Java-手动搭建SSH（maven版）

创建maven项目

把maven项目变为动态网站，步骤如下：

项目结构图如下：

开始搭建spring+springmvc+Hibernate项目

环境版本就不多说了，直接贴出pom.xml文件

 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.kaspar</groupId>
  <artifactId>com.kaspar</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>

   <properties>
        <!-- 统一源码的编码方式 -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <!-- 统一各个框架版本 -->
        <struts.version>2.5.10</struts.version>
        <spring.version>4.3.8.RELEASE</spring.version>
        <hibernate.version>5.1.7.Final</hibernate.version>
    </properties>

  <name>SSH Maven Webapp</name>
  <url>http://maven.apache.org</url>

  <dependencies>
        <!-- Junit依赖 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <!-- Spring 核心依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Spring web依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Struts2 核心依赖 -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-core</artifactId>
            <version>${struts.version}</version>
        </dependency>
        <!-- Struts2和Spring整合依赖 -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-spring-plugin</artifactId>
            <version>${struts.version}</version>
        </dependency>

        <!-- Spring整合ORM框架依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Hibernate 核心依赖 -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${hibernate.version}</version>
        </dependency>
        <!-- MySQL 依赖 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.42</version>
        </dependency>
        <!-- C3P0 依赖 -->
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5</version>
        </dependency>

        <!--
                       添加事务控制，本处使用基于AspectJ的xml声明式事务，控制更加灵活。因此需要添加aspectjweaver.jar包
         -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.10</version>
        </dependency>

  </dependencies>

  <build>
        <plugins>
            <!-- 统一源代码编译输出的JDK版本 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.7.0</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <!-- 打包时跳过单元测试 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.19.1</version>
                <configuration>
                    <skipTests>true</skipTests>
                </configuration>
            </plugin>
            <!-- 集成Tomcat插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <path>/${project.artifactId}</path>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app 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_3_0.xsd"
         version="3.0">

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

    <!-- 配置Struts2过滤器 -->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- 配置Spring的监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- 指定Spring配置文件所在路径 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

</web-app>

/SSH_Template_maven/WebContent/WEB-INF/view/index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!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>新增商品界面</title>
</head>
<body>
    <h1>新增商品</h1>
    <s:actionmessage/>
    <s:form action="product_save" method="post" namespace="/" theme="simple">
        <table width="600px">
            <tr>
                <th>商品名称</th>
                <td><s:textfield name="pname"/></td>
                <td><font color="red"><s:fielderror fieldName="pname"/></font></td>
            </tr>
            <tr>
                <th>商品价格</th>
                <td><s:textfield name="price"/></td>
                <td><font color="red"><s:fielderror fieldName="price"/></font></td>
            </tr>
            <tr>
                <th colspan="2">
                    <input type="submit" value="保存"/>
                </th>
                <th> </th>
            </tr>
        </table>
    </s:form>
</body>
</html>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- 开启包扫描，并注册注解 -->
    <context:component-scan base-package="com.kaspar.product.*"/>

    <!-- 引入属性文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 配置C3P0连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 数据库连接相关信息 -->
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="driverClass" value="${jdbc.driverClass}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <!-- 配置Hibernate的SessionFactory -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <!-- 注入连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 扫描并加载注解过的实体类 -->
        <property name="packagesToScan" value="com.kaspar.product.model"/>
        <!-- 配置Hibernate属性 -->
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.show_sql">true</prop><!-- 是否展示SQL -->
                <prop key="hibernate.format_sql">true</prop><!-- 输出底层sql语句格式 -->
                <prop key="hibernate.hbm2ddl.auto">update</prop><!-- 是否自动创建表结构 -->
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
            </props>
        </property>

    </bean>

            <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <!-- 注入SessionFactory -->
        <property name="sessionFactory" ref="sessionFactory"/>
    </bean>

    <!-- 配置事务增强 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 配置需要进行事务管理的方法，和事务传播行为 -->
            <tx:method name="add*"  propagation="REQUIRED"/>
                <tx:method name="create*" propagation="REQUIRED"/>
                <tx:method name="save*" propagation="REQUIRED"/>
                <tx:method name="edit*" propagation="REQUIRED"/>
                <tx:method name="update*" propagation="REQUIRED"/>
                <tx:method name="del*"  propagation="REQUIRED"/>
                <tx:method name="sel*"  propagation="SUPPORTS"/>
                <tx:method name="find*"  propagation="SUPPORTS"/>
        </tx:attributes>
    </tx:advice>

    <!-- 配置切面 -->
    <aop:config>
        <!-- 配置切入点
            * com.kaspar.service.*+.*(..)
                *：表示方法的作用域，*表示所有
                com.kaspar.service.*：表示org.ssh.service下的任何包
                com.kaspar.service.*+：表示org.ssh.service下的任何包及其子包
                *(..)：*表示任何方法，(..)表示方法的任何参数
         -->
        <aop:pointcut expression="execution(* com.kaspar.product.*service.*.*(..))" id="pointcut"/>
        <!-- 适配切入点和事务增强 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
    </aop:config>

</beans>

struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
    "http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>

    <!-- 默认访问页面 -->
    <package name="default" extends="struts-default" namespace="/">
        <default-action-ref name="default"/>
        <action name="default">
            <result>/WEB-INF/view/index.jsp</result>
        </action>
    </package>

    <!-- 商品相关请求转发 -->
    <!-- Struts2在2.5版本后添加strict-method-invocation(严格方法访问)，默认为true，不能使用动态方法调用功能，故需设为false -->
    <package name="product" extends="struts-default" namespace="/"  strict-method-invocation="false">
        <!-- 保存商品 -->
        <action name="product_*" class="productAction" method="{1}Product">
            <result>WEB-INF/view/index.jsp</result>
            <result name="input">WEB-INF/view/index.jsp</result>
        </action>
    </package>

    <!-- 引入资源文件 -->
    <constant name="struts.custom.i18n.resources" value="messageResource"></constant>

</struts>

jdbc.properties

jdbc.url=jdbc:mysql://127.0.0.1/ssh?useSSL=false&characterEncoding=UTF-8
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.username=root
jdbc.password=root

log4j.properties

log4j.rootCategory=INFO, console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %5p %t %c{2}:%L - %m%n

messageResource.properties

invalid.fieldvalue.price = \u5546\u54c1\u4ef7\u683c\u8f93\u5165\u683c\u5f0f\u6709\u8bef

demo项目结构图：

Product.java

package com.kaspar.product.model;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

import org.hibernate.annotations.GenericGenerator;

@Entity
public class Product {

    @Id
    @GeneratedValue(generator = "pid")
    @GenericGenerator(name = "pid", strategy = "native")
    private int pid;// 商品ID
    @Column(length = 100)
    private String pname;// 商品名称
    private double price;// 商品价格

    public int getPid() {
        return pid;
    }
    public void setPid(int pid) {
        this.pid = pid;
    }
    public String getPname() {
        return pname;
    }
    public void setPname(String pname) {
        this.pname = pname;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        this.price = price;
    }

    public Product() {

    }

    public Product(String pname, double price) {

        this.pname = pname;
        this.price = price;

    }

}

ProductAction.java

package com.kaspar.product.action;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.kaspar.product.model.Product;
import com.kaspar.product.service.ProductService;
import com.opensymphony.xwork2.ActionSupport;

/**
 * 商品操作-控制层
 *
 */
@Controller
@Scope("prototype")
public class ProductAction extends ActionSupport {

    private static final long serialVersionUID = 1L;

    @Autowired
    private ProductService productService;

    private String pname;
    private double price;

    /**
     * 保存商品操作
     *
     * @return
     */
    public String saveProduct() {

        Product product = new Product(pname, price);
        productService.saveProduct(product);

        this.addActionMessage("保存成功...");
        return SUCCESS;

    }

    public String getPname() {
        return pname;
    }

    public void setPname(String pname) {
        this.pname = pname;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    @Override
    public void validate() {

        if(pname == null || "".equals(pname.trim())) {
            this.addFieldError("pname", "商品名称不能为空");
        }

    }

}

ProductService.java

package com.kaspar.product.service;

import com.kaspar.product.model.Product;

/**
 * 商品操作-服务层接口
 *
 */

public interface ProductService {

    void saveProduct(Product product);

}

ProductServiceImpl.java

package com.kaspar.product.service.impl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.kaspar.product.dao.ProductDao;
import com.kaspar.product.model.Product;
import com.kaspar.product.service.ProductService;

@Transactional
@Service("ProductServiceImpl")
public class ProductServiceImpl implements ProductService {

    @Autowired
    private ProductDao productDao;

    @Override
    public void saveProduct(Product product) {

        productDao.saveProduct(product);

    }

}

ProductDao.java

package com.kaspar.product.dao;

import org.springframework.stereotype.Repository;

import com.kaspar.product.model.Product;

/**
 * 商品操作-持久层接口
 *
 */
@Repository
public interface ProductDao {

    void saveProduct(Product product);

}

ProductDaoImpl.java

package com.kaspar.product.dao.impl;

import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate5.HibernateTemplate;
import org.springframework.stereotype.Repository;

import com.kaspar.product.dao.ProductDao;
import com.kaspar.product.model.Product;

/**
 * 商品信息-服务层实现
 *
 */
@Repository("ProductDaoImpl")
public class ProductDaoImpl implements ProductDao {

    private HibernateTemplate template;

    @Autowired
    public ProductDaoImpl(SessionFactory sessionFactory) {

        template = new HibernateTemplate(sessionFactory);

    }

    @Override
    public void saveProduct(Product product) {

        template.save(product);

    }

}

运行效果图：

代码是撸的（哪里撸如果还记得我一定贴链），配置是到处拼的。 日常踩坑结束。

最后后提示一点，配置没有问题，如果自动建表没有成功可以给表换一个名字试试。