ADD file via upload

src/main/java/com/service/FoodsMaterialInfoService.java

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+package com.example.service;
+
+import cn.hutool.core.collection.CollectionUtil;
+import com.example.dao.FoodsMaterialInfoDao;
+import com.example.entity.FoodsMaterialInfo;
+import com.example.vo.FoodsMaterialInfoVo;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class FoodsMaterialInfoService {
+
+    @Resource
+    private FoodsMaterialInfoDao foodsMaterialInfoDao;
+
+    public FoodsMaterialInfo add(FoodsMaterialInfo info) {
+        foodsMaterialInfoDao.insertSelective(info);
+        return info;
+    }
+
+    public void delete(Long id) {
+        foodsMaterialInfoDao.deleteByPrimaryKey(id);
+    }
+
+    public void update(FoodsMaterialInfo info) {
+        foodsMaterialInfoDao.updateByPrimaryKeySelective(info);
+    }
+
+    public FoodsMaterialInfoVo findById(Long id) {
+        List<FoodsMaterialInfoVo> list = foodsMaterialInfoDao.findByNameAndId(null, id);
+        if (!CollectionUtil.isEmpty(list)) {
+            return list.get(0);
+        }
+        return new FoodsMaterialInfoVo();
+    }
+
+    public List<FoodsMaterialInfoVo> findAll() {
+        return foodsMaterialInfoDao.findByNameAndId("all", null);
+    }
+
+    public PageInfo<FoodsMaterialInfoVo> findPage(String name, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<FoodsMaterialInfoVo> info = foodsMaterialInfoDao.findByNameAndId(name, null);
+        return PageInfo.of(info);
+    }
+}