|  |  | 
 |  |  | import com.alibaba.fastjson2.annotation.JSONField; | 
 |  |  | import com.alibaba.fastjson2.writer.ObjectWriterImplToString; | 
 |  |  | import com.baomidou.mybatisplus.annotation.IdType; | 
 |  |  | import com.baomidou.mybatisplus.annotation.TableField; | 
 |  |  | import com.baomidou.mybatisplus.annotation.TableId; | 
 |  |  | import com.baomidou.mybatisplus.annotation.TableName; | 
 |  |  | import com.dy.common.po.BaseEntity; | 
 |  |  | 
 |  |  |     /** | 
 |  |  |     * 作物外键 | 
 |  |  |     */ | 
 |  |  |     @JSONField(serializeUsing= ObjectWriterImplToString.class) | 
 |  |  |     @Schema(description = "所属的作物", requiredMode = Schema.RequiredMode.REQUIRED) | 
 |  |  |     @NotNull(message = "所属的作物不能为空") //不能为空也不能为null | 
 |  |  |     public Long cropId; | 
 |  |  | 
 |  |  |     /** | 
 |  |  |     * 气象站id | 
 |  |  |     */ | 
 |  |  |     @JSONField(serializeUsing= ObjectWriterImplToString.class) | 
 |  |  |     @Schema(description = "关联的气象站", requiredMode = Schema.RequiredMode.REQUIRED) | 
 |  |  |     @NotNull(message = "关联的气象站不能为空") //不能为空也不能为null | 
 |  |  |     public Long weatherId; | 
 |  |  | 
 |  |  |     * 蒸腾量 | 
 |  |  |     */ | 
 |  |  |     @Schema(description = "本日作物蒸腾量", requiredMode = Schema.RequiredMode.NOT_REQUIRED) | 
 |  |  |     @JsonFormat(shape = JsonFormat.Shape.NUMBER, pattern = "0.00") | 
 |  |  |     public Double et0; | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 非数据库表属性 | 
 |  |  |      * 关联的 作物名称 | 
 |  |  |      */ | 
 |  |  |     @Schema(description = "关联的作物名称", requiredMode = Schema.RequiredMode.NOT_REQUIRED) | 
 |  |  |     @TableField(exist = false) | 
 |  |  |     public String cropName; | 
 |  |  |  | 
 |  |  | } |