PHP允许跨域终极解决办法
header("access-control-allow-headers: Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With"); header("access-control-allow-methods: GET, POST, PUT, DELETE, HEAD, OPTIONS"); header("access-control-allow-credentials: true"); header("access-control-allow-origin: *"); header('X-Powered-By: WAF/2.0');