Mybatis-plus中操作JSON字段

1.实体类上要加上自动映射

@TableName(value = "school", autoResultMap = true)

2.json字段上加上json处理器

 @TableField(value = "cover_url", typeHandler = JacksonTypeHandler.class)private List<String> cover_url;

参考博客
http://www.dedeyun.com/it/java/105546.html