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  • 链接数据库

    打开扩展  extension=php_pdo.dll

    $pdo = new PDO("mysql:host=localhost;dbname=db_demo","root",""); $rs = $pdo -> query("select * from test"); while($row = $rs -> fetch()){ print_r($row);

    $pdo = new PDO("mysql:host=localhost;dbname=db_demo","root",""); 
    if($pdo -> exec("insert into db_demo(name,content) values('title','content')")){ 
    echo "插入成功!"; 
    echo $pdo -> lastinsertid(); 


    php5.5 之后就已经不再支持mysql_connect 了

    $dbname = 'zhuanfa'; $host = 'localhost'; $user = 'root'; $pwd = 'root'; $port = '3306'; $server = $this->db_mysql_hostname.':'.$this->db_mysql_port; $this->conn = mysql_connect($server,$this->db_mysql_username,$this->db_mysql_password,true) or die('');
    $this->conn = mysql_connect('localhost','root','root',true) or die('');
     mysql_select_db($this->db_mysql_database,$this->conn) or die('');   //选择数据库
    mysql_query(
    "set names " . $this->db_mysql_charset, $this->conn); //设置编码 utf-8



    $host="localhost";
    $user="root";
    $password="abcdefg";
    $conn=@mysql_connect($host,$user,$password);
    if(!$conn)
    {
    die ("连接MYSQL服务器失败。".mysql_error());
    }
    else
    {
    echo "MYSQL服务器:$host <br>用户名称:$user <br>";
    echo "连接MYSQL服务器成功。";
    }
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  • 原文地址:https://www.cnblogs.com/suxiaolong/p/6634119.html
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