站长手册

<?php

$link = Mysql_connect(“localhost”,”root”,”123”) or die(“数据库连接失败!”);

Mysql_select_db(“db_test”,$link) or die(“选择数据库失败!”);

$sql = “select id,name,age,gender,phone,email from friend where age>20”;

$result = mysql_query($sql);

$count = mysql_num_rows($result);

While($row = mysql_fetch_assoc($result)){

Echo $row[‘id’];

….

}