$username = 'root';

$password = '1234abcd';

$driver_options = array(

    PDO::MYSQL_ATTR_INIT_COMMAND    => 'SET NAMES UTF8',

    );

$pdo = new PDO($dsn, $username, $password, $driver_options);

//1.编译统一的结构

$sql = "insert into team values (null, :team_name)";

$stmt = $pdo->prepare($sql);

$data_list = array(

    array('name'=>'国安'),

    array('name'=>'绿地'),

    array('name'=>'恒大'),

    array('name'=>'建业'),

    array('name'=>'鲁能'),

    array('name'=>'申花'),

    );

foreach($data_list as $row) {

    //2.绑定数据到中间编译结果

    $stmt->bindValue(':team_name', $row['name']);

    //3.执行

    $result = $stmt->execute();

    var_dump($result);

}

function prepare( $query, $args ) {

    if ( is_null( $query ) )

         return;

    // This is not meant to be foolproof --

           but it will catch obviously incorrect usage.

    if ( strpos( $query, '%' ) === false ) {

         _doing_it_wrong( 'wpdb::prepare' ,

         sprintf ( __( 'The query argument of %s

                 must have a placeholder.' ), 'wpdb::prepare()' ), '3.9' );

   }

    $args = func_get_args();

    array_shift( $args );

    // If args were passed as an array (as in vsprintf), move them up

    if ( isset( $args[ 0] ) && is_array( $args[0]) )

         $args = $args [0];

    $query = str_replace( "'%s'", '%s' , $query );

        // in case someone mistakenly already singlequoted it

    $query = str_replace( '"%s"', '%s' , $query );

        // doublequote unquoting

    $query = preg_replace( '|(?<!%)%f|' , '%F' , $query );

        // Force floats to be locale unaware

    $query = preg_replace( '|(?<!%)%s|', "'%s'" , $query );

        // quote the strings, avoiding escaped strings like %%s

    array_walk( $args, array( $this, 'escape_by_ref' ) );

    return @ vsprintf( $query, $args );

}