使用xml文件配置SSM整合
使用XML文件配置SSM整合。缺点：xml解析低，降低项目响应效率。
配置web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>hiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>hiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>dispatcherServlet</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>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>配置控制层(springmvc.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 https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="com.evan.controller"/>
<bean id="viewResolver" >
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean >
<property name="templateResolver">
<bean >
<property name="characterEncoding" value="UTF-8"/>
<property name="order" value="2"/>
<property name="templateMode" value="HTML5"/>
<property name="prefix" value="/WEB-INF/views"/>
<property name="suffix" value=".html"/>
</bean>
</property>
</bean>
</property>
</bean>
<beanid="resourceViewResolver">
<property name="order" value="1"/>
<property name="prefix" value="/WEB-INF/views"/>
<property name="suffix" value=".jsp"/>
</bean>
<mvc:interceptors>
<mvc:interceptor>
<mvc:mapping path="/**"/>
<mvc:exclude-mapping path="/test/hello"/>
<ref bean="firstInterceptor"/>
</mvc:interceptor>
</mvc:interceptors>
<bean >
<property name="order" value="1"/>
<property name="exceptionMappings">
<props>
<prop key="java.lang.Exception">error</prop>
<prop key="java.lang.NullPointerException">error</prop>
<prop key="java.lang.ArithmeticException">error</prop>
</props>
</property>
<property name="defaultErrorView" value="error"/>
<property name="exceptionAttribute" value="ex"/>
</bean>
<mvc:view-controller path="/" status-code="200" view-name="index"/>
<mvc:redirect-view-controller path="/baidu" redirect-url="https:www.baidu.com"/>
<mvc:default-servlet-handler/>
<mvc:annotation-driven/>
</beans>配置业务层组件(spring.xml)
jdbc.properties
jdbc.username=root
jdbc.password=******
jdbc.url=jdbc:mysql://localhost:3306/ssm?serverTimezone=GMT%2B8&characterEncoding=utf8
jdbc.driver=com.mysql.cj.jdbc.Driver<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.evan">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<context:property-placeholder location="classpath:jdbc.properties"/>
<bean id="dataSource" >
<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>
<beanid="transactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<tx:advice id="txadvice">
<tx:attributes>
<tx:method name="get*" read-only="true"/>
<tx:method name="query*" read-only="true"/>
<tx:method name="find*" read-only="true"/>
<tx:method name="save*" read-only="false" rollbackfor="java.lang.Exception" propagation="REQUIRES_NEW"/>
<tx:method name="update*" read-only="false" rollbackfor="java.lang.Exception" propagation="REQUIRES_NEW"/>
<tx:method name="delete*" read-only="false" rollbackfor="java.lang.Exception" propagation="REQUIRES_NEW"/>
</tx:attributes>
</tx:advice>
</aop:config>
<beanid="sqlSessionFactory">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
</beans>配置持久层(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>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
<setting name="logImpl" value="SLF4J"/>
</settings>
<typeAliases>
<package name="com.evan.bean"/>
</typeAliases>
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor"/>
</plugins>
<mappers>
<package name="com.evan.mapper"/>
</mappers>
</configuration>
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