<?php class DBDA {public $host="localhost";public $uid = "root";public $pwd = "123";public $dbname = "mydb";//成員方法public function Query($sql,$type=1){$db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);$r = $db->query($sql);if($type==1){return $r->fetch_all();}else{return $r;}}//返回字符串的方法public function StrQuery($sql,$type=1){$db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);$r = $db->query($sql);if($type==1){$attr = $r->fetch_all();$str = "";foreach($attr as $v){$str .= implode("^",$v)."|";}return substr($str,0,strlen($str)-1);}else{return $r;}}//返回JSONfunction JSONQuery($sql,$type=1){$db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);$r = $db->query($sql);if($type==1){return json_encode($r->fetch_all(MYSQLI_ASSOC));}else{return $r;}} }

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轉載于:https://www.cnblogs.com/chaochao00o/p/6277020.html

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