转换映射

src/main/java/com/usky/dxtop/model/Dish.java

@@ -4,6 +4,8 @@ import com.alibaba.fastjson.annotation.JSONField;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
@@ -30,6 +32,7 @@ public class Dish implements Serializable {
     /**
      * 序列号
      */
+    @JsonSerialize(using= ToStringSerializer.class)
     @TableId(value = "seq",type = IdType.INPUT)
     private Long seq;
     /**