gorm 关联关系

文章表数据语句

CREATE TABLE `posts` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `category_id` int(11) unsigned NOT NULL DEFAULT '0',
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  `deleted_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `post-test` (`text`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8mb4 COMMENT='文章';

分类表数据语句

CREATE TABLE `old_liu_categories` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  `deleted_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COMMENT='分类';

文章的model

type Posts struct {
	ID uint