用户唯一性验证javascripts代码分享,AJAX 用户唯一性验证实现代码,从数据库my中的username用户表里验证:$username = $_POST["username"];$conn = mysql_connect("localhost:3306","root","123");mysql_select_db("my",$conn);$sql = "select * from username where username = '$username'";...
更新时间:2022-02-22标签: AJAX用户唯一性javascripts验证 全文阅读