基于php+mysql+ajax+jquery实现的简单聊天室(a little chatroom based on php+mysql+ajax+jq)
数据库结构:
DROP TABLE IF EXISTS `chat`;
CREATE TABLE IF NOT EXISTS `chat` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`username` varchar(20) DEFAULT NULL,
`chatdate` time DEFAULT NULL,
`msg` varchar(500) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
DROP TABLE IF EXISTS `ly_content`;
CREATE TABLE IF NOT EXISTS `ly_content` (
`id` int(10) NOT NULL AUTO_INCREMENT,
`usernameid` int(10) NOT NULL,
`headimg` varchar(255) DEFAULT NULL,
`title` varchar(255) NOT NULL,
`content` text,
`time` bigint(10) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=101 DEFAULT CHARSET=utf8;
DROP TABLE IF EXISTS `ly_user`;
CREATE TABLE IF NOT EXISTS `ly_user` (
`id` int(10) NOT NULL AUTO_INCREMENT,
`username` varchar(255) NOT NULL,
`nickname` varchar(255) DEFAULT NULL,
`headimg` varchar(255) DEFAULT NULL,
`password` varchar(255) NOT NULL,
`tel` bigint(11) DEFAULT NULL,
`emai` varchar(255) DEFAULT NULL,
`ip` varchar(15) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=33 DEFAULT CHARSET=utf8;
DROP TABLE IF EXISTS `logined`;
CREATE TABLE IF NOT EXISTS `logined` (
`usr` varchar(15) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;