小程序开发之后台SSM环境搭建（一）
1、新建web项目
打开eclipse，选择file-->New-->Dynamic web Project ,填写项目名字，一直点击next,勾选Generate web.xml deployment descriptor,点击Finish即可。
2、引入SSM所需jar包
链接：https://pan.baidu.com/s/1h0i79ieER5K-s1YoD55xzg 密码：npze
3、新建项目目录结构
4、SSM配置文件
4-1、jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/luolan?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456
4-2、applicationContext-dao.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: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-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 引入jdbc配置文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!-- 配置sqlSessionFactory spring mybatis整合-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入数据源 -->
<property name="dataSource" ref="dataSource"></property>
<!-- 扫描mybatis核心配置文件 -->
<property name="configLocation" value="classpath:mybatis.xml"></property>
<!-- 自动使用别名 -->
<property name="typeAliasesPackage" value="com.luolan.entity"></property>
<!-- 扫描mapper映射文件 -->
<property name="mapperLocations" value="classpath:com/luolan/mapping/*.xml"></property>
</bean>
<!-- 扫描DAO接口包 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
<!-- 扫描DAO接口包 -->
<property name="basePackage" value="com.luolan.dao"></property>
</bean>
</beans>
4-3、applicationContext-web.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.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 开启注解映射的支持 -->
<mvc:annotation-driven />
<!-- 允许对静态资源的访问 -->
<mvc:default-servlet-handler/>
<!-- 配置视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- 设置包扫描注解 -->
<context:component-scan base-package="com.luolan.controller"></context:component-scan>
<!-- 开启注解 -->
<context:annotation-config></context:annotation-config>
</beans>
4-4、applicationContext-service.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.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 扫描service包 -->
<context:component-scan base-package="com.luolan.serviceImpl"></context:component-scan>
<!-- 配置事物管理器 -->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 事物采用注解的方式进行 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
4-5、mybatis.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>
<settings>
<!-- 使用jdbc的getGeneratedKeys获取的数据库自增主键值 -->
<setting name="useGeneratedKeys" value="true" />
<!-- 使用列别名替换列名 -->
<setting name="useColumnLabel" value="true" />
<!-- 开启驼峰命名法则 -->
<setting name="mapUnderscoreToCamelCase" value="true" />
</settings>
</configuration>
4-6、web.xml
<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>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:config/applicationContext-*.xml</param-value>
</context-param>
<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:config/applicationContext-web.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>
5、测试
TestController.java
@Controller
@RequestMapping(value="/test")
public class TestController {
@ResponseBody
@RequestMapping(value="/index",method = RequestMethod.GET)
public Integer test(){
return 1;
}
}
运行结果如图所示：执行成功
至此，SSM框架搭建成功。
