javastruts文件上传

UploadAction.java:

package crm.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class UploadAction extends ActionSupport {
    private File upload;  
    private String uploadFileName;  
    private String uploadContentType;
    private String savePath;
     
    public File getUpload() {
  return upload;
 }

 public void setUpload(File upload) {
  this.upload &＃61; upload;
 }

 public String getUploadFileName() {
  return uploadFileName;
 }

 public void setUploadFileName(String uploadFileName) {
  this.uploadFileName &＃61; uploadFileName;
 }

 public String getUploadContentType() {
  return uploadContentType;
 }

 public void setUploadContentType(String uploadContentType) {
  this.uploadContentType &＃61; uploadContentType;
 }

 public String getSavePath() {
  //得到savePath的绝对路径
  String filePath &＃61; ServletActionContext.getServletContext().getRealPath(savePath);
  File saveFile &＃61; new File(filePath);
  if(!saveFile.exists())
  {
   saveFile.mkdir();
  }
  return filePath;
 }

 public void setSavePath(String savePath) {  
  this.savePath &＃61; savePath;
 }
 
 public String uploadFile()
 {
  try {
   FileOutputStream fos &＃61; new FileOutputStream(getSavePath()&＃43;"\\"&＃43;getUploadFileName());
   FileInputStream fis &＃61; new FileInputStream(getUpload());
   byte[] buffer&＃61;new byte[1024];
   int len &＃61; 0;
   while((len &＃61; fis.read(buffer))>0)
   {
    fos.write(buffer, 0, len);
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
  return SUCCESS;
 }
}

struts.xml:

  
   
   
   /upload
   /pages/file/upload.jsp
   
   
   
   image/png,image/gif,image/pjpeg
   
   20000
   
  

applicationContext.xml:

upload.jsp:

<%&＃64; page language&＃61;"java" import&＃61;"java.util.*" pageEncoding&＃61;"utf-8"%>
<%&＃64; taglib prefix&＃61;"s" uri&＃61;"/struts-tags"%>
<%
String path &＃61; request.getContextPath();
String basePath &＃61; request.getScheme()&＃43;"://"&＃43;request.getServerName()&＃43;":"&＃43;request.getServerPort()&＃43;path&＃43;"/";
%>


 
       
 
 
     
 
 
 
 
  
   文件&＃xff1a;