Database Class
LEUNG
Database Class 有 42 則迴響
<?php
class Database{
protected $host;
protected $user;
protected $pass;
protected $database;
protected $port;
function Database($host, $user, $pass, $database, $port){
$this->host = $host;
$this->user = $user;
$this->pass = $pass;
$this->database = $database;
$this->port = $port;
}
/** Connection Funtion **/
function conn(){
$this->conn = mysqli_connect($this->host. ":".$this->port, $this->user, $this->pass)or die("Invalid database");
mysqli_select_db($this->conn, $this->database) or die("Can not connect database");
mysqli_query($this->conn, "SET NAMES 'utf8'");
date_default_timezone_set('Hongkong');
return "Connect database succeed";
}
function close() {
mysqli_close($this->conn);
}
function error() {
return mysqli_error($this->conn);
}
/** Execution Query Function **/
function query($query) {
$this->query = $query;
return $this->result = mysqli_query($this->conn, $this->query) or die(error());
}
function insert_id() {
return mysqli_insert_id($this->conn);
}
function num_rows() {
return mysqli_num_rows($this->result);
}
function free_result() {
mysqli_free_result($this->result) ;
}
function fetch_array($mode = MYSQLI_ASSOC) {
return mysqli_fetch_array($this->result, $mode);
}
function affected_rows() {
return mysqli_affected_rows($this->conn);
}
/** Function **/
function escape_string($string) {
if (get_magic_quotes_gpc()) {
$string = stripslashes($string);
}
if (!is_numeric($string)) {
$string = mysqli_real_escape_string($this->conn, $string);
}
return trim($string);
}
/*
function insert_escape_string($string) {
return $this->real_escape_string($string, true);
}
*/
function uniqid($length = 3){
$array = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
0,1,2,3,5,6,7,8,9);
$key = "";
$size = sizeof($array)-1;
for($i = $length; $i > 0;$i--) {
$n = rand(0, $size);
$key.= $array[$n];
}
$uniqid = uniqid();
$uniqid .= md5($uniqid.$key);
return $uniqid;
}
}
?>
Tutorial
$host = "127.0.0.1"; $user = "root"; $pass = ""; $db = "test"; $port = "3306"; $lang = "zh-tw"; $database = new Database($host, $user, $pass, $db, $port); $database->conn(); $sql = "SELECT * FROM test"; $result = $database->query($sql); $rows = $database->fetch_array($result); $database->free_result();