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java如何寫併發post請求-hey1212

package http;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.*;

/**
 * @Author: dingya
 * @Description:
 * @Date: Created in 20:37 2018/12/12
 */
public
class DoPost { public static void main(String[] args) { ThreadPoolExecutor threadPool = new ThreadPoolExecutor(10, 15, 60, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>()); for (int i = 0; i < 5; i++) { final Timer00 timer00 = new Timer00(); threadPool.execute(
new Runnable() { public void run() { timer00.start(); makeParamAndPost(); System.out.println("執行時間" + timer00.end()); } }); if (i == 4) { threadPool.shutdown(); } } }
public static void makeParamAndPost() { String url = "http://www.taobao.com"; String param = "name1=1&name2=2"; String s = sendPost(url, param); System.out.println(s); } /** * 向指定 URL 傳送POST方法的請求 * * @param url 傳送請求的 URL * @param param 請求引數,請求引數應該是 name1=value1&name2=value2 的形式。 * @return 所代表遠端資源的響應結果 */ public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 開啟和URL之間的連線 URLConnection conn = realUrl.openConnection(); // 設定通用的請求屬性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 傳送POST請求必須設定如下兩行 conn.setDoOutput(true); conn.setDoInput(true); // 獲取URLConnection物件對應的輸出流 out = new PrintWriter(conn.getOutputStream()); // 傳送請求引數 out.print(param); // flush輸出流的緩衝 out.flush(); // 定義BufferedReader輸入流來讀取URL的響應 in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("傳送 POST 請求出現異常!" + e); e.printStackTrace(); } // 使用finally塊來關閉輸出流、輸入流 finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; } }