SSM框架第一次的搭建

博主学完了了SpringMVC，只了解了一点spring和mybatis

跟着百度找的一堆教程尝试搭建ssm

首先创建maven项目添加依赖

<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-expression</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aspects</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.5</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.3.1</version>
		</dependency>
		<dependency>
			<groupId>com.microsoft.sqlserver</groupId>
			<artifactId>sqljdbc4</artifactId>
			<version>4.0</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.1.9</version>
		</dependency>

		<!-- jsp和Tomcat依赖 -->
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.1</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>4.0.1</version>
		</dependency>

在resources下创建需要的配置文件

spring.xml,算是spring的主配置文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	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-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
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

	<!-- 配置Service扫描 -->
	<context:component-scan
		base-package="com.vhukze.service" />
	<tx:annotation-driven />
	<!-- 定义事务管理器 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>
	<!-- 定义事务策略 propagation="REQUIRED" 表示执行该方法必须添加事务 propagation="SUPPORTS" 
		表示之前操作添加了事务，该方法也添加事务，否则该操作没有添加事务 read-only="true" 表示该方法中只允许查询操作，如果其中存在增删改操作则会报错 -->
	<tx:advice id="txAdvice"
		transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="find*" propagation="SUPPORTS"
				read-only="true" />
			<tx:method name="*" propagation="SUPPORTS" read-only="true" />
		</tx:attributes>
	</tx:advice>

	<!-- 定义事务切面 pointcut*, advisor*, aspect* expression 切入点表达式 within(包名.类名) 
		按类匹配,粗粒度 execution(返回值的类型 包名.类名.方法名(参数列表)) 细粒度 -->
	<aop:config>
		<!-- 切入点 -->
		<aop:pointcut
			expression="execution(* com.jt.manage.service..*.*(..))" id="pc" />
		<!-- 指定事务策略和切入点 -->
		<aop:advisor advice-ref="txAdvice" pointcut-ref="pc" />
	</aop:config>



</beans>

springMvc.xml，SpringMVC的主配置文件

<?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:p="http://www.springframework.org/schema/p"
	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-4.0.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">
	<!-- 配置Controller扫描 -->
	<context:component-scan
		base-package="com.vhukze.controller" />

	<!-- 配置注解驱动 -->
	<mvc:annotation-driven />

	<!-- 对静态资源放行 -->
	<mvc:resources location="/css/" mapping="/css/**" />
	<mvc:resources location="/js/" mapping="/js/**" />
	<mvc:resources location="/fonts/" mapping="/fonts/**" />
	<mvc:resources location="/frame/" mapping="/frame/**" />
	<mvc:resources location="/images/" mapping="/images/**" />
	<mvc:resources location="/style/" mapping="/style/**" />
	<!-- 配置视图解析器 -->
	<bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 前缀 -->
		<property name="prefix" value="/WEB-INF/jsp/" />
		<!-- 后缀 -->
		<property name="suffix" value=".jsp" />
	</bean>
</beans>

spring-dao.xml，dao层的配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	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-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
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

	<!-- 配置 读取properties文件 jdbc.properties -->
	<context:property-placeholder
		location="classpath:jdbc.properties" />

	<!-- 配置 数据源 -->
	<bean id="dataSource"
		class="com.alibaba.druid.pool.DruidDataSource">
		<property name="driverClassName" value="${jdbc.driver}" />
		<property name="url" value="${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">
		<!-- 设置MyBatis核心配置文件 -->
		<property name="configLocation"
			value="classpath:mybatis-config.xml" />
		<!-- 设置数据源 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 它表示我们的Mapper文件存放的位置，当我们的Mapper文件跟对应的Mapper接口处于同一位置的时候可以不用指定该属性的值。 -->
		<!-- <property name="mapperLocations" value="classpath:/mapper/*.xml"/> -->
		<!-- 那么在Mapper文件里面就可以直接写对应的类名 而不用写全路径名了 -->
		<!-- 跟mybatis中<typeAliases>作用一样 -->
		<property name="typeAliasesPackage" value="com.vhukze.pojo"/>
	</bean>

	<!-- 配置Mapper扫描 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<!-- 设置Mapper扫描包 -->
		<property name="basePackage" value="com.vhukze.dao" />
	</bean>

</beans>

jdbc.properties，数据源文件

jdbc.driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc.url=jdbc:sqlserver://localhost:1433;DatabaseName=Test
jdbc.username=sa
jdbc.password=123

mybatis-config.xml，mybatis的配置文件

<?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>

	<!-- 别名 -->
	<!-- 起別名后，不用在mappring resultType 填写全类名 -->
	<typeAliases>
		<package name="com.vhukze.pojo" />
	</typeAliases>

	<mappers>
		<!--这是告诉Mybatis区哪找持久化类的映射文件，对于在src下的文件直接写文件名， 如果在某包下，则要写明路径,如：com/mybatistest/config/User.xml -->
		<mapper resource="com/vhukze/dao/TestMapper.xml"></mapper>
	</mappers>
</configuration>

web.xml里面添加

<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:spring*.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>

到这里就配置完了，新建一个Demo来测试一下，项目结构：

controller层


package com.vhukze.controller;

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

import com.vhukze.pojo.UserDemo;
import com.vhukze.service.TestService;

/**
* @author zsz
* @version 
* @创建时间：2019年9月11日 下午5:13:33
*/
@Controller
@RequestMapping("user")
public class TestController {
	
	@Autowired
	private TestService service;

	@RequestMapping("fun")
	public String fun() {
		UserDemo user = new UserDemo();
		user.setPassword("vukze");
		user.setUsername("vhukze");
		System.out.println(service.saveUser(user));
		return "index";
	}
}

service层实现类


package com.vhukze.service.serviceimpl;

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

import com.vhukze.dao.TestMapper;
import com.vhukze.pojo.UserDemo;
import com.vhukze.service.TestService;

/**
* @author zsz
* @version 
* @创建时间：2019年9月12日 上午9:39:54
*/
@Service
public class TestServiceImpl implements TestService {

	@Autowired
	private TestMapper mapper;
	
	public UserDemo getUserById(Integer id) {
		return mapper.getUserByID(id);
	}

	public Integer saveUser(UserDemo user) {
		return mapper.saveUser(user);
	}


}

dao层接口


package com.vhukze.dao;

import org.springframework.stereotype.Repository;

import com.vhukze.pojo.UserDemo;

/**
* @author zsz
* @version 
* @创建时间：2019年9月12日 上午9:42:42
*/
@Repository
public interface TestMapper {

	UserDemo getUserByID(Integer id);
	
	Integer saveUser(UserDemo user);
}

dao层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.vhukze.dao.TestMapper">
	<select id="getUserByID" parameterType="Integer"
		resultType="UserDemo">
		select * from user_demo where id = #{id}
	</select>

	<insert id="saveUser" parameterType="UserDemo"
		useGeneratedKeys="true">
		insert into user_demo(username,password) values (#{username},#{password})
	</insert>
</mapper>

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