package com.ucmed.hnust.util;
import com.alibaba.fastjson.JSONObject;
import org.apache.log4j.Logger;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
import java.util.Map;
/**
* Created by ZY-LJ-1446 on 2018/4/18.
*/
public class HttpRequestPost {
private static final Logger logger = Logger.getLogger(HttpRequestPost.class);
public static JSONObject HttpRequest(String requestUrl, String requestMethod,
String outputStr) {
JSONObject jsonObject = null;
StringBuffer buffer = new StringBuffer();
OutputStream out = null;
InputStream input = null;
InputStreamReader inputReader = null;
BufferedReader reader = null;
HttpURLConnection connection = null;
try {
// 建立連接
URL url = new URL(requestUrl);
connection = (HttpURLConnection) url.openConnection();
// 設置通用的請求屬性 start 看需要自行增加和刪除
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
conn.setRequestProperty("Accept-Charset", "UTF-8");
conn.setRequestProperty("contentType", "UTF-8");
conn.setRequestProperty("Accept-Language", Locale.getDefault().toString());
// 設置通用的請求屬性 end
// 設置http頭部信息
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestMethod(requestMethod);
connection.setConnectTimeout(6000);
connection.setReadTimeout(6000);
// 寫入消息實體
if (outputStr != null) {
out = connection.getOutputStream();
out.write(outputStr.getBytes("UTF-8"));
}
// flush輸出流的緩衝
out.flush();
// 流處理
input = connection.getInputStream();
inputReader = new InputStreamReader(input, "UTF-8");
reader = new BufferedReader(inputReader);
// 方式二 start
//reader = new BufferedReader(new InputStreamReader(
// conn.getInputStream(), "UTF-8"));
// 方式二 end
String line;
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
jsonObject = JSONObject.parseObject(buffer.toString());
} catch (Exception e) {
//日誌處理等,請自行實現
} finally {
try {
if (out != null) {
out.close();
}
if (input != null) {
input.close();
}
if (reader != null) {
reader.close();
}
if (inputReader != null) {
inputReader.close();
}
if (connection != null)
{
connection.disconnect();
}
} catch (Exception e) {
//日誌處理等,請自行實現
logger.info(e.toString());
}
}
return jsonObject;
}
/**
* post請求(用於請求json格式的參數) 廢棄
* @param url
* @param params
* @return
*/
/*public static String doPost(String url, String params) throws Exception {
CloseableHttpClient httpclient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);// 創建httpPost
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-Type", "application/json");
String charSet = "UTF-8";
StringEntity entity = new StringEntity(params, charSet);
httpPost.setEntity(entity);
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httpPost);
StatusLine status = response.getStatusLine();
int state = status.getStatusCode();
if (state == HttpStatus.SC_OK) {
HttpEntity responseEntity = response.getEntity();
String jsonString = EntityUtils.toString(responseEntity);
return jsonString;
}
else{
logger.error("請求返回:"+state+"("+url+")");
}
}
finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}*/
}