有個互聯網上的網址:https://wtsz.jyzq.cn/ywcl.jsp?type=l&yybdm=1100&market=Z&userName=11009341&pwd=870221&ip=3.3.3.3&serverName=jyzq.cn,是HTTPS協議的,如何經過JAVA程序可以調用該地址獲得正確的返回數據。
當前這個地址是能夠經過瀏覽器訪問的,須要在後臺經過JAVA程序來訪問。html
import java.io.IOException; import java.io.InputStreamReader; import java.net.URL; import javax.net.ssl.HttpsURLConnection; public class Test { public static void main(String[] args) throws IOException { URL reqURL = new URL( "https://wtsz.jyzq.cn/ywcl.jsp?type=l&yybdm=1100&market=Z&userName=11009341&pwd=870221&ip=3.3.3.3&serverName=jyzq.cn"); // 建立URL對象 HttpsURLConnection httpsConn = (HttpsURLConnection) reqURL .openConnection(); /* * 下面這段代碼實現向Web頁面發送數據,實現與網頁的交互訪問 httpsConn.setDoOutput(true); * OutputStreamWriter out = new * OutputStreamWriter(huc.getOutputStream(), "8859_1"); out.write( "……" * ); out.flush(); out.close(); */ // 取得該鏈接的輸入流,以讀取響應內容 InputStreamReader insr = new InputStreamReader( httpsConn.getInputStream()); // 讀取服務器的響應內容並顯示 int respInt = insr.read(); while (respInt != -1) { System.out.print((char) respInt); respInt = insr.read(); } } }
Output:java
0##P8ZU08YAE77TFB9T4HRC93ZGBOZNSHDY瀏覽器
Groovy version:
安全
import javax.net.ssl.HttpsURLConnection URL reqURL = new URL( "https://wtsz.jyzq.cn/ywcl.jsp?type=l&yybdm=1100&market=Z&userName=11009341&pwd=870221&ip=3.3.3.3&serverName=jyzq.cn"); // 建立URL對象 HttpsURLConnection httpsConn = (HttpsURLConnection) reqURL .openConnection(); /* * 下面這段代碼實現向Web頁面發送數據,實現與網頁的交互訪問 httpsConn.setDoOutput(true); * OutputStreamWriter out = new * OutputStreamWriter(huc.getOutputStream(), "8859_1"); out.write( "……" * ); out.flush(); out.close(); */ // 取得該鏈接的輸入流,以讀取響應內容 InputStreamReader insr = new InputStreamReader( httpsConn.getInputStream()); // 讀取服務器的響應內容並顯示 int respInt = insr.read(); while (respInt != -1) { System.out.print((char) respInt); respInt = insr.read(); } //Output: //0##NQRCHIG6G7WJWMLKI5F1ETEGINNWT44X
注意:我用的 JAVA 8 64位版本。 聽說之前在 JAVA 中, 訪問 HTTPS 協議是挺麻煩的。服務器
http://blog.csdn.net/today1858/article/details/5859876 spa
http://www.cnblogs.com/devinzhang/archive/2012/02/28/2371631.html.net