Spirng+SpringMVC+Maven+Mybatis+MySQL项目搭建

摘要

这篇文章主要讲解使用eclipse对Spirng+SpringMVC+Maven+Mybatis+MySQL项目搭建过程，包括里面步骤和里面的配置文件如何配置等等都会详细说明

这篇文章主要讲解使用eclipse对Spirng+SpringMVC+Maven+Mybatis+MySQL项目搭建过程，包括里面步骤和里面的配置文件如何配置等等都会详细说明。

如果还没有搭建好环境（主要是Maven+MySQL的配置）的猿友可以参考博主以前的一篇文章： 
http://blog.csdn.net/u013142781/article/details/50300233

接下来马上进入项目搭建过程：

1、创建表，并插入数据：

CREATE TABLE `t_user` (  `USER_ID` int(11) NOT NULL AUTO_INCREMENT,  `USER_NAME` char(30) NOT NULL,  `USER_PASSWORD` char(10) NOT NULL,  PRIMARY KEY (`USER_ID`),  KEY `IDX_NAME` (`USER_NAME`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf812345671234567
INSERT INTO t_user (USER_ID, USER_NAME, USER_PASSWORD) VALUES (1, 'luoguohui', '123456');INSERT INTO t_user (USER_ID, USER_NAME, USER_PASSWORD) VALUES (2, 'zhangsan', '123456');123123

2、Maven工程创建

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3、选择快速框架

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4、输出项目名，包（Packaging，如果只是普通的项目，选jar就好了，如果是web项目就选war，这里是web项目，所以选择war）

这里写图片描述

5、创建好的目录如下：

这里写图片描述

6、添加包的依赖，编辑pom.xml文件添加如下依赖：

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.luo</groupId>
  <artifactId>first_maven_project</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
        <!-- spring版本号 -->
        <spring.version>3.2.8.RELEASE</spring.version>
        <!-- log4j日志文件管理包版本 -->
        <slf4j.version>1.6.6</slf4j.version>
        <log4j.version>1.2.12</log4j.version>
        <!-- junit版本号 -->
        <junit.version>4.10</junit.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.2.1</mybatis.version>
  </properties>

  <dependencies>
        <!-- 添加Spring依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--单元测试依赖 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

        <!-- 日志文件管理包 -->
        <!-- log start -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->

        <!--spring单元测试依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <!--mybatis依赖 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <!-- mybatis/spring包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.0</version>
        </dependency>

        <!-- mysql驱动包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.29</version>
        </dependency>
    </dependencies></project>123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125

7、配置文件：

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7.1、mybatis包下添加mybatis-config.xml文件（mybatis配置文件）：

<?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>    </configuration>1234512345

7.2、properties包下添加jdbc.properties文件（数据源配置文件）：

jdbc_driverClassName=com.mysql.jdbc.Driverjdbc_url=jdbc:mysql://localhost:3306/luojdbc_username=rootjdbc_password=root12341234

7.3、mapper包下userMapper.xml配置文件（表映射文件）：

<?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.luo.dao.UserDao"><!--设置domain类和数据库中表的字段一一对应，注意数据库字段和domain类中的字段名称不致，此处一定要！-->
    <resultMap id="BaseResultMap" type="com.luo.domain.User">
        <id column="USER_ID" property="userId" jdbcType="INTEGER" />
        <result column="USER_NAME" property="userName" jdbcType="CHAR" />
        <result column="USER_PASSWORD" property="userPassword" jdbcType="CHAR" />
    </resultMap>
    <!-- 查询单条记录 -->
    <select id="selectUserById" parameterType="int" resultMap="BaseResultMap">
        SELECT * FROM t_user WHERE USER_ID = #{userId}    </select></mapper>123456789101112131415123456789101112131415

7.4、spring配置文件application.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:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="  
           http://www.springframework.org/schema/beans  
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
           http://www.springframework.org/schema/aop  
           http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
           http://www.springframework.org/schema/context  
           http://www.springframework.org/schema/context/spring-context-3.0.xsd">

     <!-- 引入jdbc配置文件 -->  
     <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
               <value>classpath:properties/*.properties</value>
                <!--要是有多个配置文件，只需在这里继续添加即可 -->
            </list>
        </property>
    </bean>



    <!-- 配置数据源 -->
    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <!-- 不使用properties来配置 -->
        <!-- <property name="driverClassName" value="com.mysql.jdbc.Driver" /> 
            <property name="url" value="jdbc:mysql://localhost:3306/learning" /> 
            <property name="username" value="root" /> 
            <property name="password" value="christmas258@" /> -->
       <!-- 使用properties来配置 -->
        <property name="driverClassName">
            <value>${jdbc_driverClassName}</value>
        </property>
        <property name="url">
            <value>${jdbc_url}</value>
        </property>
        <property name="username">
            <value>${jdbc_username}</value>
        </property>
        <property name="password">
            <value>${jdbc_password}</value>
        </property>
    </bean>

    <!-- 自动扫描了所有的XxxxMapper.xml对应的mapper接口文件，这样就不用一个一个手动配置Mpper的映射了，只要Mapper接口类和Mapper映射文件对应起来就可以了。 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage"
            value="com.luo.dao" />
    </bean>

    <!-- 配置Mybatis的文件 ，mapperLocations配置**Mapper.xml文件位置，configLocation配置mybatis-config文件位置-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>  
        <property name="configLocation" value="classpath:mybatis/mybatis-config.xml" />
        <!-- <property name="typeAliasesPackage" value="com.tiantian.ckeditor.model" 
            /> -->
    </bean>

    <!-- 自动扫描注解的bean -->
    <context:component-scan base-package="com.luo.service" /></beans>1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666712345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667

8、接口和类的配置：

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8.1、com.luo.domain下添加User.Java文件：

package com.luo.domain;public class User {    private Integer userId;  
    private String userName;  
    private String userPassword;  


    public Integer getUserId() {  
        return userId;  
    }  

    public void setUserId(Integer 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;  
    }  

}12345678910111213141516171819202122232425262728293031323334351234567891011121314151617181920212223242526272829303132333435

8.2、com.luo.dao下添加UserDao.java文件：

package com.luo.dao;import com.luo.domain.User;public interface UserDao {

    /**
     * @param userId
     * @return User
     */
    public User selectUserById(Integer userId);  

}12345678910111213141234567891011121314

8.3、com.luo.service下添加UserService.java接口和UserServiceImpl实现类：

package com.luo.service;import com.luo.domain.User;public interface UserService {
    User selectUserById(Integer userId);  }1234567812345678
package com.luo.service;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.luo.dao.UserDao;import com.luo.domain.User;@Service  public class UserServiceImpl implements UserService {

    @Autowired  
    private UserDao userDao;  

    public User selectUserById(Integer userId) {  
        return userDao.selectUserById(userId);  

    }  
}1234567891011121314151617181912345678910111213141516171819

9、单元测试

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9.1、com.luo.baseTest下添加SpringTestCase.java：

package com.luo.baseTest;import org.junit.runner.RunWith;  
import org.springframework.test.context.ContextConfiguration;  
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;  
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;  

//指定bean注入的配置文件  @ContextConfiguration(locations = { "classpath:application.xml" })  
//使用标准的JUnit @RunWith注释来告诉JUnit使用Spring TestRunner  @RunWith(SpringJUnit4ClassRunner.class)  
public class SpringTestCase extends AbstractJUnit4SpringContextTests {}123456789101112131415123456789101112131415

9.2、com.luo.service添加UserServiceTest.java：

package com.luo.service;import org.junit.Test;  
import org.springframework.beans.factory.annotation.Autowired;  
import com.luo.baseTest.SpringTestCase;  
import com.luo.domain.User;public class UserServiceTest extends SpringTestCase {

    @Autowired  
    private UserService userService; 

    @Test  
    public void selectUserByIdTest(){  
        User user = userService.selectUserById(1);  
        System.out.println(user.getUserName() + ":" + user.getUserPassword());
    }  
}1234567891011121314151617181912345678910111213141516171819

9.3、运行单元测试，UserServiceTest右键Run As –>Junit Test，运行结果：

这里写图片描述

下面加入springmvc，并转换maven工程为web项目

10、转换成web项目：

如果上面webapp为空的，说明这个项目还不是web项目：

这里写图片描述

接下来打开如下页面。将红框里面的勾去掉，确定（OK）：

这里写图片描述

然后重新打开刚刚那个页面，把Dynamic web Module勾上，就会看到红框的内容，点击：

这里写图片描述

然后配置如下：

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那么webapp下就会生成这些东西：

这里写图片描述

11、配置springmvc

11.1、pom.xml文件添加依赖，修改后配置如下：

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.luo</groupId>
  <artifactId>first_maven_project</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
        <!-- spring版本号 -->
        <spring.version>3.2.8.RELEASE</spring.version>
        <!-- junit版本号 -->
        <junit.version>4.10</junit.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.2.1</mybatis.version>
  </properties>

  <dependencies>
        <!-- 添加Spring依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--单元测试依赖 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

        <!--spring单元测试依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <!--mybatis依赖 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <!-- mybatis/spring包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.0</version>
        </dependency>

        <!-- mysql驱动包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.29</version>
        </dependency>

        <!-- javaee-api包 注意和项目使用的JDK版本对应 -->  
        <dependency>  
            <groupId>javax</groupId>  
            <artifactId>javaee-api</artifactId>  
            <version>6.0</version>  
            <scope>provided</scope>  
        </dependency>  

        <!-- javaee-web-api包 注意和项目使用的JDK版本对应 -->  
        <dependency>  
            <groupId>javax</groupId>  
            <artifactId>javaee-web-api</artifactId>  
            <version>6.0</version>  
            <scope>provided</scope>  
        </dependency>  

    </dependencies></project>123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120

其实也就增加了下面两个

<!-- javaee-api包 注意和项目使用的JDK版本对应 --><dependency>
    <groupId>javax</groupId>
    <artifactId>javaee-api</artifactId>
    <version>6.0</version>
    <scope>provided</scope></dependency><!-- javaee-web-api包 注意和项目使用的JDK版本对应 --><dependency>
    <groupId>javax</groupId>
    <artifactId>javaee-web-api</artifactId>
    <version>6.0</version>
    <scope>provided</scope></dependency>123456789101112131415123456789101112131415

11.2、在src/main/resource中添加springmvc文件夹，然后添加文件spring-mvc.xml，内容如下：

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:p="http://www.springframework.org/schema/p"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemaLocation="
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-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/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

   <mvc:annotation-driven /> 
   <!-- 扫描controller（controller层注入） -->
   <context:component-scan base-package="com.luo.controller"/>  

   <!-- 对模型视图添加前后缀 -->
   <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"
      p:prefix="/WEB-INF/view/" p:suffix=".jsp"/></beans>1234567891011121314151617181920212212345678910111213141516171819202122

11.3、配置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>Archetype Created Web Application</display-name>
   <!-- 起始欢迎界面 -->
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <!-- 读取spring配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:application.xml</param-value>
    </context-param>
    <!-- 设计路径变量值 -->
    <context-param>
        <param-name>webAppRootKey</param-name>
        <param-value>springmvc.root</param-value>
    </context-param>


    <!-- Spring字符集过滤器 -->
    <filter>
        <filter-name>SpringEncodingFilter</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>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>SpringEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

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

    <!-- springMVC核心配置 -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!--spingMVC的配置路径  -->
            <param-value>classpath:springmvc/spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <!-- 拦截设置 -->
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 错误跳转页面 -->
    <error-page>
        <!-- 路径不正确 -->
        <error-code>404</error-code>
        <location>/WEB-INF/errorpage/404.jsp</location>
    </error-page>
    <error-page>
        <!-- 没有访问权限，访问被禁止 -->
        <error-code>405</error-code>
        <location>/WEB-INF/errorpage/405.jsp</location>
    </error-page>
    <error-page>
        <!-- 内部错误 -->
        <error-code>500</error-code>
        <location>/WEB-INF/errorpage/500.jsp</location>
    </error-page></web-app>1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787912345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879

11.4、添加index.jsp，在src/main/webapp/WEB-INF下新建一个文件夹view,添加一个index.jsp，内容如下：

这里写图片描述

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><html><body><h2>Hello World!</h2>用户名： ${user.userName}<br>
 密码：${user.userPassword}<br></body></html>1234567812345678

11.5、写controller

这里写图片描述

在src/main/java下新建一个包com.luo.controller.然后新建一个类UserController.java,其内容如下

package com.luo.controller;import javax.annotation.Resource;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.servlet.ModelAndView;import com.luo.domain.User;import com.luo.service.UserService;@Controller  
public class UserController {  

    @Resource  
    private UserService userService;  

    @RequestMapping("/")    
    public ModelAndView getIndex(){      
        ModelAndView mav = new ModelAndView("index");   
        User user = userService.selectUserById(1);  
        mav.addObject("user", user);   
        return mav;    
    }    
}  
123456789101112131415161718192021222324123456789101112131415161718192021222324

11.6 运行！！！！完成！

这里写图片描述

12、源码下载

http://download.csdn.net/detail/u013142781/9376381

13、可能会遇到的错

之前有个兄弟按照我的配置，但是发现pom.xml文件报如下错误：

Cannot detect Web Project version. Please specify version of Web Project through <version> configuration property of war plugin. E.g.: <plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <version>3.0<ersion> </configuration> </plugin>11

解决方案是，如下的三个地方jdk版本需要保持一致：

1、项目右键->属性->Java Compiler：

这里写图片描述

2、项目右键->属性->Project Facets：

这里写图片描述

3、如果pom.xml配置了如下的插件的话：

<build>
 <plugins>
    <plugin>
      <artifactId>maven-compiler-plugin</artifactId>
      <configuration>
        <source>1.7</source>
        <target>1.7</target>
      </configuration>
    </plugin>
    <plugin>
      <artifactId>maven-war-plugin</artifactId>
      <version>2.4</version>
      <configuration>
        <version>3.0</version>
      </configuration>
    </plugin>
  </plugins>
  <finalName>webserver</finalName></build>1234567891011121314151617181912345678910111213141516171819

这里也要跟上面两个保持一致：

这里写图片描述


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