spring 要怎么配置web.xml文件啊 ！(急~~~~~)

Question

添加了spring 要怎么配置web.xml文件,自己添加了老是出现空指针异常啊，

Answer 1

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Answer 2

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>/WEB-INF/classes/applicationContext.xml</param-value>
</context-param><servlet>
    <servlet-name>context</servlet-name>
    <servlet-class>spring-web包的ContextLoaderServlet类</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>

Answer 3

       [align=left] <context-param>
<param-name>ContextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param> <listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>[/align]

Answer 4

<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>src/spring文件夹下的所有包都被配置进去

Answer 5

<context-param> 
  <param-name>ContextConfigLocation </param-name> 
  <param-value>/WEB-INF/applicationContext.xml </param-value> 
</context-param> <listener> 
 <listener-class> 
  org.springframework.web.context.ContextLoaderListener 
 </listener-class> 
</listener>

Answer 6

这是一种监听机制，Spring用来做WEB开发，就必须放在WEB容器下利用，当WEB 有请求业务，Spring就会积极相应。web.xml实际上就是个环境，你得把它放入到这个环境中去，此为我个人在开发中的领悟，敬请指教！