29 lines
975 B
SQL
29 lines
975 B
SQL
-- 系统公告表
|
||
CREATE TABLE `announcements` (
|
||
`id` INT AUTO_INCREMENT PRIMARY KEY,
|
||
`title` VARCHAR(128) NOT NULL,
|
||
`content` TEXT NOT NULL,
|
||
`publisher_id` INT NOT NULL,
|
||
`is_top` TINYINT DEFAULT 0, -- 是否置顶
|
||
`status` TINYINT DEFAULT 1, -- 1有效 0撤回/禁用
|
||
`created_at` DATETIME NOT NULL,
|
||
`updated_at` DATETIME NOT NULL,
|
||
FOREIGN KEY (`publisher_id`) REFERENCES `users`(`id`)
|
||
);
|
||
|
||
-- 用户消息通知表
|
||
CREATE TABLE `notifications` (
|
||
`id` INT AUTO_INCREMENT PRIMARY KEY,
|
||
`user_id` INT NOT NULL,
|
||
`title` VARCHAR(128) NOT NULL,
|
||
`content` TEXT NOT NULL,
|
||
`type` VARCHAR(32) NOT NULL, -- 消息类型
|
||
`status` TINYINT DEFAULT 0, -- 0未读 1已读
|
||
`sender_id` INT, -- 发送人（系统消息可为NULL或0）
|
||
`created_at` DATETIME NOT NULL,
|
||
`read_at` DATETIME DEFAULT NULL,
|
||
FOREIGN KEY (`user_id`) REFERENCES `users`(`id`),
|
||
FOREIGN KEY (`sender_id`) REFERENCES `users`(`id`)
|
||
);
|
||
|