Struts2上传文件

jsp:

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

action:

 1 package com.xyy.action;
 2 
 3 import java.io.File;
 4 import java.io.IOException;
 5 import org.apache.commons.io.FileUtils;
 6 import com.opensymphony.xwork2.Action;
 7 
 8 public class FileAction {
 9     
10     private File myfile;    //获取文件本身的数据
11     private String myfileFileName;    //获取文件名称,变量名命名规则：域名(myfile)+"FileName"
12     private String myfileContentType;    //获取文件类型,变量名命名规则：域名(myfile)+"ContentType"
13     
14     public void setMyfile(File myfile) {
15         this.myfile = myfile;
16     }
17 
18     public void setMyfileFileName(String myfileFileName) {
19         this.myfileFileName = myfileFileName;
20     }
21 
22     public File getMyfile() {
23         return myfile;
24     }
25 
26     public String getMyfileFileName() {
27         return myfileFileName;
28     }
29 
30     public String getMyfileContentType() {
31         return myfileContentType;
32     }
33 
34     public void setMyfileContentType(String myfileContentType) {
35         this.myfileContentType = myfileContentType;
36     }
37 
38     public String upload() throws IOException{
39         if(myfile != null && myfile.length() != 0){
40             //写入C盘权限不够的问题：以管理员身份运行eclipse
41             File destFile = new File("C:/"+myfileFileName);
42             FileUtils.copyFile(myfile, destFile);
43             return Action.SUCCESS;
44         }else{
45             System.out.println("文件为空！");
46             return Action.ERROR;
47         }
48     }
49     
50 }

struts.xml:

 1 <struts>
 2     <!-- 配置常量 -->
 3     <constant name="struts.configuration.xml.reload" value="true" />
 4     
 5     <package name="upload-package" extends="struts-default">
 6         <action name="file_*" class="com.xyy.action.FileAction" method="{1}">
 7             <result>/upload_ok.jsp</result>
 8             <result name="error">/upload_err.jsp</result>
 9         </action>
10     </package>
11 </struts>