1、配置web.xml文件
<?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"
version="2.5">
<display-name></display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 加载spring容器 -->
<listener>
<display-name>Spring</display-name>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 配置spring -->
<context-param>
<description>Spring</description>
<param-name>contextConfigLocation</param-name>
<!-- 根据自己文件路径配置 -->
<param-value>classpath:spring/applicationContext.xml</param-value>
</context-param>
<!-- 配置springmvc -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!-- 根据自己文件路径配置 -->
<param-value>classpath:springmvc/springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 解决工程编码过滤器 -->
<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>
</web-app>
2、配置springmvc.xml配置文件
<?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-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">
<!-- 配置Spring MVC注解驱动 -->
<mvc:annotation-driven/>
<!-- 自动扫描Controller和Service -->
<!-- 根据自己类文件包名称配置 -->
<context:component-scan base-package="com.weibo.controller,com.weibo.service" />
<!-- 配置静态资源，用以加载html，css，js，图片文件 -->
<mvc:default-servlet-handler />
<!-- 配置一个springmvc框架的视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 通过setter方法注入前缀 -->
<property name="prefix" value="/html/" />
<!-- 通过setter方法注入后缀 -->
<property name="suffix" value=".html" />
</bean>
<!-- 支持文件上传
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
</bean>
-->
</beans>
3、配置applicationContext.xml文件
<?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"
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-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
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">
<!-- 分解配置 jdbc.properites -->
<context:property-placeholder location="classpath:jdbc/jdbc.properties" />
<!-- 数据源c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClassName}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="maxPoolSize" value="${c3p0.pool.size.max}" />
<property name="minPoolSize" value="${c3p0.pool.size.min}" />
<property name="initialPoolSize" value="${c3p0.pool.size.ini}" />
<property name="acquireIncrement" value="${c3p0.pool.size.increment}" />
</bean>
<!-- sessionFactory 将spring和mybatis整合 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml" />
<property name="mapperLocations" value="classpath:mapper/*.xml" /> <!-- 加载mapper文件 -->
</bean>
<!-- mapper接口不能直接被注入到Spring当中，因此在此处进行扫描注入 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.weibo.mapper"></property>
</bean>
<!-- 事务 -->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="select*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="find" read-only="true" />
<tx:method name="get" read-only="true" />
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<!-- 面向切面编程 -->
<aop:config>
<aop:pointcut expression="execution(* service.*.*(..))" id="pointCut" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointCut" />
</aop:config>
</beans>
4、配置mybatis的sqlMapConfig.xml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>
<!-- 定义别名 -->
<typeAliases>
<typeAlias type="com.weibo.model.User" alias="User"/>
</typeAliases>
<!-- 这里不需要再注册mybatis的SQL映射文件 ，因为在Spring的配置文件中配置sqlSessionFactory时注册了mapper的路径-->
</configuration>
5、定义数据库连接文件jdbc.properties
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?characterEncoding=utf-8
jdbc.username=root
jdbc.password=123
c3p0.pool.size.max=20
c3p0.pool.size.min=5
c3p0.pool.size.ini=3
c3p0.pool.size.increment=2
6、定义mapper文件User.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">
<!-- 命名空间 -->
<mapper namespace="com.weibo.mapper.UserMapper">
<select id="login" parameterType="User" resultType="User">
select id from t_user where username = #{username} and password = #{password}
</select>
</mapper>
7、测试
@Controller
@RequestMapping("/user/")
public class UserController {
@Autowired
private UserService userService ;
/**
* 用户登录接口
* @param user
* @return
*/
@RequestMapping(value="login",method=RequestMethod.POST)
@ResponseBody
public Json login(User user){
Json json = new Json() ;
try{
User userResult = userService.login(user) ;
if(userResult!=null){
json.setBool(true) ;
json.setMsg("登陆成功") ;
}else{
json.setBool(false) ;
json.setMsg("用户名或密码错误") ;
}
}catch(Exception e){
e.printStackTrace();
}
return json ;
}
}
@Service
public class UserService {
@Autowired
private UserMapper userDao ;
public User login(User user)throws Exception{
return userDao.login(user) ;
}
}
public interface UserMapper{
public User login(User user)throws Exception ;
}
public class User {
private Integer id ;
private String username ; //用户名称
private String password ; //用户密码
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}