分页查询

sky-server/src/main/java/com/sky/controller/admin/SetmealController.java

@@ -1,15 +1,14 @@
 package com.sky.controller.admin;
 
 import com.sky.dto.SetmealDTO;
+import com.sky.dto.SetmealPageQueryDTO;
+import com.sky.result.PageResult;
 import com.sky.result.Result;
 import com.sky.service.SetmealService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
 
@@ -33,4 +32,17 @@ public class SetmealController {
         setmealService.saveWithDish(setmealDTO);
         return Result.success();
     }
+
+    /**
+     * 分页查询
+     *
+     * @param setmealPageQueryDTO 请求参数
+     * @return 返回数据
+     */
+    @ApiOperation("分页查询")
+    @GetMapping("page")
+    public Result<PageResult> pageResultResult(SetmealPageQueryDTO setmealPageQueryDTO) {
+        PageResult pageResult = setmealService.pageQuery(setmealPageQueryDTO);
+        return Result.success(pageResult);
+    }
 }

sky-server/src/main/java/com/sky/mapper/SetMealDishMapper.java

@@ -1,10 +1,13 @@
 package com.sky.mapper;
 
+import com.github.pagehelper.Page;
 import com.sky.annotation.AutoFill;
+import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Setmeal;
 import com.sky.entity.SetmealDish;
 import com.sky.enumeration.OperationType;
 import com.sky.vo.DishItemVO;
+import com.sky.vo.SetmealVO;
 import org.apache.ibatis.annotations.Mapper;
 
 import java.util.List;
@@ -41,4 +44,12 @@ public interface SetMealDishMapper {
      * @param setmealDishes List<SetmealDish>
      */
     void insertBatch(List<SetmealDish> setmealDishes);
+
+    /**
+     * 分页查询
+     *
+     * @param setmealPageQueryDTO SetmealPageQueryDTO
+     * @return Page<SetmealVO>
+     */
+    Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
 }

sky-server/src/main/java/com/sky/service/SetmealService.java

@@ -1,7 +1,9 @@
 package com.sky.service;
 
 import com.sky.dto.SetmealDTO;
+import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Setmeal;
+import com.sky.result.PageResult;
 import com.sky.vo.DishItemVO;
 
 import java.util.List;
@@ -31,4 +33,12 @@ public interface SetmealService {
      * @param setmealDTO SetmealDTO
      */
     void saveWithDish(SetmealDTO setmealDTO);
+
+    /**
+     * 分页查询
+     *
+     * @param setmealPageQueryDTO SetmealPageQueryDTO
+     * @return PageResult
+     */
+    PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
 }

sky-server/src/main/java/com/sky/service/impl/SetmealServiceImpl.java

@@ -1,13 +1,18 @@
 package com.sky.service.impl;
 
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
 import com.sky.dto.SetmealDTO;
+import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Setmeal;
 import com.sky.entity.SetmealDish;
 import com.sky.mapper.DishMapper;
 import com.sky.mapper.SetMealDishMapper;
 import com.sky.mapper.SetmealMapper;
+import com.sky.result.PageResult;
 import com.sky.service.SetmealService;
 import com.sky.vo.DishItemVO;
+import com.sky.vo.SetmealVO;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
@@ -70,4 +75,20 @@ public class SetmealServiceImpl implements SetmealService {
         // 保存套餐和菜品的关联关系
         setmealDishMapper.insertBatch(setmealDishes);
     }
+
+    /**
+     * 分页查询
+     *
+     * @param setmealPageQueryDTO SetmealPageQueryDTO
+     * @return PageResult
+     */
+    @Override
+    public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO) {
+        int pageNum = setmealPageQueryDTO.getPage();
+        int pageSize = setmealPageQueryDTO.getPageSize();
+
+        PageHelper.startPage(pageNum, pageSize);
+        Page<SetmealVO> page = setmealDishMapper.pageQuery(setmealPageQueryDTO);
+        return new PageResult(page.getTotal(), page.getResult());
+    }
 }

sky-server/src/main/resources/mapper/SetMealDishMapper.xml

@@ -60,4 +60,28 @@
                  left join dish d on sd.dish_id = d.id
         where sd.setmeal_id = #{setmealId}
     </select>
+
+    <!-- 分页查询 -->
+    <select id="pageQuery" resultType="com.sky.vo.SetmealVO">
+        select
+        s.*,c.name categoryName
+        from
+        setmeal s
+        left join
+        category c
+        on
+        s.category_id = c.id
+        <where>
+            <if test="name != null">
+                and s.name like concat('%',#{name},'%')
+            </if>
+            <if test="status != null">
+                and s.status = #{status}
+            </if>
+            <if test="categoryId != null">
+                and s.category_id = #{categoryId}
+            </if>
+        </where>
+        order by s.create_time desc
+    </select>
 </mapper>