Java SSM配置文件案例详解

<?xml version="1.0" encoding="UTF-8"?>
<!--在使用spring 相关jar包的时候进行配置 每个jar包对应一个xmlns和schemaLocation路径-->
<!--格式基本相关 只要修改相关的关键字-->
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:aop="http://www.springframework.org/schema/aop"
       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/aop http://www.springframework.org/schema/aop/spring-aop.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">
<!--    开启注解扫描 ，才可以使用注解 可以使用use-default-filter配合include-filer和exclude-filter使用    -->
    <context:component-scan base-package="com.jdbcTemplate" ></context:component-scan>

<!--    开启aop-->
    <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

<!--    JdbcTemplate使用-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
        <property name="url" value="jdbc:mysql:/book"/>
        <property name="username" value = "root"/>
        <property name="password" value = "LRY990722"/>
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    </bean>

    <bean id="'jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"></property>
    <bean/>


    <!--创建事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <!--注入数据源-->
    <property name="dataSource" ref="dataSource"></property>
        <!--开启事务注解-->
    <tx:annotation-driven transaction-manager="transactionManager" ></tx:annotation-driven>

</bean>
</beans>

<!-- 配置SpringMVC的前端控制器，对浏览器发送的请求统一进行处理 -->
<servlet>
    <servlet-name>springMVC</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 通过初始化参数指定SpringMVC配置文件的位置和名称 -->
    <init-param>
        <!-- contextConfigLocation为固定值 -->
        <param-name>contextConfigLocation</param-name>
        <!-- 使用classpath:表示从类路径查找配置文件，例如maven工程中的src/main/resources -->
        <param-value>classpath:springMVC.xml</param-value>
    </init-param>
    <!-- 
 		作为框架的核心组件，在启动过程中有大量的初始化操作要做
		而这些操作放在第一次请求时才执行会严重影响访问速度
		因此需要通过此标签将启动控制DispatcherServlet的初始化时间提前到服务器启动时
	-->
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>springMVC</servlet-name>
    <!--
        设置springMVC的核心控制器所能处理的请求的请求路径
        /所匹配的请求可以是/login或.html或.js或.css方式的请求路径
        但是/不能匹配.jsp请求路径的请求
    -->
    <url-pattern>/</url-pattern>
</servlet-mapping>

<!-- 自动扫描包 -->
<context:component-scan base-package="com.atguigu.mvc.controller"/>

<!-- 配置Thymeleaf视图解析器 -->
<bean id="viewResolver" class="org.thymeleaf.spring5.view.ThymeleafViewResolver">
    <property name="order" value="1"/>
    <property name="characterEncoding" value="UTF-8"/>
    <property name="templateEngine">
        <bean class="org.thymeleaf.spring5.SpringTemplateEngine">
            <property name="templateResolver">
                <bean class="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver">
    
                    <!-- 视图前缀 -->
                    <property name="prefix" value="/WEB-INF/templates/"/>
    
                    <!-- 视图后缀 -->
                    <property name="suffix" value=".html"/>
                    <property name="templateMode" value="HTML5"/>
                    <property name="characterEncoding" value="UTF-8" />
                </bean>
            </property>
        </bean>
    </property>
</bean>

<!-- 
   处理静态资源，例如html、js、css、jpg
  若只设置该标签，则只能访问静态资源，其他请求则无法访问
  此时必须设置<mvc:annotation-driven/>解决问题
 -->
<mvc:default-servlet-handler/>

<!-- 开启mvc注解驱动 -->
<mvc:annotation-driven>
    <mvc:message-converters>
        <!-- 处理响应中文内容乱码 -->
        <bean class="org.springframework.http.converter.StringHttpMessageConverter">
            <property name="defaultCharset" value="UTF-8" />
            <property name="supportedMediaTypes">
                <list>
                    <value>text/html</value>
                    <value>application/json</value>
                </list>
            </property>
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>

<?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>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver"/>
                <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useSSL=true&amp;useUnicode=true&amp;characterEncoding=utf8"/>
                <property name="username" value="root"/>
                <property name="password" value="LRY990722"/>
            </dataSource>
        </environment>
    </environments>

<!--    mapper.xml都需要在mybatis核心配置文件中配置-->
    <mappers>
        <mapper resource="com/example/mapper/UserMapper.xml"/>
    </mappers>
</configuration>

<?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.example.mapper.UserMapper">
    <select id="selectUser" resultType="com.example.pojo.User">
        select * from user
    </select>
</mapper>

    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>