PHP连接数据库并读取数据打印

$link = mysqli_connect("localhost","root","root") ordie("Connect error");
if($link){
    echo"Connect success
";
    mysqli_select_db($link, "world");
    $sql = "select * from city";
    $result = mysqli_query($link, $sql);
    $rows = mysqli_num_rows($result);
    $cols = mysqli_num_fields($result);
    echo"rows are ".$rows.", cols are ".$cols."
";
    echo"";
    echo"";
    echo"";
    while ($row=mysqli_fetch_row($result)){
        echo"";
        foreach ($rowas$data){
            echo"";
        }
        echo"";
    }
    echo"
City info
ID
Name
CountryCode
District
Population
".$data."


";
}else {
    echo"Connect error";
}
?>

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以上就介绍了PHP连接数据库并读取数据打印，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。