PHP操作MySQL數據庫的基本類

腳步怎樣才能不斷前時?把腳印留在身後。以下是小編爲大家搜索整理的操作MySQL數據庫的基本類，希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!

$dbhost='localhost';

$dbuser='root';

$dbpass='123456';

$dbname='products';

$connect=mysql_connect($dbhost,$dbuser,$dbpass);

if(!$connect) exit('數據庫連接失敗!');

mysql_select_db($dbname,$connect);

mysql_query('set names utf8');

//查詢

$sql="SELECT * FROM `category`";

$result=mysql_query($sql);

while($row=mysql_fetch_array($result)){

echo $row['id'];

}

//插入

$sql="INSERT INTO `category` (`id`,`name`) VALUES (NULL,'".$name."')";

$result=mysql_query($sql);

if(mysql_affected_rows()){

echo '插入成功，插入ID爲：',mysql_insert_id();

}else{

echo '插入失敗：',mysql_error();

}

//修改

$sql="UPDATE `category` SET `name`='".$name."' WHERE `id`='".$id."'";

$result=mysql_query($sql);

if(mysql_affected_rows()){

echo '修改成功!';

}

//刪除

$sql="DELETE FROM `category` WHERE `id`='".$id."'";

$result=mysql_query($sql);

if(mysql_affected_rows()){

echo '刪除成功!';

}

//關閉連接

mysql_close($connect);