返回结果集中代表字段(列)的对象的数组,然后输出每个字段名称、表格和最大长度: <?php // 假定数据库用户名:root,密码:123456,数据库:CODERCTO $con=mysqli_connect("localhost","root","123456","CODERCTO"); if (mysqli_connect_errno($con)) { echo "连接 MySQL 失败: " . mysqli_connect_error(); } $sql="SELECT name,url FROM websites ORDER BY alexa";if ($result=mysqli_query($con,$sql)){ 下载地址: PHP mysqli_fetch_field() 函数 PHP mysqli_fetch_lengths() 函数 |