Spring-SpringMVC-Mybatis整合

项目截图

项目所需要的包

项目的配置文件

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>json_test</display-name>

<welcome-file-list>

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

</welcome-file-list>

<!-- 加载所有的配置文件 -->

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath*:spring-*.xml</param-value>

</context-param>

<!-- 配置Spring监听 -->

<listener>

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

</listener>

<!-- 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>

<param-value>WEB-INF/classes/spring-mvc.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>

<!-- 配置字符集 -->

<filter>

<filter-name>encodingFilter</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>encodingFilter</filter-name>

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

</filter-mapping>

</web-app>

spring-common.xml

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"

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

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

<!--配置数据源 -->

<!-- 配置数据源 -->

<bean id="jdbcDataSource"

class="org.springframework.jdbc.datasource.DriverManagerDataSource">

<property name="driverClassName">

<value>org.gjt.mm.mysql.Driver</value>

</property>

<property name="url">

<value>jdbc:mysql://localhost:3306/test?useUnicode=true&amp;characterEncoding=UTF-8

</value>

</property>

<property name="username">

<value>root</value>

</property>

<property name="password">

<value>root</value>

</property>

</bean>

<!--配置SqlSessionFactory -->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="jdbcDataSource" />

<property name="typeAliasesPackage" value="com.iss.model"></property>

<property name="configLocation" value="classpath:mybatis-config.xml"></property>

</bean>

<!-- MappperScannerConfigure:扫描特定的包自动创建成批地映射器。 -->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

<property name="basePackage" value="com.iss.mapper"></property>

<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>

</bean>

<bean id="transactionManager"

class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="jdbcDataSource" />

</bean>

<!--配置事务处理策略，transaction-manager属性指定事务管理器。 若事务管理器bean的id即为transactionManager，则

transaction-manager的属性可以不指定 -->

<tx:advice id="txAdvice" transaction-manager="transactionManager">

<tx:attributes>

<!--所有以find开头的方法都是只读的 -->

<tx:method name="get*" read-only="true" />

<tx:method name="add*" />

<!--其他方法使用默认事务策略 -->

<tx:method name="*" />

</tx:attributes>

</tx:advice>

<!-- AOP配置 -->

<aop:config>

<!--pointcut元素定义一个切入点，execution中的第一个星号 用以匹配方法的返回类型，这里星号表明匹配所有返回类型。 com.abc.dao.*.*(..)表明匹配com.abc.dao包下的所有类的所有

方法 -->

<aop:pointcut id="myPointcut" expression="execution(* com.iss.dao.*.*(..))" />

<!--将定义好的事务处理策略应用到上述的切入点 -->

<aop:advisor advice-ref="txAdvice" pointcut-ref="myPointcut" />

</aop:config>

</beans>

spring-mvc.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.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">

<!-- 注解扫描包 -->

<context:component-scan base-package="com.iss" />

<!-- 开启注解 -->

<mvc:annotation-driven />

<!-- 静态资源(js/image)的访问 -->

<mvc:resources location="/js/" mapping="/js/**" />

<!-- 定义视图解析器 -->

<bean id="viewResolver"

class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix" value="/"></property>

<property name="suffix" value=".jsp"></property>

</bean>

</beans>

mybatis-config.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>

<!-- 把数据源交给Spring管理 -->

<!-- <mappers>

<mapper resource="com/iss/dao/UserMapper.xml" />

</mappers> -->

</configuration>

User.java

package com.iss.model;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.GenerationType;

import javax.persistence.Id;

import javax.persistence.Table;

/**

* @author dell

*

*/

@Entity

@Table(name = "user")

public class User {

private int id;

private String name;

@Id

@GeneratedValue(strategy = GenerationType.AUTO)

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

}

UserMapper.java

package com.iss.mapper;

import java.util.List;

import com.iss.model.User;

public interface UserMapper {

public List<User> getAllUsers();

}

UserMapper.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.iss.mapper.UserMapper">

<resultMap type="User" id="simpleUserResultMap">

<id property="id" column="id" />

<result property="name" column="name" />

</resultMap>

<select id="getAllUsers" resultMap="simpleUserResultMap">

select * from user;

</select>

</mapper>

UserDao.java

package com.iss.dao;

import java.util.List;

import com.iss.model.User;

public interface UserDao {

public List<User> getAllUsers();

}

UserDaoImpl.java

package com.iss.dao.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Repository;

import com.iss.dao.UserDao;

import com.iss.mapper.UserMapper;

import com.iss.model.User;

@Repository

public class UserDaoImpl implements UserDao {

@Autowired

private UserMapper userMapper;

public List<User> getAllUsers() {

List<User> users = userMapper.getAllUsers();

return users;

}

}

UserService.java

package com.iss.service;

import java.util.List;

import com.iss.model.User;

public interface UserService {

public List<User> getAllUsers();

}

UserServiceImpl.java

package com.iss.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import com.iss.dao.UserDao;

import com.iss.model.User;

import com.iss.service.UserService;

@Service("UserService")

public class UserServiceImpl implements UserService {

private UserDao userDao;

@Autowired

public void setUserDao(UserDao userDao) {

this.userDao = userDao;

}

public List<User> getAllUsers() {

// TODO Auto-generated method stub

return userDao.getAllUsers();

}

}

UserController.java

package com.iss.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.ui.ModelMap;

import org.springframework.web.bind.annotation.RequestMapping;

import com.iss.model.User;

import com.iss.service.UserService;

@Controller

@RequestMapping("/user")

public class UserController {

private UserService userService;

@Autowired

public void setUserService(UserService userService) {

this.userService = userService;

}

@RequestMapping("/getAllUser")

public String getAllUsers(ModelMap modelMap) {

List<User> userList = userService.getAllUsers();

modelMap.addAttribute("userList", userList);

return "index";

}

}

index.jsp

<table border="1">

<tbody>

<tr>

<th>姓名</th>

<th>年龄</th>

<th>操作</th>

</tr>

<c:if test="${!empty userList }">

<c:forEach items="${userList }" var="user">

<tr id="tr${user.id }">

<td>${user.id }</td>

<td>${user.name}</td>

</tr>

</c:forEach>

</c:if>

</tbody>

</table>

完成之后将项目部署到tomcat输入路径即可访问index,jsp页面 博主是初学又不懂之处可以多多交流！

部署路径:http://localhost:8080/projectName/user/getAllUser/

时间： 2025-01-17 16:15:50

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