HTTP是基于Socket之上的协议。HTTP Get是从服务器上获取数据。
服务地址: http://127.0.0.1:8080/web/page/index.jsp
模拟调用:
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
public class GetSocket {
/**
* @param args
*/
public static void main(String[] args) {
Socket socket = null;
BufferedWriter writer = null;
BufferedReader reader = null;
try {
socket = new Socket("127.0.0.1",8080);
OutputStream output = socket.getOutputStream();
writer = new BufferedWriter(new OutputStreamWriter(output));
InputStream input = socket.getInputStream();
reader = new BufferedReader(new InputStreamReader(input));
//===========请求参数===========
writer.write("GET /web/page/index.jsp?name=index&value=jsp HTTP/1.1");
writer.write("\r\n");
writer.write("User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0");
writer.write("\r\n");
writer.write("Host: 127.0.0.1:8080");
writer.write("\r\n");
writer.write("Proxy-Connection: Keep-Alive");
writer.write("\r\n");
writer.write("\r\n");
writer.flush();
//===========响应内容===========
String str = null;
while((str=reader.readLine())!=null){
System.out.println(str);
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}