bds = bds;

	}

	public Book() {

		super();

		// TODO Auto-generated constructor stub

	}

	public int getBookId() {

		return bookId;

	}

	public void setBookId(int bookId) {

		this.bookId = bookId;

	}

	public String getBname() {

		return bname;

	}

	public void setBname(String bname) {

		this.bname = bname;

	}

	public String getBprice() {

		return bprice;

	}

	public void setBprice(String bprice) {

		this.bprice = bprice;

	}

	public int getBcount() {

		return bcount;

	}

	public void setBcount(int bcount) {

		this.bcount = bcount;

	}

	public String getBds() {

		return bds;

	}

	public void setBds(String bds) {

		this.bds = bds;

	}

}

　　UserService.java

package com.struts2.service;

public interface UserService {

	public boolean isLogin(String username,String password);

}

　　UserServiceImpl.java

package com.struts2.service.impl;

import com.struts2.dao.UserDao;

import com.struts2.dao.impl.UserDaoImpl;

import com.struts2.entity.User;

import com.struts2.service.UserService;

public class UserServiceImpl implements UserService {

	public boolean isLogin(String username, String password) {

		UserDao userDao = new UserDaoImpl();

		User user = userDao.getUserByName(username);

		if (user != null) {

			String pwd = user.getUserpassword();

			if (pwd.equals(password)) {

				return true;

			}

			return false;

		} else {

			return false;

		}

	}

}

　　BookService.java

package com.struts2.service;

import java.util.List;

import com.struts2.entity.Book;

public interface BookService {

	public List<Book>getBookList(int pageIndex,int pageSize,Book book);

	public int getTotalCount(Book book);

	public Book getBookById(int bookId);

	public Book getBookById(String name);

	public boolean addBook(Book book);

	public boolean modifyBook(Book book);

	public boolean delBook(int bookId);

	public int getBookId();

}

　　　BookServiceImpl.java

package com.struts2.service.impl;

import java.util.List;

import com.struts2.dao.BookDao;

import com.struts2.dao.impl.BookDaoImpl;

import com.struts2.entity.Book;

import com.struts2.service.BookService;

public class BookServiceImpl implements BookService {

	BookDao dao = new BookDaoImpl();

	public List<Book> getBookList(int pageIndex, int pageSize,Book book) {

		//

		return dao.getBookList(pageIndex, pageSize, book);

	}

	public int getTotalCount(Book book) {

		return dao.getTotalCount(book);

	}

	public Book getBookById(int bookId) {

		return dao.getBookById(bookId);

	}

	public Book getBookById(String name) {

		// TODO Auto-generated method stub

		return null;

	}

	public boolean addBook(Book book) {

	   return dao.addBook(book);

	}

	public boolean modifyBook(Book book) {

		//

		return dao.modifyBook(book);

	}

	public boolean delBook(int bookId) {

		//

		return dao.delBook(bookId);

	}

	@Override

	public int getBookId() {

		// TODO Auto-generated method stub

		return dao.getBookId();

	}

}

　　SqlMapClientUtil.java

package com.struts2.util;

import java.io.IOException;

import java.io.Reader;

import com.ibatis.common.resources.Resources;

import com.ibatis.sqlmap.client.SqlMapClient;

import com.ibatis.sqlmap.client.SqlMapClientBuilder;

public class SqlMapClientUtil {

	public static SqlMapClient getSqlMapClient() {

		SqlMapClient sqlMapClient = null;

		Reader reader = null;

		try {

			reader = Resources.getResourceAsReader("sqlMapConfig.xml");

			sqlMapClient = SqlMapClientBuilder.buildSqlMapClient(reader);

			reader.close();

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} finally {

			if (reader != null) {

				try {

					reader.close();

				} catch (Exception e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

			}

		}

		return sqlMapClient;

	}

}

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