菜品信息分页查询

liuxiaobu666 · Jul 21, 2022 · 53c4880 · 53c4880
1 parent 595760b
commit 53c4880
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Showing 5 changed files with 68 additions and 7 deletions.
diff --git a/reggie_server/src/main/java/com/reggie/controller/admin/DishController.java b/reggie_server/src/main/java/com/reggie/controller/admin/DishController.java
@@ -1,16 +1,15 @@
 package com.reggie.controller.admin;
 
 import com.reggie.dto.DishDTO;
+import com.reggie.dto.DishPageQueryDTO;
+import com.reggie.result.PageResult;
 import com.reggie.result.R;
 import com.reggie.service.DishService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping("/admin/dish")
@@ -24,15 +23,31 @@ public class DishController {
 
     /**
      * 添加菜品
-     * @param dishDTO  分类id，菜品描述，口味，菜品id,菜品图片路径，菜品名称，菜品价格，菜品状态
+     *
+     * @param dishDTO 分类id，菜品描述，口味，菜品id,菜品图片路径，菜品名称，菜品价格，菜品状态
      * @return success
      */
     @PostMapping
     @ApiOperation("新增菜品")
     public R<String> save(@RequestBody DishDTO dishDTO) {
-        log.info("添加菜品:{}",dishDTO);
+        log.info("添加菜品:{}", dishDTO);
         dishService.save(dishDTO);
         return R.success("菜品添加成功");
     }
 
+
+    /**
+     * 菜品信息分页查询
+     *
+     * @param dishPageQueryDTO 页数，每页记录数，菜品名称，分类id，菜品售卖状态
+     * @return PageResult 总页数，菜品对象
+     */
+    @GetMapping("/page")
+    @ApiOperation("菜品信息分页查询")
+    public R<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
+        log.info("菜品信息分页查询:{}", dishPageQueryDTO);
+        PageResult pageResult = dishService.page(dishPageQueryDTO);
+        return R.success(pageResult);
+    }
+
 }
diff --git a/reggie_server/src/main/java/com/reggie/mapper/DishFlavorMapper.java b/reggie_server/src/main/java/com/reggie/mapper/DishFlavorMapper.java
@@ -1,6 +1,9 @@
 package com.reggie.mapper;
 
+import com.github.pagehelper.Page;
+import com.reggie.dto.DishPageQueryDTO;
 import com.reggie.entity.DishFlavor;
+import com.reggie.vo.DishVO;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
@@ -11,4 +14,7 @@ public interface DishFlavorMapper {
 
     //插入菜品口味
     void insert(@Param("flavors") List<DishFlavor> flavors);
+
+    //菜品信息分页查询
+    Page<DishVO> PageQuery(DishPageQueryDTO dishPageQueryDTO);
 }
diff --git a/reggie_server/src/main/java/com/reggie/service/DishService.java b/reggie_server/src/main/java/com/reggie/service/DishService.java
@@ -1,9 +1,14 @@
 package com.reggie.service;
 
 import com.reggie.dto.DishDTO;
+import com.reggie.dto.DishPageQueryDTO;
+import com.reggie.result.PageResult;
 
 public interface DishService {
 
     //添加菜品
     void save(DishDTO dishDTO);
+
+    //菜品信息分页查询
+    PageResult page(DishPageQueryDTO dishPageQueryDTO);
 }
diff --git a/reggie_server/src/main/java/com/reggie/service/impl/DishServiceImpl.java b/reggie_server/src/main/java/com/reggie/service/impl/DishServiceImpl.java
@@ -1,11 +1,16 @@
 package com.reggie.service.impl;
 
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
 import com.reggie.dto.DishDTO;
+import com.reggie.dto.DishPageQueryDTO;
 import com.reggie.entity.Dish;
 import com.reggie.entity.DishFlavor;
 import com.reggie.mapper.DishFlavorMapper;
 import com.reggie.mapper.DishMapper;
+import com.reggie.result.PageResult;
 import com.reggie.service.DishService;
+import com.reggie.vo.DishVO;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -46,14 +51,26 @@ public void save(DishDTO dishDTO) {
         }
 
         //循环添加id
-        flavors.forEach( item -> {
+        flavors.forEach(item -> {
             //设置口味关联的菜品id
             item.setDishId(dishId);
         });
 
         //插入菜品口味
         dishFlavorMapper.insert(flavors);
+    }
 
+    /**
+     * 菜品信息分页查询
+     *
+     * @param dishPageQueryDTO 页数，每页记录数，菜品名称，分类id，菜品售卖状态
+     * @return PageResult 总页数，菜品对象
+     */
+    public PageResult page(DishPageQueryDTO dishPageQueryDTO) {
+        //分页插件自动填充分页命令
+        PageHelper.startPage(dishPageQueryDTO.getPage(), dishPageQueryDTO.getPageSize());
+        Page<DishVO> page = dishFlavorMapper.PageQuery(dishPageQueryDTO);
 
+        return new PageResult(page.getTotal(), page.getResult());
     }
 }
diff --git a/reggie_server/src/main/resources/mapper/DishFlavorMapper.xml b/reggie_server/src/main/resources/mapper/DishFlavorMapper.xml
@@ -9,4 +9,22 @@
             (#{flavor.dishId},#{flavor.name},#{flavor.value})
         </foreach>
     </insert>
+
+    <!--菜品信息分页查询-->
+    <select id="PageQuery" resultType="com.reggie.vo.DishVO">
+        select d.*,c.name as categoryName
+        from dish d left join category c on c.id = d.category_id
+        <where>
+            <if test="name !=null and name !=''">
+                d.name like "%"#{name}"%"
+            </if>
+            <if test="categoryId != null">
+                and d.category_id = #{categoryId}
+            </if>
+            <if test="status != null">
+                and d.status = #{status}
+            </if>
+        </where>
+        order by d.create_time desc
+    </select>
 </mapper>