struts2学习笔记之十:文件上传

package com.djoker.struts2;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
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.opensymphony.xwork2.Action;

public class uploadAction {

    private String myFileFileName;
    
    private File myFile;
    
    private String descContextType;

    public String getMyFileFileName() {
        return myFileFileName;
    }

    public void setMyFileFileName(String myFileFileName) {
        this.myFileFileName = myFileFileName;
    }

    public File getMyFile() {
        return myFile;
    }

    public void setMyFile(File myFile) {
        this.myFile = myFile;
    }

    public String getDescContextType() {
        return descContextType;
    }

    public void setDescContextType(String descContextType) {
        this.descContextType = descContextType;
    }
    
    public String execute() throws Exception {
        System.out.println(myFileFileName);
        InputStream is = null;
        OutputStream os = null;
        try{
        is = new BufferedInputStream(new FileInputStream(myFile));
        os = new BufferedOutputStream(new FileOutputStream(ServletActionContext.getServletContext().getRealPath("upload") + "/" + myFileFileName));
        byte[] ByteBuffer = new byte[1024];
        int len = 0;
        while((len = is.read(ByteBuffer)) > 0){
            os.write(ByteBuffer, 0, len);
        }
        } finally {
            if(is != null){
                is.close();
            }
            if(os != null){
                os.close();
            }
        }
        return Action.SUCCESS;
    }
}