默認狀況下前臺發送Ajax是容許跨域請求的。咱們能夠在後臺進行相關設置而後容許前臺跨域請求。php
header('Access-Control-Allow-Origin:http://www.houdunwang.com');
$origin = isset($_SERVER['HTTP_ORIGIN'])? $_SERVER['HTTP_ORIGIN'] : ''; $allow_origin = ['http://www.houdunren.com','http://www.houdunwang.com' ]; if(in_array($origin, $allow_origin)){ header('Access-Control-Allow-Origin:'.$origin); }
header('Access-Control-Allow-Origin:*');