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  • 要想向我学知识,你必须先有强烈的求知欲望,就像你有强烈的求生欲望一样

    ssm框架下web项目,web.xml配置文件的作用

    1. web.xml中配置了CharacterEncodingFilter,配置这个是拦截所有的资源并设置好编号格式。

      encoding设置成utf-8就相当于request.setCharacterEncoding("UTF-8");  

      foreEncoding设置成true就相当于response.setCharacterEncoding("UTF-8");

    <filter> 
      <filter-name>CharacterEncodingFilter</filter-name> 
      <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 
      <init-param> 
        <param-name>encoding</param-name> 
        <param-value>UTF-8</param-value> 
      </init-param> 
      <init-param> 
        <param-name>forceEncoding</param-name>
        <param-value>true</param-value> 
      </init-param>
    </filter> 
    <filter-mapping> 
        <filter-name>CharacterEncodingFilter</filter-name> 
        <url-pattern>/*</url-pattern> 
    </filter-mapping>

    2. web.xml配置DispatcherServlet,配置这个是拦截所有请求,都交给springmvc转发

      拦截所有的请求,并加载所有的ssm配置文件(路径为classpath:---)

    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-*.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
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  • 原文地址:https://www.cnblogs.com/yuchenxiao/p/10626715.html
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