struts2上传文件的写法比较固定
jsp:
<s:form action="uploadAction_upload.action" enctype="multipart/form-data">
<s:file name="resource"></s:file>
<s:submit></s:submit>
</s:form>
UploadAction:
定义private file resource;
写好get()、set()方法
public String upload(){......}//参考我的java基础(三十)
struts.xml:
<package>
<interceptors>
<interceptor-stack name="defaultStack">
<interceptor-ref name="FileUploadInterceptor">
<param name="allowedTypes"></param>
</interceptor-ref>
</interceptor-stack>
</interceptors>
<package>