SSM整合常用配置

一. resources文件夹下

1.db.properties

db.driver=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/recruit?characterEncoding=utf8&useSSL=false&serverTimezone=UTC&rewriteBatchedStatements=true
db.username=root
db.password=root

2. spring-context.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"
       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.smart.ssm">
        <context:exclude-filter type="annotation"                                                                       expression="org.springframework.stereotype.Controller"/>
      </context:component-scan>


</beans>

3. spring-mvc.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.smart.ssm.controller"/>

    <!-- Spring MVC不处理静态资源请求 -->
    <mvc:default-servlet-handler/>
    
    <mvc:annotation-driven>
       <mvc:message-converters >
         <bean  class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                <!-- 避免IE执行AJAX时，返回JSON出现下载文件,指定字符集 -->
            <property name="supportedMediaTypes" value="application/json;charset=UTF-8"/>
            <property name="fastJsonConfig">
                    <bean class="com.alibaba.fastjson.support.config.FastJsonConfig">
                        <!-- 指定默认输出的日期格式 -->
                        <property name="dateFormat" value="yyyy-MM-dd HH:mm:ss"/>
                        <!-- 序列化对象配置可选 -->
                        <property name="serializerFeatures">
                            <array>
                                <!-- 输出key时是否使用双引号，默认为true -->
                                <value>QuoteFieldNames</value>
                                <!-- 将JavaBean序列化为带格式的JSON文本 -->
                                <value>PrettyFormat</value>
                                <!-- 是否输出值为null的字段，默认为false -->
                                <value>WriteMapNullValue</value>
                                <!-- List字段若为null，输出[]，而非null -->
                                <value>WriteNullListAsEmpty</value>
                                <!-- 数值字段若为null，输出0，而非null -->
                                <value>WriteNullNumberAsZero</value>
                                <!-- 字符类型字段若为null，输出”“，而非null -->
                                <value>WriteNullStringAsEmpty</value>
                                <!-- Boolean字段若为null，输出false，而非null -->
                                <value>WriteNullBooleanAsFalse</value>
                                <!-- 日期格式化 -->
                                <value>WriteDateUseDateFormat</value>
                            </array>
                        </property>
                    </bean>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

</beans>

4. spring-mybatis.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"
       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:property-placeholder location="classpath:db.properties"/>
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 用来注册所有的mapper.xml文件 -->
        <property name="mapperLocations" value="classpath:mapper/**/*.xml"/>
        <property name="typeAliasesPackage" value="com.smart.ssm.entity"/>
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 注册Mapper.java的接口文件 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.smart.ssm.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>
    
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-                  method="init" destroy-method="close">
        <property name="url" value="${db.url}"/>
        <property name="username" value="${db.username}"/>
        <property name="password" value="${db.password}"/>
        
        <property name="filters" value="stat" />

        <property name="maxActive" value="20" />
        <property name="initialSize" value="1" />
        <property name="maxWait" value="60000" />
        <property name="minIdle" value="1" />

        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="300000" />

        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />

        <property name="poolPreparedStatements" value="true" />
        <property name="maxOpenPreparedStatements" value="20" />

        <property name="asyncInit" value="true" />
    </bean>
</beans>

二. webapp/WEB-INF文件夹下

1. web.xml

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >
<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">
    <display-name>Archetype Created Web Application</display-name>
    <!-- spring监听类 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- spring其他配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring-*.xml</param-value>
    </context-param>
    <!-- DispatcherServlet类 -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!-- 加载spring mvc配置文件 -->
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <!-- 配置 DispatcherServlet优先加载 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

三. Maven项目简单结构

Maven项目简单结构