1.upload.java(java文件上传的读写方法)

package com.OS.util;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.io.OutputStream;import org.apache.struts2.ServletActionContext;import com.sql.bean.FILE;import com.opensymphony.xwork2.ActionSupport;public class upload extends ActionSupport {	private File picture;	private String pictureContentType;	private String pictureFileName;	FILE file=new FILE();	public FILE upload() throws Exception{		//最好保护文件时重命名加时间截		File saved = new File(ServletActionContext.getServletContext().getRealPath("upload"),pictureFileName);		InputStream ins=null;		OutputStream ous=null;				try{		saved.getParentFile().mkdirs();		ins=new FileInputStream(picture);		ous=new FileOutputStream(saved);				byte[] b= new byte[1024];		int len =0;		while((len=ins.read(b))!=-1){			ous.write(b,0,len);		}		}catch(Exception e){			e.printStackTrace();		}finally{			if(ous!=null) ous.close();			if(ins!=null) ins.close();		}		file.setFile(picture);		file.setFileContentType(pictureContentType);		file.setFileFileName(pictureFileName);		      //  BufferedReader bf = new BufferedReader(new StringReader(str));		return file;	}	public File getPicture() {		return picture;	}	public void setPicture(File picture) {		this.picture = picture;	}	public String getPictureContentType() {		return pictureContentType;	}	public void setPictureContentType(String pictureContentType) {		this.pictureContentType = pictureContentType;	}	public String getPictureFileName() {		return pictureFileName;	}	public void setPictureFileName(String pictureFileName) {		this.pictureFileName = pictureFileName;	}}

2.FILE.java　(文件上传类)

package com.sql.bean;import java.io.File;public class FILE {	private File file;	private String fileContentType;	private String fileFileName;	public File getFile() {		return file;	}	public void setFile(File file) {		this.file = file;	}	public String getFileContentType() {		return fileContentType;	}	public void setFileContentType(String fileContentType) {		this.fileContentType = fileContentType;	}	public String getFileFileName() {		return fileFileName;	}	public void setFileFileName(String fileFileName) {		this.fileFileName = fileFileName;	}		}

3.uploads.java　（action方法）

package com.web.actoin;import org.apache.struts2.ServletActionContext;import com.OS.util.upload;import com.opensymphony.xwork2.ActionSupport;public class uploads extends ActionSupport{	public upload u=new upload();	public String uploadimage() throws Exception{		System.out.println(".."+ServletActionContext.getRequest().getContextPath()+"/upload/"+u.upload().getFileFileName());		return "success";	}	public upload getU() {		return u;	}	public void setU(upload u) {		this.u = u;	}	}

4.gMessages.properties（消息文件）

struts.messages.error.uploading = \u6587\u4EF6\u4E0D\u80FD\u4E0A\u4F20\u7684\u901A\u7528\u9519\u8BEF\u4FE1\u606Fstruts.messages.error.file.too.large = \u4E0A\u4F20\u6587\u4EF6\u957F\u5EA6\u8FC7\u5927\u7684\u9519\u8BEF\u4FE1\u606Fstruts.messages.error.content.type.not.allowed =\u5F53\u4E0A\u4F20\u6587\u4EF6\u4E0D\u7B26\u5408\u6307\u5B9A\u7684contentType

5.struts.properties（struts2资源文件）

struts.custom.i18n.resources=gMessages

6.struts.xml(struts2配置文件)

     
     
      
              
            		
         		  		
         /jsp/                  
                         
         image/bmp,image/png,image/gif,image/jpeg                
                         
         1025956            
                    
                    
        		
            	
        
         index.jsp
            	
        
         success.jsp
            
       
      
     

7.index.jsp

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