import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;


public class HttpUtil {
public static void httpURLConectionGET(String getUrl) {
try {
URL url = new URL(getUrl); // 把字符串转换为URL请求地址
HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 打开连接
// addRequestProperty添加相同的key不会覆盖，如果相同，内容会以{name1,name2}
connection.addRequestProperty("from", "sfzh"); // 来源哪个系统
// setRequestProperty添加相同的key会覆盖value信息
// setRequestProperty方法，如果key存在，则覆盖；不存在，直接添加。
// addRequestProperty方法，不管key存在不存在，直接添加。
InetAddress address = InetAddress.getLocalHost();

connection.setConnectTimeout(1500);
connection.setReadTimeout(1500);
connection.setRequestProperty("ip", address.getHostAddress()); // 请求来源IP
connection.connect();// 连接会话
// 获取输入流
BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
String line;
StringBuilder sb = new StringBuilder();
while ((line = br.readLine()) != null) {// 循环读取流
sb.append(line);
}
br.close();// 关闭流
connection.disconnect();// 断开连接
System.out.println(getUrl+"------ok");
} catch (Exception e) {
e.printStackTrace();
System.out.println("失败!");
}


}
}