Struts2上传文件

jsp:

 <form action="file_upload.action" method="post" enctype="multipart/form-data">
         文件：<input type="file" name="myfile"/>
         <input type="submit" value="上传"/>
     </form>

action:

 package com.xyy.action;

 import java.io.File;
 import java.io.IOException;
 import org.apache.commons.io.FileUtils;
 import com.opensymphony.xwork2.Action;

 public class FileAction {

     private File myfile;    //获取文件本身的数据
     private String myfileFileName;    //获取文件名称,变量名命名规则：域名(myfile)+"FileName"
     private String myfileContentType;    //获取文件类型,变量名命名规则：域名(myfile)+"ContentType"

     public void setMyfile(File myfile) {
         this.myfile = myfile;
     }

     public void setMyfileFileName(String myfileFileName) {
         this.myfileFileName = myfileFileName;
     }

     public File getMyfile() {
         return myfile;
     }

     public String getMyfileFileName() {
         return myfileFileName;
     }

     public String getMyfileContentType() {
         return myfileContentType;
     }

     public void setMyfileContentType(String myfileContentType) {
         this.myfileContentType = myfileContentType;
     }

     public String upload() throws IOException{
         if(myfile != null && myfile.length() != 0){
             //写入C盘权限不够的问题：以管理员身份运行eclipse
             File destFile = new File("C:/"+myfileFileName);
             FileUtils.copyFile(myfile, destFile);
             return Action.SUCCESS;
         }else{
             System.out.println("文件为空！");
             return Action.ERROR;
         }
     }

 }

struts.xml:

 <struts>
     <!-- 配置常量 -->
     <constant name="struts.configuration.xml.reload" value="true" />

     <package name="upload-package" extends="struts-default">
         <action name="file_*" class="com.xyy.action.FileAction" method="{1}">
             <result>/upload_ok.jsp</result>
             <result name="error">/upload_err.jsp</result>
         </action>
     </package>
 </struts>