基于laravel belongsTo使用详解_php实例_

 CREATE TABLE `order` ( `id` char(16) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '订单号', `user_id` bigint(20) NOT NULL DEFAULT '0' COMMENT '用户id', UNIQUE KEY `id` (`id`), KEY `user_id` (`user_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='订单表';

 CREATE TABLE `user` ( `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '用户id', PRIMARY KEY (`id`), `username` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '姓名', `password` char(60) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '密码', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=10009866 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='用户表'

 public function user() { return $this->belongsTo('Models\User'); }

 public function user() { return $this->belongsTo('Models\User', 'user_id', 'uid'); }

 { "id": 17021423166486, "user_id": 10000003, "user": { "id": 10000003, "username": "", } }