text: CREATE TABLE `jk_user` (
    `user_id` int(11) NOT NULL AUTO_INCREMENT,
    `user_name` varchar(16) NOT NULL DEFAULT '' COMMENT '用户名',
    `user_pass` varchar(16) NOT NULL DEFAULT '' COMMENT '密码',
    `icon_url` varchar(255) NOT NULL DEFAULT '' COMMENT '头像',
    PRIMARY KEY (`user_id`),
    UNIQUE KEY `idx_uid` (`user_name`),
    KEY `idx_pass` (`user_pass`)
  ) ENGINE=InnoDB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT='用户表';