为什么我上传word文档也能上传成功？
上传word也提示上传成功，配置全是按照老师设置的
附：struts.xml拦截器代码
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="true" />
<constant name="struts.custom.i18n.resources" value="app"></constant>
<package name="default" namespace="/" extends="struts-default">
<action name="upload" class="com.mumu.action.FileUploadAction">
<result>/jsp/03.jsp</result>
<result name="input">/jsp/error.jsp</result>
<!-- 配置拦截器限制上传文件类型及大小 -->
<interceptor-ref name="defaultStack"></interceptor-ref>
<interceptor-ref name="fileUpload">
<param name="allowedTypes">image/bmp,image/x-png,image/gif,image/jpeg</param>
<param name="maximumSize">2M</param>
</interceptor-ref>
</action>
</package>
</struts>
