example
/**
* Created by JerryLiu on 2018/12/12.
*/
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.json.JSONObject;
public class Main {
public static String postToAlert(JSONObject jsonParam) {
StringBuffer sb=new StringBuffer();
try {
// 创建url资源
URL url = new URL("http://api.onealert.com/alert/api/event/");
// 建立http连接
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
// conn.setRequestProperty("User-Agent","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36");
// 设置允许输出
conn.setDoOutput(true);
// 设置允许输入
conn.setDoInput(true);
// 设置不用缓存
conn.setUseCaches(false);
// 设置传递方式
conn.setRequestMethod("POST");
// 设置维持长连接
conn.setRequestProperty("Connection", "Keep-Alive");
// 设置文件字符集:
//conn.setRequestProperty("Charset", "UTF-8");
// 转换为字节数组
byte[] data = (jsonParam.toString()).getBytes();
// 设置文件长度
conn.setRequestProperty("Content-Length", String.valueOf(data.length));
// 设置文件类型:
conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
// 开始连接请求
conn.connect();
OutputStream out = new DataOutputStream(conn.getOutputStream()) ;
System.out.println((jsonParam.toString()));
// 写入请求的字符串
out.write((jsonParam.toString()).getBytes());
out.flush();
out.close();
System.out.println(conn.getResponseCode());
// 请求返回的状态
if (HttpURLConnection.HTTP_OK == conn.getResponseCode()){
System.out.println("连接成功");
// 请求返回的数据
InputStream in1 = conn.getInputStream();
try {
String readLine=new String();
BufferedReader responseReader=new BufferedReader(new InputStreamReader(in1,"UTF-8"));
while((readLine=responseReader.readLine())!=null){
sb.append(readLine).append("\n");
}
responseReader.close();
//System.out.println(sb.toString());
} catch (Exception e1) {
e1.printStackTrace();
}
} else {
System.out.println("error++");
}
} catch (Exception e) {
e.printStackTrace();
}
return sb.toString();
}
public static void main(String[] args) {
JSONObject jsonParam = new JSONObject();
jsonParam.put("app", "change-to-your-appkey"); // 登录 www.onealert.com,添加/查看应用获取 appkey
jsonParam.put("eventType", "trigger");
jsonParam.put("eventId", "12345");
jsonParam.put("alarmContent", "aaa");
jsonParam.put("entityName", "bbb");
jsonParam.put("priority", 1);
String data = postToAlert(jsonParam);
System.out.println(data);
}
}