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  • jsp--servlet实现文件的下载

    package com.lideng.servlet;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.PrintWriter;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    public class ReaderText extends HttpServlet {
    
    	public void doGet(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		InputStream is =new FileInputStream(new File("D:\Notepad++\change.log"));//根据自己的实际情况填写路径
    		int n=0;
    		byte [] b=new byte[1024];
    		while((n=is.read(b))!=-1){
    			
    			response.getWriter().write(new String(b));
    		}
    		is.close();
    			
    	}
    
    	
    	public void doPost(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    
    	}
    
    }
    

      

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  • 原文地址:https://www.cnblogs.com/qurui1997/p/10539643.html
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