PHP封裝資料庫增刪改查
阿新 • • 發佈:2019-01-01
封裝:
<?php class mysqlSql{//封裝函式 public $db; public function __construct($dbname){//建構函式 $this->db = new PDO("mysql:host=localhost;dbname=".$dbname,'root','root');//資料庫連線 } public function zengjia($table,$title,$body){//資料庫增加 $time=time();//當前時間 $sql = "INSERT INTO ".$table .' (id,title,body,create_time)'." VALUES (null,'$title','$body',$time)"; $db = $this->db; $row = $db->query($sql); return $row; } public function shanchu($table,$id){//資料庫刪除 $sql = "DELETE FROM ".$table." WHERE id=".$id; $db = $this->db; $row = $db->exec($sql); return $row; } public function gengxin($table,$title,$body,$id){//資料庫更新 $time=time();//當前時間 $sql = "UPDATE ".$table." SET title='$title',body='$body',update_time=$time where id=".$id; $db =$this->db; $row = $db->exec($sql); return $row; } public function chaxunOne($table,$id){//資料庫查詢單條記錄 $sql = "SELECT * FROM ".$table." WHERE id=".$id; $db = $this->db; $sth = $db->query($sql); $row = $sth->fetch(PDO::FETCH_ASSOC); return $row; } public function chaxunAll($table){//資料庫查詢全部記錄 $sql = "SELECT * FROM ".$table; $db = $this->db; $sth = $db->query($sql); while ($row = $sth->fetch(PDO::FETCH_ASSOC)) { $arr[] = $row; } return $arr; } } ?>
呼叫:
<?php require "sql.php"; $root = new mysqlSql('wanlala_1'); //var_dump($root->chaxunAll('boke_wz')); //var_dump($root->chaxunOne('boke_wz',2)); //var_dump($root->zengjia('boke_wz',"是盛大發售","的颯颯是打算打算撒大大大是實打實的所說的是答案是")); //var_dump($root->shanchu('boke_wz',30)); var_dump($root->gengxin('boke_wz','啊哈哈哈哈哈','儘快儘快儘快和交換機好就好',31)); ?>