Spring+SpringMVC+Mybatis框架搭建

一、项目结构及所需jar包

1.1、项目结构

 

1.2依赖jar包（含json-lib、 log4j、Junit）

 

二、配置文件

 2.1、web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> <display-name>SSM</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:com/lcy/config/applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:com/lcy/config/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> </web-app>

2.2、springmvc.xml配置

<?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:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		http://www.springframework.org/schema/aop 
		http://www.springframework.org/schema/aop/spring-aop-4.0.xsd 
		http://www.springframework.org/schema/tx 
		http://www.springframework.org/schema/tx/spring-tx-4.0.xsd ">
	<context:component-scan base-package="com" />
	<mvc:annotation-driven>
		<!-- 消息转换器 -->
		<!-- 解决@ResponseBody中文乱码 -->
		<mvc:message-converters register-defaults="true">
			<bean class="org.springframework.http.converter.StringHttpMessageConverter">
				<property name="supportedMediaTypes" value="text/html;charset=UTF-8" />
			</bean>
		</mvc:message-converters>
	</mvc:annotation-driven>
	<bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver" />
</beans>

2.3、applicationContext.xml配置

2.3.1、applicationContext.xml配置

<?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:p="http://www.springframework.org/schema/p"
    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-4.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
        <!-- 引入其他配置文件 -->
        <import resource="classpath:com/lcy/config/applicationContext-*"/>
</beans>

2.3.2、applicationContext-bean.xml配置

<?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:p="http://www.springframework.org/schema/p"
    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-4.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
    <!-- 注入service -->
    <bean name="testService" class="com.lcy.service.impl.TestServiceImpl"/>

</beans>

2.3.3、applicationContext-common.xml配置

<?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:p="http://www.springframework.org/schema/p"
    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-4.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
    <!-- 1. 数据源 : DriverManagerDataSource -->
    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://192.168.159.3/test" />
        <property name="username" value="root" />
        <property name="password" value="123456" />
    </bean>
    <!-- 2. mybatis的SqlSession的工厂: SqlSessionFactoryBean dataSource:引用数据源 MyBatis定义数据源,同意加载配置 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <!-- 加载mybatis配置文件 -->
        <property name="configLocation" value="classpath:com/lcy/config/SqlMapConfig.xml" />
    </bean>
    <!-- 3. mybatis自动扫描加载Sql映射文件/接口 : MapperScannerConfigurer sqlSessionFactory 
        basePackage:指定sql映射文件/接口所在的包（自动扫描） -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.lcy.mapper" />
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
    <!-- 4. 事务管理 : DataSourceTransactionManager dataSource:引用上面定义的数据源 -->
    <bean id="txManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!-- 5. 使用声明式事务 transaction-manager：引用上面定义的事务管理器 -->
    <tx:annotation-driven transaction-manager="txManager" />
</beans>

 

2.4、SqlMapConfig.xml配置

<?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>
    <!-- 配置别名 -->
    <typeAliases>
        <package name="com.lcy.pojo"/>
    </typeAliases>
</configuration>

 

2.4、log4j.properties配置

log4j.rootLogger = debug,stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%p\:%-d{yyyy-MM-dd HH\:mm\:ss} %m%n

 

三、代码实现

3.1、代码结构

 

3.2、pojo

3.2.1、Test.java

package com.lcy.pojo;

public class Test {
    private String name;
    private String password;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

}

3.3、mapper

3.3.1、TestMapper.java

package com.lcy.mapper;

import java.util.List;

import com.lcy.pojo.Test;

public interface TestMapper {
    public List<Test> findTests();
}

3.3.2、TestMapper.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.lcy.mapper.TestMapper">
    <select id="findTests" resultType="test">
        select * from test
    </select>
</mapper>

3.4、service

3.4.1、TestService.java

package com.lcy.service;

import java.util.List;

import com.lcy.pojo.Test;

public interface TestService {
    public List<Test> findTests();
}

3.5、service.impl

3.5.1、TestServiceImpl.java

package com.lcy.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.transaction.annotation.Transactional;

import com.lcy.mapper.TestMapper;
import com.lcy.pojo.Test;
import com.lcy.service.TestService;

@Transactional
public class TestServiceImpl implements TestService {
    @Autowired
    @Qualifier("testMapper")
    private TestMapper testMapper;

    @Override
    public List<Test> findTests() {
        return testMapper.findTests();
    }

}

 

3.6、controoller

3.6.1、TestController.java

package com.lcy.comtroller;

import java.util.List;

import net.sf.json.JSONArray;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.lcy.pojo.Test;
import com.lcy.service.TestService;

@Controller
public class TestController {
    @Autowired
    @Qualifier("testService")
    private TestService testService;
    @RequestMapping("/TestToJson")
    @ResponseBody
    public String TestToJson() {
        List<Test> tests=testService.findTests();
        JSONArray jsonArray=JSONArray.fromObject(tests);
        return jsonArray.toString();
    }
    @RequestMapping("/Hello")
    @ResponseBody
    public String Helle() {
        return "Hello SSM";
    }
}

3.7、test

3.7.1、TestServiceTest.java

package com.lcy.test;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.lcy.service.TestService;


@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:com/lcy/config/applicationContext.xml")
public class TestServiceTest {
    @Autowired
    @Qualifier("testService")
    private TestService testService;
    @Test
    public void testFindTests() {
        System.out.println(testService.findTests());
    }
}

 

3.8、项目下载地址

GitHub下载