Spring加载properties文件的两种方式

矫情吗；* 2022-05-29 00:13 260阅读 0赞

一：

1.  <context:property-placeholder location="classpath:conn.properties"/>  
2.    
3.    
4.   <bean id="dataSource" class="$\{dataSource\}">   
5.      <property name="driverClass" value="$\{driverClass\}" />  
6.      <property name="jdbcUrl" value="$\{jdbcUrl\}" />  
7.      <property name="user" value="$\{user\}" />  
8.      <property name="password" value="$\{password\}" />  
9.   </bean>

二：

1.  <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">  
2.      <property name="locations">   
3.          <array>  
4.              <value>classpath:conn.properties</value>  
5.          </array>  
6.      </property>  
7.  </bean>

<servlet>  
<servlet-name>springmvc</servlet-name>  
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
  
<init-param>  
<param-name>contextConfigLocation</param-name>  
<param-value>/WEB-INF/springmvc.xml</param-value>  
</init-param>  
</servlet>  
<servlet-mapping>  
<servlet-name>springmvc</servlet-name>  
<url-pattern>\*.htm</url-pattern>  
</servlet-mapping>

<context-param>  
<param-name>contextConfigLocation</param-name>  
<param-value>/WEB-INF/spring.xml</param-value>  
</context-param>