操作mysql数据库的类.doc

操作mysql数据库的类适用环境： PHP5.2.x??/ mysql 5.0.x??????代码作者： Silence??????联系方式： QQ????????????函数说明： 引用 ????操作mysql数据库的类???? ??????代码：?? 复制代码 class Mysql { ????private $server = ; ????private $user = ; ????private $password = ; ????private $database = ; ????private $linkMode = 1; ????private $link_id = 0; ????private $query_id = 0; ????private $query_times = 0; ????private $result = array (); ????private $fetchMode = MYSQL_ASSOC; ????private $err_no = 0; ????private $err_msg; ????private $character; ????//====================================== ????// 函数: mysql() ????// 功能: 构造函数 ????// 参数: 参数类的变量定义 ????// 说明: 构造函数将自动连接数据库 ????// 如果想手动连接去掉自动连接函数 ????//====================================== ????public function __construct($server, $user, $password, $database, $character = UTF8, $linkMode = 0) { ????????if (empty ( $server ) || empty ( $user ) || empty ( $database )) ????????????$this-halt ( 提交的数据库信息不完整！请检查服务器地址，用户和数据库是否正确有效 ); ???????? ????????$this-server = $server; ????????$this-user = $user; ????????$this-password = $password; ????????$this-database = $database; ????????$this-linkMode = $linkMode; ????????$this-character = $character; ????????$this-connect (); ????} ????//====================================== ????// 函数: connect($server,$user,$password,$database) ????// 功能: 连接数据库 ????// 参数: $server 主机名, $user 用户名 ????// 参数: $password 密码, $database 数据库名称 ????// 返回: 0:失败 ????// 说明: 默认使用类中变量的初始值 ????//====================================== ????public function connect($server = , $user = , $password = , $database = ) { ????????$server = $server ? $server : $this-server; ????????$user = $user ? $user : $this-user; ????????$password = $password ? $password : $this-password; ????????$database = $database ? $database : $this-database; ???????? ????????$this-link_id = $this-linkMode ? mysql_pconnect ( $server, $user, $password, $database ) : mysql_connect ( $server, $user, $password, $database ); ???????? ????????if (!