Struts2的文件上传注意点总结

1. 表单的enctype属性要设置为multipart/form-data

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?2. 修改web.xml文件的配置
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 <!-- 定义Struts2的核心Filter -->     <filter>         <filter-name>struts</filter-name>         <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>     </filter> <!-- 定义Struts2核心Filter拦截的URL -->     <filter-mapping>         <filter-name>struts</filter-name>         <url-pattern>/*</url-pattern>     </filter-mapping> <!-- 如果不加的话，会发生第一次上传取不到文件的情况 -->     <filter>         <filter-name>struts-cleanup</filter-name>         <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>     </filter>     <filter-mapping>         <filter-name>struts-cleanup</filter-name>         <url-pattern>/*</url-pattern>     </filter-mapping>
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