新版

src/main/java/com/peanut/modules/book/controller/ShopProductLabelController.java

@@ -1,5 +1,6 @@
 package com.peanut.modules.book.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.peanut.common.utils.R;
 import com.peanut.modules.book.entity.ShopProductLabelEntity;
 import com.peanut.modules.book.service.ShopProductLabelService;
@@ -19,10 +20,24 @@ public class ShopProductLabelController {
 
     @RequestMapping("/addLabel")
     public R addLabel(@RequestParam String labelName){
+
+        //同名不能添加
+        QueryWrapper<ShopProductLabelEntity> shopProductLabelEntityQueryWrapper = new QueryWrapper<ShopProductLabelEntity>();
+        shopProductLabelEntityQueryWrapper.eq("label_name",labelName);
+        ShopProductLabelEntity shopProductLabelEntity_check = shopProductLabelService.getBaseMapper().selectOne(shopProductLabelEntityQueryWrapper);
+        if(shopProductLabelEntity_check!=null){
+            return R.error("不可添加已存在的项目");
+        }
+
         ShopProductLabelEntity shopProductLabelEntity = new ShopProductLabelEntity();
         shopProductLabelEntity.setLabelName(labelName);
         shopProductLabelService.save(shopProductLabelEntity);
         return R.ok();
     }
 
+    @RequestMapping("/delLabel")
+    public R delLabel(@RequestParam Integer splId){
+        return R.ok();
+    }
+
 }

src/main/java/com/peanut/modules/book/entity/ShopProductLabelEntity.java

@@ -20,6 +20,7 @@ public class ShopProductLabelEntity {
     @TableId
     private Integer splId;
 
+    @TableField("label_name")
     private String labelName;
 
     private Date ctime;