Go语言视频零基础入门到精通

yy2011

package com.renxing.Servletdemo;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class StringGZip extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException
  {
  
  //压缩数据实例
  String data="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
  System.out.println("压缩前的字节"+data.getBytes().length);
  //小管道
  ByteArrayOutputStream baos=new ByteArrayOutputStream();
  //大管道
  GZIPOutputStream out=new GZIPOutputStream(baos);
  //大管道的数据写入小管道里
  out.write(data.getBytes());
  //大管道的关闭  内存刷新 确实的写入小管道里了。
  out.close();
  //小管道 里边的数据 通过 字节数组来获得
  byte[] bytes=baos.toByteArray();
  //然后定义 发送服务端的字节头
  response.setHeader("content-length",bytes.length+"");
  response.setHeader("content-encoding","gzip");
  
  System.out.println("压缩后的字节："+bytes.length);
  //服务端对象response 写入到客户端屏幕上
  response.getOutputStream().write(bytes);
  
  
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  doGet(request, response);
  
}
}