修改了银联支付的代码模块，修改了配置文件

src/main/java/com/xkrs/unionpay/controller/UnionpayController.java

@@ -9,6 +9,8 @@ import com.google.zxing.qrcode.QRCodeWriter;
 import com.xkrs.unionpay.bean.DemoBase;
 import com.xkrs.unionpay.service.UnionpayService;
 import com.xkrs.unionpay.util.AcpService;
+import com.xkrs.unionpay.util.LogUtil;
+import com.xkrs.unionpay.util.SDKConfig;
 import com.xkrs.unionpay.util.SDKConstants;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -38,6 +40,7 @@ public class UnionpayController {
     @Resource
     private UnionpayService unionpayService;
 
+
     @RequestMapping("/pay")
     public void pay(HttpServletResponse response) throws Exception{
         String qrCode=unionpayService.pay(DemoBase.getOrderId(),"200");
@@ -83,7 +86,8 @@ public class UnionpayController {
 
 
         Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
-        hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); // 内容所使用字符集编码
+        // 内容所使用字符集编码
+        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
 
         BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
                 BarcodeFormat.QR_CODE, 200, 200, hints);
@@ -100,6 +104,7 @@ public class UnionpayController {
         MatrixToImageWriter.writeToStream(bitMatrix,"png",outputStream);*/
     }
 
+
     @RequestMapping("/notify")
     public void hello2(HttpServletRequest request, HttpServletResponse response) throws Exception{
         Map<String,String> result=new HashMap<>();

src/main/java/com/xkrs/unionpay/service/impl/UnionpayServiceImpl.java

@@ -67,12 +67,12 @@ public class UnionpayServiceImpl implements UnionpayService {
             if (AcpService.validate(rspData, DemoBase.encoding)) {
                 LogUtil.writeLog("验证签名成功");
                 String respCode = rspData.get("respCode");
-
                 if (("00").equals(respCode)) {
                     System.out.println("受理成功");
                     //TODO
 
                     qrCode=rspData.get("qrCode");
+                    System.out.println("---------" + qrCode);
                 } else {
                     //其他应答码为失败请排查原因或做失败处理
                     //TODO

src/main/resources/application.properties

@@ -144,7 +144,7 @@ acpsdk.ifValidateCNName=false
 acpsdk.ifValidateRemoteCert=false
 
 #后台通知地址，填写接收银联后台通知的地址，必须外网能访问
-acpsdk.backUrl=http://222.222.222.222:8080/ACPSample_QRC/backRcvResponse
+acpsdk.backUrl=http://8.136.100.69:6801/ACPSample_QRC/backRcvResponse
 
 #前台通知地址，填写处理银联前台通知的地址，必须外网能访问（二维码产品用不到）
 acpsdk.frontUrl=http://localhost:8080/ACPSample_QRC/frontRcvResponse