/*不能接收数据*/
package Chapter2;
import java.io.*; import java.net.*;
public class HTTPClient { String host = "www.baidu.com"; int port = 80; Socket socket;
public void createSocket() throws UnknownHostException, IOException { socket = new Socket("www.baidu.com", 80); System.out.println("---已连接---"); }
public void communicate() throws IOException { System.out.println("---正在发送数据---"); StringBuffer sb = new StringBuffer("GET "+"/more/"+" HTTP/1.1\r\n"); sb.append("Host: www.baidu.com\r\n"); sb.append("Accept: */*\r\n"); sb.append("Accept-Language： zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3\r\n"); sb.append("Accept-Encoding: gzip, deflate\r\n"); sb.append("User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:32.0) Gecko/20100101 Firefox/32.0\r\n"); sb.append("Connection: keep-alive\r\n\r\n");
// 发出HTTP请求 OutputStream socketOut = socket.getOutputStream(); // 发送数据时，先把字符串形式的请求信息转换为字节数组，再发送 socketOut.write(sb.toString().getBytes()); // socket.shutdownOutput();// 关闭输出流 System.out.println("---完成发送，正在接收数据---"); // 接收响应结果 // 接收数据时，把接收到的字节写到一个ByteArrayOutputStream中（具有可自动增长的缓冲区） InputStream socketIn = socket.getInputStream(); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); byte[] buff = new byte[1024]; int len = -1; while ((len=socketIn.read(buff))!= -1) { buffer.write(buff, 0, len); } System.out.println(new String(buffer.toByteArray())); socket.close(); // 把字节数据转换成字符串 // BufferedReader br = new BufferedReader(new InputStreamReader(socketIn)); // String data; // while ((data=br.readLine()) != null) { // System.out.println(data); // }System.out.println("---完成接收---");
}
public static void main(String[] args) throws Exception { HTTPClient client = new HTTPClient(); client.createSocket(); client.communicate(); }
}
转载于:https://www.cnblogs.com/stay-sober/p/4158796.html
