php mysql数据库操作类

2024-05-04 22:12:39

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代码如下:
<?php
/*
*    mysql数据库 DB类
*    @package    db
*    @author        yytcpt(无影)
*    @version    2008-03-27
*    @copyrigth    http://www.d5s.cn/
*/
class db {
    var $connection_id = "";
    var $pconnect = 0;
    var $shutdown_queries = array();
    var $queries = array();
    var $query_id = "";
    var $query_count = 0;
    var $record_row = array();
    var $failed = 0;
    var $halt = "";
    var $query_log = array();
    function connect($db_config){
        if ($this->pconnect){
            $this->connection_id = mysql_pconnect($db_config["hostname"], $db_config["username"], $db_config["password"]);
        }else{
            $this->connection_id = mysql_connect($db_config["hostname"], $db_config["username"], $db_config["password"]);
        }
        if ( ! $this->connection_id ){
            $this->halt("Can not connect MySQL Server");
        }
        if ( ! @mysql_select_db($db_config["database"], $this->connection_id) ){
            $this->halt("Can not connect MySQL Database");
        }
        if ($db_config["charset"]) {
            @mysql_unbuffered_query("SET NAMES '".$db_config["charset"]."'");
        }
        return true;
    }
    //发送SQL 查询，并返回结果集
    function query($query_id, $query_type='mysql_query'){
        $this->query_id = $query_type($query_id, $this->connection_id);

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