package http; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; public class HttpClientMy { private Socket socket = null; public HttpClientMy createSocket() { try { socket = new Socket("www.baidu.com", 80); } catch (IOException e) { e.printStackTrace(); } return this; } public HttpClientMy communciate() { StringBuffer requestBuilder = new StringBuffer("GET / HTTP/1.1\r\n"); requestBuilder.append("Host: www.baidu.com\r\n"); requestBuilder.append("User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0\r\n"); requestBuilder.append("Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"); requestBuilder.append("Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3"); requestBuilder.append("Accept-Encoding: \r\n"); requestBuilder.append("Connection: keep-alive\r\n"); requestBuilder.append("Upgrade-Insecure-Requests: 1\r\n"); requestBuilder.append("\r\n"); System.out.println(requestBuilder.toString()); try{ OutputStream out = socket.getOutputStream(); out.write(requestBuilder.toString().getBytes()); InputStream in = socket.getInputStream(); ByteArrayOutputStream response = new ByteArrayOutputStream(); byte[] block = new byte[1024]; while (in.read(block) != -1) { response.write(block); } System.out.println(new String(response.toByteArray())); socket.close(); } catch (IOException e) { e.printStackTrace(); } return this; } public static void main(String[] args) { HttpClientMy client = new HttpClientMy().createSocket().communciate(); } }
JAVA 实现 Http Client 的小demo
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转载自blog.csdn.net/zhangzhetaojj/article/details/80425168
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