1.排队取号 取号打印小票，增加订阅接口

src/main/java/com/chaozhanggui/system/cashierservice/controller/TbCallTableController.java

@@ -75,7 +75,7 @@ public class TbCallTableController {
 
     @PutMapping("subMsg")
     public Result subMsg(
-            @RequestBody CallSubMsgDTO subMsgDTO
+            @Validated @RequestBody CallSubMsgDTO subMsgDTO
     ) {
         return Result.successWithData(tbCallService.subMsg(subMsgDTO));
     }

src/main/java/com/chaozhanggui/system/cashierservice/entity/dto/CallSubMsgDTO.java

@@ -2,9 +2,15 @@ package com.chaozhanggui.system.cashierservice.entity.dto;
 
 import lombok.Data;
 
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+
 @Data
 public class CallSubMsgDTO {
+    @NotNull
     private Integer queueId;
+    @NotEmpty
     private String openId;
+    @NotNull
     private Integer shopId;
 }