|  |  | 
 |  |  | import com.baomidou.mybatisplus.annotation.TableId; | 
 |  |  | import com.baomidou.mybatisplus.annotation.TableName; | 
 |  |  | import com.dy.common.po.BaseEntity; | 
 |  |  | import com.fasterxml.jackson.annotation.JsonFormat; | 
 |  |  | import io.swagger.v3.oas.annotations.media.Schema; | 
 |  |  | import jakarta.validation.constraints.NotBlank; | 
 |  |  | import jakarta.validation.constraints.NotNull; | 
 |  |  | 
 |  |  |      * 覆盖面积(平方公里) | 
 |  |  |      */ | 
 |  |  |     @Schema(description = "覆盖面积", requiredMode = Schema.RequiredMode.REQUIRED) | 
 |  |  |     @JsonFormat(shape = JsonFormat.Shape.NUMBER_FLOAT, pattern="0.00" ) | 
 |  |  |     private Double area; | 
 |  |  |  | 
 |  |  |     /** |