down.java

来自「纯jsp做的人事招聘系统」· Java 代码 · 共 40 行

package com.updown;

import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;

import javax.servlet.http.HttpServletResponse;

public class Down {
	
	
	public boolean filedown(String fileroot, String filename, HttpServletResponse response) {
		
		boolean result = false;
		int n = 0;

		try {
			OutputStream o = response.getOutputStream();
			byte b[] = new byte[500];
			File fileLoad = new File(fileroot);
			response.setHeader("Content-disposition","attachment;filename="+filename); 
			response.setContentType("application/msword");
		    long fileLength = fileLoad.length();
		    String length = String.valueOf(fileLength);
		    response.setHeader("Content_Length",length);
			FileInputStream in = new FileInputStream(fileLoad);			
		    while((n = in.read(b)) != -1)
			    {			  
				 o.write(b,0,n);
			    }
		    result = true;
		    }catch(Exception e) {}	
		    		    
		return result;
	}

}