目录导航
[TOC]
<!-- DB start -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
<scope>runtime</scope>
</dependency>
<!-- DB end -->
<!-- commons start -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- commons end -->
<!-- MyBatis start -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.1.1</version>
</dependency>
<!-- MyBatis整合Spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<!-- MyBatis end -->
<!-- springframework mvc start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.2.8.RELEASE</version>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.2.8.RELEASE</version>
</dependency>
<!-- springframework end -->
<!-- log start -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.21</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.21</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- long end -->
```
CREATE TABLE `T_USER` (
`UID` int(5) unsigned NOT NULL AUTO_INCREMENT COMMENT '唯一标示ID',
`NAME` varchar(20) NOT NULL DEFAULT '' COMMENT '账户名',
`PWD` varchar(20) NOT NULL DEFAULT '' COMMENT '密码',
`EMAIL` varchar(20) DEFAULT NULL COMMENT '电子邮箱',
`STATUS` char(1) DEFAULT NULL COMMENT '状态',
PRIMARY KEY (`UID`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
```
package com.mipo.dto;
public class User {
private Integer uid;
private String name;
private String pwd;
// getter/setter
}
```
<?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.mipo.dto.UserMapper">
<!-- 查询单条纪录 -->
<select id="selectUser" parameterType="Integer" resultType="com.mipo.dto.User">
SELECT T.UID, T.NAME, T.PWD FROM T_USER T WHERE T.UID = #{uid}
</select>
<!-- 新增 -->
<insert id="createUser" parameterType="com.mipo.dto.User" >
INSERT INTO T_USER(UID, NAME, PWD) VALUES(#{uid}, #{name}, #{pwd})
</insert>
<!-- 修改 -->
<update id="modifyUser" parameterType="com.mipo.dto.User">
UPDATE T_USER T SET T.NAME = #{name} WHERE T.UID = #{uid}
</update>
<!-- 删除 -->
<delete id="removeUser" parameterType="Integer">
DELETE FROM T_USER WHERE UID = #{uid}
</delete>
<!-- 查询所有 -->
<select id="queryAllUsers" resultType="com.mipo.dto.User">
SELECT T.UID, T.NAME FROM T_USER T
</select>
</mapper>
```
<?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>
<mappers>
<!-- 配置映射文件 -->
<mapper resource="com/mipo/dto/UserMapper.xml"/>
</mappers>
</configuration>
```
```java
import java.util.List;
import com.mipo.dto.User;
public interface UserDao {
/**
* 保存用户信息
*
* @param user
*/
void saveUser(User user);
/**
* 修改用户信息
*
* @param user
*/
void modifyUser(User user);
/**
* 删除用户信息
*
* @param user
*/
void removeUser(User user);
/**
* 获取单个用户信息
*
* @param uid
* @return
*/
User getUser(Integer uid);
/**
* 查询所有用户信息
*
* @return
*/
List<User> queryAllUser();
}
```
import java.util.List;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.support.SqlSessionDaoSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.mipo.dao.UserDao;
import com.mipo.dto.User;
@Repository("userDAO")
public class UserDaoImpl extends SqlSessionDaoSupport implements UserDao {
@Override
public void saveUser(User user) {
// TODO
}
@Override
public void modifyUser(User user) {
// TODO
}
@Override
public void removeUser(User user) {
// TODO
}
@Override
public User getUser(Integer uid) {
return this.getSqlSession().selectOne("com.mipo.dto.UserMapper.selectUser", uid);
}
@Override
public List<User> queryAllUser() {
// TODO
return null;
}
@Autowired
public void setSqlSessionFactory_(SqlSessionFactory sqlSessionFactory) {
setSqlSessionFactory(sqlSessionFactory);
}
}
```
import java.util.List;
import com.mipo.dto.User;
public interface UserService {
/**
* 保存用户信息
*
* @param user
*/
void saveUser(User user);
/**
* 修改用户信息
*
* @param user
*/
void modifyUser(User user);
/**
* 删除用户信息
*
* @param uid
*/
void removeUser(User user);
/**
* 获取单个用户信息
*
* @param uid
* @return
*/
User getUser(Integer uid);
/**
* 查询所有用户信息
*
* @return
*/
List<User> queryAllUser();
}
```
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.mipo.dao.UserDao;
import com.mipo.dto.User;
import com.mipo.service.UserService;
@Service("userService")
@Transactional(readOnly = true)
public class UserServiceImpl implements UserService {
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void saveUser(User user) {
this.userDao.saveUser(user);
}
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void modifyUser(User user) {
this.userDao.modifyUser(user);
}
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void removeUser(User user) {
this.userDao.removeUser(user);
}
@Override
public User getUser(Integer uid) {
return this.userDao.getUser(uid);
}
@Override
public List<User> queryAllUser() {
return this.userDao.queryAllUser();
}
@Autowired
private UserDao userDao;
}
```
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/scm?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root123
```
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">
<!-- 读取属性资源文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 定义数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<!-- 配置SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:mybatis-config.xml" />
</bean>
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 组件扫描 -->
<context:component-scan base-package="com.mipo">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
<context:include-filter type="annotation" expression="org.springframework.stereotype.Service"/>
</context:component-scan>
</beans>
```
<?xml version="1.0" encoding="UTF-8"?>
<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_2_5.xsd" version="2.5">
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:applicationContext.xml
</param-value>
</context-param>
<!-- 前端控制器 -->
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
```
## 9.2配置 _dispatcher-servlet.xml_
```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:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">
<!-- 注册组件 -->
<mvc:annotation-driven />
<context:component-scan base-package="com.mipo.controller">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
```
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.mipo.service.UserService;
@Controller("userController")
public class UserController {
@RequestMapping(path = { "/get" })
public String execute(Integer uid, Model model) {
model.addAttribute("user", this.userService.getUser(uid));
return "success";
}
@Autowired
private UserService userService;
}
```
# 10.测试
<http://localhost:8080/demo/get?uid=1>
[TOC]
# 1.使用Maven构建web工程
```xml<!-- DB start -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
<scope>runtime</scope>
</dependency>
<!-- DB end -->
<!-- commons start -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- commons end -->
<!-- MyBatis start -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.1.1</version>
</dependency>
<!-- MyBatis整合Spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<!-- MyBatis end -->
<!-- springframework mvc start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.2.8.RELEASE</version>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.2.8.RELEASE</version>
</dependency>
<!-- springframework end -->
<!-- log start -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.21</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.21</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- long end -->
```
# 2.创建数据库、表
```sqlCREATE TABLE `T_USER` (
`UID` int(5) unsigned NOT NULL AUTO_INCREMENT COMMENT '唯一标示ID',
`NAME` varchar(20) NOT NULL DEFAULT '' COMMENT '账户名',
`PWD` varchar(20) NOT NULL DEFAULT '' COMMENT '密码',
`EMAIL` varchar(20) DEFAULT NULL COMMENT '电子邮箱',
`STATUS` char(1) DEFAULT NULL COMMENT '状态',
PRIMARY KEY (`UID`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
```
# 3.编写实体Bean _User.java_
```javapackage com.mipo.dto;
public class User {
private Integer uid;
private String name;
private String pwd;
// getter/setter
}
```
# 4.编写持久层
## 4.1编写映射文件 _UserMapper.xml_
```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.mipo.dto.UserMapper">
<!-- 查询单条纪录 -->
<select id="selectUser" parameterType="Integer" resultType="com.mipo.dto.User">
SELECT T.UID, T.NAME, T.PWD FROM T_USER T WHERE T.UID = #{uid}
</select>
<!-- 新增 -->
<insert id="createUser" parameterType="com.mipo.dto.User" >
INSERT INTO T_USER(UID, NAME, PWD) VALUES(#{uid}, #{name}, #{pwd})
</insert>
<!-- 修改 -->
<update id="modifyUser" parameterType="com.mipo.dto.User">
UPDATE T_USER T SET T.NAME = #{name} WHERE T.UID = #{uid}
</update>
<!-- 删除 -->
<delete id="removeUser" parameterType="Integer">
DELETE FROM T_USER WHERE UID = #{uid}
</delete>
<!-- 查询所有 -->
<select id="queryAllUsers" resultType="com.mipo.dto.User">
SELECT T.UID, T.NAME FROM T_USER T
</select>
</mapper>
```
## 4.2编写核心配置文件 _mybatis-config.xml_
```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>
<mappers>
<!-- 配置映射文件 -->
<mapper resource="com/mipo/dto/UserMapper.xml"/>
</mappers>
</configuration>
```
## 4.3编写DAO
### 4.3.1DAO接口 _UserDao.java_```java
import java.util.List;
import com.mipo.dto.User;
public interface UserDao {
/**
* 保存用户信息
*
* @param user
*/
void saveUser(User user);
/**
* 修改用户信息
*
* @param user
*/
void modifyUser(User user);
/**
* 删除用户信息
*
* @param user
*/
void removeUser(User user);
/**
* 获取单个用户信息
*
* @param uid
* @return
*/
User getUser(Integer uid);
/**
* 查询所有用户信息
*
* @return
*/
List<User> queryAllUser();
}
```
### 4.3.2DAO实现类 _UserDaoImpl.java_
```javaimport java.util.List;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.support.SqlSessionDaoSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.mipo.dao.UserDao;
import com.mipo.dto.User;
@Repository("userDAO")
public class UserDaoImpl extends SqlSessionDaoSupport implements UserDao {
@Override
public void saveUser(User user) {
// TODO
}
@Override
public void modifyUser(User user) {
// TODO
}
@Override
public void removeUser(User user) {
// TODO
}
@Override
public User getUser(Integer uid) {
return this.getSqlSession().selectOne("com.mipo.dto.UserMapper.selectUser", uid);
}
@Override
public List<User> queryAllUser() {
// TODO
return null;
}
@Autowired
public void setSqlSessionFactory_(SqlSessionFactory sqlSessionFactory) {
setSqlSessionFactory(sqlSessionFactory);
}
}
```
# 5编写Service
## 5.1编写Service接口 _UserService.java_
```javaimport java.util.List;
import com.mipo.dto.User;
public interface UserService {
/**
* 保存用户信息
*
* @param user
*/
void saveUser(User user);
/**
* 修改用户信息
*
* @param user
*/
void modifyUser(User user);
/**
* 删除用户信息
*
* @param uid
*/
void removeUser(User user);
/**
* 获取单个用户信息
*
* @param uid
* @return
*/
User getUser(Integer uid);
/**
* 查询所有用户信息
*
* @return
*/
List<User> queryAllUser();
}
```
## 5.2编写Service实现类 _UserServiceImpl.java_
```javaimport java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.mipo.dao.UserDao;
import com.mipo.dto.User;
import com.mipo.service.UserService;
@Service("userService")
@Transactional(readOnly = true)
public class UserServiceImpl implements UserService {
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void saveUser(User user) {
this.userDao.saveUser(user);
}
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void modifyUser(User user) {
this.userDao.modifyUser(user);
}
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void removeUser(User user) {
this.userDao.removeUser(user);
}
@Override
public User getUser(Integer uid) {
return this.userDao.getUser(uid);
}
@Override
public List<User> queryAllUser() {
return this.userDao.queryAllUser();
}
@Autowired
private UserDao userDao;
}
```
# 6.数据库属性文件 _db.proerties_
```propertiesjdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/scm?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root123
```
# 7.Spring上下文配置 _applicationContext.xml_
```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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">
<!-- 读取属性资源文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 定义数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<!-- 配置SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:mybatis-config.xml" />
</bean>
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 组件扫描 -->
<context:component-scan base-package="com.mipo">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
<context:include-filter type="annotation" expression="org.springframework.stereotype.Service"/>
</context:component-scan>
</beans>
```
# 8.编写测试类,测试Service
# 9.控制层
## 9.1配置 _web.xml_
```xml<?xml version="1.0" encoding="UTF-8"?>
<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_2_5.xsd" version="2.5">
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:applicationContext.xml
</param-value>
</context-param>
<!-- 前端控制器 -->
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
```
## 9.2配置 _dispatcher-servlet.xml_
```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:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">
<!-- 注册组件 -->
<mvc:annotation-driven />
<context:component-scan base-package="com.mipo.controller">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
```
## 9.3控制器 _UserController.java_
```javaimport org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.mipo.service.UserService;
@Controller("userController")
public class UserController {
@RequestMapping(path = { "/get" })
public String execute(Integer uid, Model model) {
model.addAttribute("user", this.userService.getUser(uid));
return "success";
}
@Autowired
private UserService userService;
}
```
# 10.测试
<http://localhost:8080/demo/get?uid=1>
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