支付寶對帳單下載Java正式商戶調用

時間 2019-12-18

原文原文鏈接

package code;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayDataDataserviceBillDownloadurlQueryRequest;
import com.alipay.api.response.AlipayDataDataserviceBillDownloadurlQueryResponse;

public class AlipayBill {
     //初始化實例請求對象     
    public static String APP_ID = "2017000000000000";   //本身的商戶appid
   // RSA簽名方式使用算法：SHA1withRSA。 注意此處是RSA 的私鑰 是Java版本格式的 若是是用.NET 就要轉換爲.NET版本的格式
    public static String APP_PRIVATE_KEY = "ghjjjjffjjjjkytyyddfsgsaetertrtr..............";  
    
   //RSA2簽名方式使用算法：SHA256withRSA。
 //public static String APP_PRIVATE_KEY ="+zA3RJzhtiL4MIHks4GD++6RuQ/";
    
    //公鑰是能夠公用的在公共平臺配置的 .NET和Java語言的均可以共用。可是要區別 RSA或者是RSA2的公鑰簽名
      public static String ALIPAY_PUBLIC_KEY = "/fEsraprwCtzvzQETrNRwmZkh2QhUrCmZYI"; 
      //rsa2
      // public static String ALIPAY_PUBLIC_KEY ="/aFKRhSS5fHChIzjpMrl";
    
    //開放平臺SDK封裝了簽名實現，只需在建立DefaultAlipayClient對象時，設置請求網關(gateway)，應用id(app_id)，應用私鑰(private_key)，編碼格式(charset)，支付寶公鑰(alipay_public_key)，簽名類型(sign_type)便可，報文請求時會自動進行簽名。
    public static AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do", APP_ID, APP_PRIVATE_KEY, "json", "GBK", 
                    ALIPAY_PUBLIC_KEY,"RSA");  //注意在此處用的RSA簽名類型參數 若是是RSA2的就要傳RSA2參數
 public static String post_bill_date="2017-06-20" ;
 
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        bill_download_url ();//下載對帳單接口 
    }
    public static void  bill_download_url (){ 
      //"  \"bill_date\":\"2017-07-26\""+      時間參數  "+post_bill_date+"
   //帳單時間：日帳單格式爲yyyy-MM-dd，月帳單格式爲yyyy-MM。 
   //帳單參數類型 值 signcustomer 包含 是帳務明細的 也有業務明細的 trade 只有 是業務明細的 在這裏特別注意下 以避免被挖坑了 看官網的容易坑
        AlipayDataDataserviceBillDownloadurlQueryRequest request = new AlipayDataDataserviceBillDownloadurlQueryRequest(); 
                request.setBizContent("{" + 
                "  \"bill_type\":\"trade\"," + 
                "  \"bill_date\":\"2017-07-26\""+ 
                "}"); 
                AlipayDataDataserviceBillDownloadurlQueryResponse response = null; 
               try { 
                       response = alipayClient.execute(request); 
                       System.out.println(response.getBillDownloadUrl());   
                        
               } 
               catch (AlipayApiException e)
               { 
                       e.printStackTrace(); 
               } 
       //調用成功，則處理業務邏輯
       if(response.isSuccess())
         { 
         //將接口返回的對帳單下載地址傳入urlStr  
         String urlStr=response.getBillDownloadUrl(); 
        //指定但願保存的文件路徑 
         String filePath = "D:\\Users\\fund_bill_20170726.csv.zip"; 
         URL url = null; 
         HttpURLConnection httpUrlConnection = null; 
         InputStream fis = null; 
         FileOutputStream fos = null; 
         try { 
             url = new URL(urlStr); 
             httpUrlConnection = (HttpURLConnection) url.openConnection(); 
             httpUrlConnection.setConnectTimeout(5 * 1000); 
             httpUrlConnection.setDoInput(true); 
             httpUrlConnection.setDoOutput(true); 
             httpUrlConnection.setUseCaches(false); 
             httpUrlConnection.setRequestMethod("GET"); 
             httpUrlConnection.setRequestProperty("CHARSET", "UTF-8"); 
             httpUrlConnection.connect(); 
             fis = httpUrlConnection.getInputStream(); 
             byte[] temp = new byte[1024]; 
             int b; 
             fos = new FileOutputStream(new File(filePath)); 
             while ((b = fis.read(temp)) != -1) { 
                 fos.write(temp, 0, b); 
                 fos.flush(); 
             } 
         } catch (MalformedURLException e) { 
             e.printStackTrace(); 
         } catch (IOException e) { 
             e.printStackTrace(); 
         } finally { 
             try { 
                 if(fis!=null) fis.close(); 
                 if(fos!=null) fos.close(); 
                 if(httpUrlConnection!=null) httpUrlConnection.disconnect(); 
             } catch (IOException e) { 
                 e.printStackTrace(); 
             } 
         } 
                
         } 
       } 
}