济菏高速数据中心代码
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package com.zc.business.utils;
import com.alibaba.fastjson.JSONObject;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpUtil {
public static String getJsonData(JSONObject jsonParam, String urls) {
StringBuffer sb = new StringBuffer();
try {
// 创建url资源
URL url = new URL(urls);
// 建立http连接
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
// 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("contentType", "application/json");
// 开始连接请求
conn.connect();
//OutputStream out = new DataOutputStream(conn.getOutputStream()) ;
//防止消息乱码
OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream(), "utf-8");
// 写入请求的字符串
out.write(jsonParam.toString());
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) {
}
return sb.toString();
}
}