新版

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

@@ -3,13 +3,19 @@ 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.entity.ShopProductToLabelEntity;
 import com.peanut.modules.book.service.ShopProductLabelService;
+import com.peanut.modules.book.service.ShopProductToLabelService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @RestController
 @RequestMapping("book/label")
 public class ShopProductLabelController {
@@ -17,6 +23,9 @@ public class ShopProductLabelController {
     @Autowired
     private ShopProductLabelService shopProductLabelService;
 
+    @Autowired
+    private ShopProductToLabelService shopProductToLabelService;
+
 
     @RequestMapping("/addLabel")
     public R addLabel(@RequestParam String labelName){
@@ -37,7 +46,36 @@ public class ShopProductLabelController {
 
     @RequestMapping("/delLabel")
     public R delLabel(@RequestParam Integer splId){
+        //确定删除前是否已不存在项目
+        QueryWrapper<ShopProductToLabelEntity> shopProductToLabelEntityQueryWrapper = new QueryWrapper<>();
+        shopProductToLabelEntityQueryWrapper.eq("spl_id",splId);
+        shopProductToLabelEntityQueryWrapper.eq("del_flag",0);
+        ShopProductToLabelEntity shopProductToLabelEntity_check = shopProductToLabelService.getBaseMapper().selectOne(shopProductToLabelEntityQueryWrapper);
+        if(shopProductToLabelEntity_check!=null){
+            return R.error("还有书籍用此标签");
+        }
+        //更新
+        shopProductLabelService.removeById(splId);
+
         return R.ok();
     }
 
+    @RequestMapping("/updateLabel")
+    public R updateLabel(@RequestParam String labelName,@RequestParam Integer splId){
+        ShopProductLabelEntity byId = shopProductLabelService.getById(splId);
+        byId.setLabelName(labelName);
+        shopProductLabelService.updateById(byId);
+        return R.ok();
+    }
+
+
+    @RequestMapping("/getLabels")
+    public R getLabels(){
+        List<ShopProductLabelEntity> shopProductLabelEntities = shopProductLabelService.getBaseMapper().selectList(new QueryWrapper<ShopProductLabelEntity>()
+                .eq("del_flag",0));
+        Map re = new HashMap();
+        re.put("labels",shopProductLabelEntities);
+        return R.ok().put("result",re);
+    }
+
 }

src/main/java/com/peanut/modules/book/dao/ShopProductToLabelDao.java

@@ -0,0 +1,9 @@
+package com.peanut.modules.book.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.peanut.modules.book.entity.ShopProductToLabelEntity;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface ShopProductToLabelDao extends BaseMapper<ShopProductToLabelEntity> {
+}

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

@@ -0,0 +1,26 @@
+package com.peanut.modules.book.entity;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableLogic;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+@TableName("shop_product_to_label")
+public class ShopProductToLabelEntity {
+
+    @TableId
+    private Integer ptlId;
+
+    private Integer productId;
+
+    private Integer splId;
+
+
+    @TableField("del_flag")
+    @TableLogic
+    private  Integer delFlag;
+}

src/main/java/com/peanut/modules/book/service/ShopProductToLabelService.java

@@ -0,0 +1,7 @@
+package com.peanut.modules.book.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.peanut.modules.book.entity.ShopProductToLabelEntity;
+
+public interface ShopProductToLabelService extends IService<ShopProductToLabelEntity> {
+}

src/main/java/com/peanut/modules/book/service/impl/ShopProductToLabelServiceImpl.java

@@ -0,0 +1,11 @@
+package com.peanut.modules.book.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.peanut.modules.book.dao.ShopProductToLabelDao;
+import com.peanut.modules.book.entity.ShopProductToLabelEntity;
+import com.peanut.modules.book.service.ShopProductToLabelService;
+import org.springframework.stereotype.Service;
+
+@Service("ShopProductToLabelService")
+public class ShopProductToLabelServiceImpl extends ServiceImpl<ShopProductToLabelDao, ShopProductToLabelEntity> implements ShopProductToLabelService {
+}