//准备文件

　　

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

//在struts.xml中配置相应的action

               
                
        /image        
        
         /upload_success.jsp
            
       

//在根据action节点找对应的类

package 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{    //封装上传文件的属性    private File upload;    //封装上传文件的类型    private String uploadContentType;    //封装上传文件的名称    private String uploadFileName;        public File getUpload() {        return upload;    }    public void setUpload(File upload) {        this.upload = upload;    }    public String getUploadContentType() {        return uploadContentType;    }    public void setUploadContentType(String uploadContentType) {        this.uploadContentType = uploadContentType;    }    public String getUploadFileName() {        return uploadFileName;    }    public void setUploadFileName(String uploadFileName) {        this.uploadFileName = uploadFileName;    }    public void setSavePath(String savePath) {        this.savePath = savePath;    }    //获取文件上传的路径    private String savePath;    @Override    public String execute() throws Exception {            //创建缓存数组            byte [] buffer =new byte[1024];            //读取文件                FileInputStream fis =new FileInputStream(getUpload());                //保存文件，并设置保存目录的路径                FileOutputStream fos =new FileOutputStream(getSavePath()+"\\"+this.getUploadFileName());                int length =fis.read(buffer);                while(length>0){                    //每次写入length长度的内容                    fos.write(buffer,0,length);                    length=fis.read(buffer);                }                fis.close();                fos.flush();                fos.close();        return SUCCESS;    }    public String getSavePath(){        return ServletActionContext.getServletContext().getRealPath(savePath);    }}

//如果成功就去找成功页面

        上传文件成功！ 您上传的文件是：
       
 文件类型: