文章目录
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header("Access-Control-Allow-Origin=");//许可全部域名访问
或者
header("Access-Control-Allow-Origin:www.baidu.com")//限定一个域名访问
（图片来自网络侵删）
header("Access-Control-Allow-Methods:POST");//限定POST要求
header("Access-Control-Allow-Headers:x-requested-with,content-type");
第二种办法：在NGINX内配置add_header Access-Control-Allow-Origin ;
add_header Access-Control-Allow-Credentials true;
add_header Access-Control-Allow-Headers "x-requested-with,Authorization";
add_header Access-Control-Allow-Methods ;
