HTTP:好好理解HTTP协议---字节写HTTP协议

来源：互联网发布：apache curator maven 编辑：程序博客网时间：2024/05/30 23:39

    /**
   * 发送GET请求
   */
   @Test
   public void fun1() throws Exception {
       Socket socket = new Socket("localhost", 8080);
       PrintStream out = new PrintStream(socket.getOutputStream());

       StringBuilder sb = new StringBuilder();
       sb.append("GET /day03_1/index2.jsp?username=zhangSan HTTP/1.1").append("\r\n");//请求行
       sb.append("Host: localhost:8080").append("\r\n");//请求主机
       sb.append("Connection: close").append("\r\n");//连接方式是马上断开
       sb.append("\r\n");//空行，因为GET没有请求体，所以请求内容最后是空行

       out.print(sb.toString());

       //////////////////////////////////////

       String s = IOUtils.toString(socket.getInputStream());
       System.out.println(s);
   }

   /**
   * 发送POST请求
   */
   @Test
   public void fun2() throws Exception {
       Socket socket = new Socket("localhost", 8080);
       PrintStream out = new PrintStream(socket.getOutputStream());

       StringBuilder sb = new StringBuilder();
       sb.append("POST /day03_1/index2.jsp HTTP/1.1").append("\r\n");//请求行
       sb.append("Host: localhost:8080").append("\r\n");//请求主机
       sb.append("Content-Type: application/x-www-form-urlencoded").append("\r\n");
       sb.append("Content-Length: 17").append("\r\n");
       sb.append("Connection: close").append("\r\n");//连接方式是马上断开
       sb.append("\r\n");//空行，因为GET没有请求体，所以请求内容最后是空行
       sb.append("username=zhangSan");

       out.print(sb.toString());

       //////////////////////////////////////

       String s = IOUtils.toString(socket.getInputStream());
       System.out.println(s);
   }

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