http authorization basic請求代碼示例

/**
 * 
 */
package testJava.java;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Base64;

/**
 * @author xxx
 * @function 
 * @date 2016年4月12日
 * @version
 */
public class Zuzuche {

    public static String appPost(Object jsonBean, String reqUrl,String method) throws Exception{
        //發送數據
        HttpURLConnection conn;
        try {
            URL url = new URL(reqUrl);
            conn = (HttpURLConnection) url.openConnection();
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setInstanceFollowRedirects(false);//是否自動處理重定向
            conn.setRequestMethod(method);
//                    conn.setRequestProperty("User-Agent", "xxxEs_console");
//                    conn.setRequestProperty("Content-Type","application/x-gzip");
            conn.setRequestProperty("Host", "xxx.yyy.com");
            conn.setRequestProperty("Connection", "keep-alive"); 
            //base64編碼的"user:passwd"字符串。如果沒有，或者用戶密碼不對，則返回http code 401頁面給客戶端
            //Authorization: "Basic 用戶名和密碼的base64加密字符串",注意用戶名和密碼中間的冒號.
            conn.setRequestProperty("Authorization", "Basic xfdfsfwUxMTc1LWhQQCZ9fjpjfdsfsfesOw==");
            conn.connect();
            
            //接收返回數據
            InputStream in = conn.getInputStream();
//                    GZIPInputStream gzin = new GZIPInputStream(in);
//                    BufferedReader reader = new BufferedReader(new InputStreamReader(gzin,"UTF-8"));
            BufferedReader reader = new BufferedReader(new InputStreamReader(in,"UTF-8"));
            
            String line;
            StringBuffer sb=new StringBuffer();
            while ((line = reader.readLine()) != null) {
                sb.append(line);
            }
            reader.close();
            conn.disconnect();
            return sb.toString();
        } catch (Exception e) {
            throw e;
        }
    }
    
    public static void main(String[] args) {
        //base64加密
        byte[] auth = Base64.getEncoder().encode("用戶名:密碼".getBytes());
        String sauth = new String(auth);
        System.out.println("sauth="+sauth);
        
        //或者: 用戶名:密碼@url.com方式請求,在火狐瀏覽器上面.
        
        String url = "http://xxx.yyy.com/2.0/standard/queryStatistic.php?beginDate=2016-04-01&endDate=2016-04-02";
        try {
            System.out.println("url="+ url);
            String result = appPost(null, url, "GET");
            
            System.err.println("接口調用返回結果：" + result);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}