1.代客下单，折扣

eladmin-system/src/main/java/cn/ysk/cashier/dto/shoptable/PayDTO.java

@@ -2,6 +2,8 @@ package cn.ysk.cashier.dto.shoptable;
 
 import lombok.Data;
 
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
 import javax.validation.constraints.NotEmpty;
 import javax.validation.constraints.NotNull;
 
@@ -13,4 +15,7 @@ public class PayDTO {
     private Integer orderId;
     @NotEmpty
     private String payType;
+    @Min(0)
+    @Max(1)
+    private Double discount;
 }