外部属性文件conf.properties配置:
driver = com.mysql.jdbc.Driver
url = jdbc:mysql://localhost:3306/mysql_java?characterEncoding=utf-8
userName = root
password =123123
mybatis配置文件mybatis-config.xml配置:
<configuration>
<!-- 实体类的别名,别名与类名相同 -->
<typeAliases>
<package name="com.pyy.entity" />
</typeAliases>
</configuration>
springMVC配置文件springMVC-servlet.xml配置:
<!-- 配置视图分解器 -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 配置前缀 -->
<property name="prefix" value="/"></property>
<!-- 配置后缀 -->
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 启用注解 -->
<mvc:annotation-driven />
<!-- 扫描指定包下的所有的控制器 -->
<context:component-scan base-package="com.etc.controller" />
<!-- 静态资源访问 -->
<mvc:resources location="/img/" mapping="/img/**" />
<mvc:resources location="/css/" mapping="/css/**" />
<mvc:resources location="/js/" mapping="/js/**" />
spring配置文件applicationcontext.xml配置:
<!-- 扫描业务逻辑层的所有Bean -->
<context:component-scan base-package="com.pyy.biz" />
<!-- 导入外部属性文件 -->
<context:property-placeholder location="classpath:config/conf.properties" />
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${driver}" />
<property name="url" value="${url}" />
<property name="username" value="${userName}" />
<property name="password" value="${password}" />
<property name="maxActive" value="100" /> <!-- 最大连接数 -->
<property name="maxIdle" value="100" /> <!-- 最大空闲连接数 -->
<property name="minIdle" value="30" /> <!-- 最小空闲连接数 -->
<property name="maxWait" value="120000" /> <!-- 最大空闲时间 : 2分钟 -->
</bean>
<!-- 配置mybatis的sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 连接数据源 -->
<property name="dataSource" ref="dataSource" />
<!-- 导入mybatis配置文件 -->
<property name="configLocation" value="classpath:config/mybatis-config.xml" />
</bean>
<!-- 扫描映射文件 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.pyy.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
web.xml配置:
<!-- 初始化spring配置文件路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:config/applicationcontext.xml</param-value>
</context-param>
<!-- 配置spring的监听器,应用程序在被Tomcat服务器加载时就初始化IOC容器, -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 配置springMVC -->
<servlet>
<servlet-name>springMVC</servlet-name>
<!-- 前端控制器 -->
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置springMVC-servlet.xml的访问路径 -->
<init-param>
<!-- contextConfigLocation为固定参数 -->
<param-name>contextConfigLocation</param-name>
<param-value>classpath:config/springMVC-servlet.xml</param-value>
</init-param>
<!-- 表示这个Servlet随应用程序的启动而启动 -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<!-- /表示所有的请求都通过前端控制器拦截 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 配置springMVC的编码格式过滤器 -->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- 设置过滤器中的属性值 -->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<!-- forceEncoding属性表示过滤器启动 -->
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<!-- 针对所有请求进行过滤 -->
<url-pattern>/*</url-pattern>
</filter-mapping>