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hai-cweb/src/main/java/com/cweb/controller/pay/UnionPayController.java

@@ -31,6 +31,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.BufferedOutputStream;
 import java.math.BigDecimal;
+import java.net.URLDecoder;
 import java.util.*;
 
 @Controller
@@ -88,7 +89,10 @@ public class UnionPayController {
             log.info(params);
 
             if (StringUtils.isNotBlank(params)) {
-                JSONObject body = JSONObject.parseObject(params.substring(0, params.length() - 1));
+                // 参数解码
+                String paramsStr = URLDecoder.decode(params,"utf-8");
+                // 转换成JSON格式
+                JSONObject body = JSONObject.parseObject(paramsStr.substring(0, paramsStr.length() - 1));
                 if (StringUtils.isNotBlank(body.getString("tradetrace"))) {
                     // 查询订单信息
                     HighOrder order = highOrderService.getOrderByOrderNo(body.getString("tradetrace"));