SSM深入理解

SSM深入理解

ssm是常见的框架之一

配置文件spring：

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


<beans xmlns="https://www.springframework.org/schema/beans" 
  xmlns:aop="https://www.springframework.org/schema/aop" 
  xmlns:tx="https://www.springframework.org/schema/tx" 
  xmlns:context="https://www.springframework.org/schema/context" 
  xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" 
  xsi:schemaLocation="https://www.springframework.org/schema/beans
                      https://www.springframework.org/schema/beans/spring-beans-3.2.xsd
                      https://www.springframework.org/schema/aop
                      https://www.springframework.org/schema/aop/spring-aop-3.2.xsd
                      https://www.springframework.org/schema/tx
                      https://www.springframework.org/schema/tx/spring-tx-3.2.xsd
                      https://www.springframework.org/schema/context
                      https://www.springframework.org/schema/context/spring-context-3.2.xsd">
<!-- 扫描除了controller之外的所有包 -->
<context:component-scan base-package="com.baway">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>

<!-- 配置连接池 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.MySQL.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/ems?characterEncoding=utf-8"></property>
<property name="username" value="root"></property>
<property name="password" value="123456"></property>
</bean>
<!-- 配置sqlsession -->
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="mapperLocations">
<list>
<value>classpath:com/baway/dao/*Mapper.xml</value>
</list>
</property>
<property name="typeAliasesPackage" value="com.baway.pojo"></property>
</bean>
<!-- 配置mapperScannerConigure -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.baway.dao"></property>
<property name="sqlSessionFactory" ref="sqlSession"></property>
</bean>
<!-- 配置事物管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>

<!-- 配置注解驱动 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

springmvc配值：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="https://www.springframework.org/schema/beans" 
       xmlns:tx="https://www.springframework.org/schema/tx" 
       xmlns:context="https://www.springframework.org/schema/context"
       xmlns:aop="https://www.springframework.org/schema/aop"
       xmlns:mvc="https://www.springframework.org/schema/mvc"
       xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" 
       xsi:schemaLocation="https://www.springframework.org/schema/beans 
                           https://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
                           https://www.springframework.org/schema/tx 
                           https://www.springframework.org/schema/tx/spring-tx-3.2.xsd
                           https://www.springframework.org/schema/context 
                           https://www.springframework.org/schema/context/spring-context-3.2.xsd
                           https://www.springframework.org/schema/aop
                           https://www.springframework.org/schema/aop/spring-aop-3.2.xsd
                           https://www.springframework.org/schema/mvc 
                           https://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
                           
     <!-- 包扫描 -->
     <context:component-scan base-package="com.baway.controller"></context:component-scan>
     
     <!-- 视图解析器 -->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <property name="prefix" value="/"></property>
      <property name="suffix" value=".jsp"></property>
     </bean>
     
     <mvc:annotation-driven/>
</beans>


映射文件：
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"https://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.baway.dao.UserMapper">
<insert id="addUser" parameterType="user">
insert into user(name,password) value(#{name},#{password})
</insert>
<select id="selectByName" parameterType="string" resultType="user">
select * from user where name=#{name}
</select>
https://libs.baidu.com/jQuery/1.10.2/jquery.min.js
</mapper>


webxml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xmlns="https://Java.sun.com/xml/ns/javaee" xsi:schemaLocation="https://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  
  <filter>
  <filter-name>encoding</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>encoding</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>
  <servlet>
  <servlet-name>mvc</servlet-name>
  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  <init-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath:springmvc.xml</param-value>
  </init-param>
  <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
  <servlet-name>mvc</servlet-name>
  <url-pattern>/</url-pattern>
  </servlet-mapping>
  
  <listener>
  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  
</web-app>