<?php
class mysql {
public function __construct($db_host, $db_user, $db_pwd, $db_database, $conn, $coding) {
$this->db_host = $db_host;
$this->db_user = $db_user;
$this->db_pwd = $db_pwd;
$this->db_database = $db_database;
$this->conn = $conn;
$this->coding = $coding;
$this->connect();
}
/*数据库连接*/
public function connect() {
if ($this->conn == "pconn") {
//永久链接
$this->conn = mysql_pconnect($this->db_host, $this->db_user, $this->db_pwd);
} else {
//即使链接
$this->conn = mysql_connect($this->db_host, $this->db_user, $this->db_pwd);
}
if (!mysql_select_db($this->db_database, $this->conn)) {
if ($this->show_error) {
$this->show_error("数据库不可用：", $this->db_database);
}
}private $db_host; //Database host
private $db_user; //Database username
private $db_pwd; //Database username and password
private $db_database; //Database name
private $conn; //Database connection identification;
private $result; //Result identification of query command execution
private $ sql; //sql execution statement
private $row; //number of entries returned
private $coding; //database encoding, gbk, utf8, gb2312
private $bulletin = true; //Whether to enable error logging
private $show_error = false; //In the testing phase, all errors are displayed, which has security risks and is closed by default
private $is_error = false; //Whether to terminate immediately when an error is detected, the default is true, it is recommended not to enable it, because it is very distressing for users to not see anything when there is a problem
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