import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;

/**
*
* @author 金訊通12345介面呼叫
*
*/
public class HttpKxtUtils {

/**
 * HttpClient 處理方式
 * @param content  傳送請求的內容  字元型別  TokenKey=cec084dfd89a0efe2bf742f7c98f7e8625547460&Name=anyd&Telephone=13594866323&Title=5554545&Content=ddd&Source=2&DataID=1111111111&TypeIndex=0&ImageList=2565
 * @param url    請求地址
 * @return
 * @author anyd
 */
public static String httpClientDoPost(String url,String content){
    try {
        // 將引數轉為二進位制流
        byte[] requestBytes = content.getBytes("utf-8");
        HttpClient httpClient = new HttpClient();
        PostMethod postMethod = new PostMethod(url);
         // 設定請求頭  Content-Type
        postMethod.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        InputStream inputStream = new ByteArrayInputStream(requestBytes, 0,
                requestBytes.length);
        RequestEntity requestEntity = new InputStreamRequestEntity(inputStream,
                requestBytes.length, "application/json; charset=utf-8"); // 請求體
        postMethod.setRequestEntity(requestEntity);
        httpClient.executeMethod(postMethod);// 執行請求
        InputStream soapResponseStream = postMethod.getResponseBodyAsStream();// 獲取返回的流
        byte[] datas = null;
        try {
            datas = readInputStream(soapResponseStream);// 從輸入流中讀取資料
        } catch (Exception e) {
            e.printStackTrace();
        }
        String result = new String(datas, "UTF-8");// 將二進位制流轉為String
        return result;
    } catch (Exception e) {
        e.printStackTrace();
    } 
    return null;
}


/**
 * 從輸入流中讀取資料
 * 
 * @param inStream
 * @return
 * @throws Exception
 */
public static byte[] readInputStream(InputStream inStream) throws Exception {
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len = 0;
    while ((len = inStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }
    byte[] data = outStream.toByteArray();
    outStream.close();
    inStream.close();
    return data;
}

/**
 * HttpURLconnection  處理方式
 * @param urlPath
 * @param content
 * @return
 */
public static String httpURLDoPost(String urlPath,String content){
   try {
        URL url = new URL(urlPath);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");//設定本次請求的方式
        conn.setReadTimeout(5000);//設定請求時間
        conn.setDoInput(true);//是否開啟輸入流  預設為 true
        conn.setDoOutput(true);//是否開啟輸出流  預設為false
         //設定請求的內容型別
        conn.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
        conn.connect();//表示連線
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream(), "UTF-8"));
        writer.write(content);
        writer.close();
        int code = conn.getResponseCode();
        String result = "";
        if(code ==HttpURLConnection.HTTP_OK ){
            InputStream inputStream = conn.getInputStream();
            byte[] datas = readInputStream(inputStream);// 從輸入流中讀取資料
            result = new String(datas, "UTF-8");// 將二進位制流轉為String
        }else{
            System.out.println(urlPath+"連線失敗");
            result = urlPath+"連線失敗";
        }
        return result;
    } catch (Exception e) {
        e.printStackTrace();
    }
   return null;
}
 

}