Nginx跨域设置Access-Control-Allow-Origin无效的解决办法

nginx 版本 1.11.3

使用大家说的以下配置，验证无效，跨域问题仍然存在

add_header 'access-control-allow-origin' '*';
add_header 'access-control-allow-credentials' 'true';
add_header 'access-control-allow-methods' 'get,post';

使用以下配置，生效。

if ($request_method = 'options') {
        add_header 'access-control-allow-origin' '*';
        add_header 'access-control-allow-methods' 'get, post, options';
        add_header 'access-control-allow-headers' 'dnt,x-customheader,keep-alive,user-agent,x-requested-with,if-modified-since,cache-control,content-type';
        add_header 'access-control-max-age' 1728000;
        add_header 'content-type' 'text/plain charset=utf-8';
        add_header 'content-length' 0;
        return 204;
       }
       if ($request_method = 'post') {
        add_header 'access-control-allow-origin' '*';
        add_header 'access-control-allow-methods' 'get, post, options';
        add_header 'access-control-allow-headers' 'dnt,x-customheader,keep-alive,user-agent,x-requested-with,if-modified-since,cache-control,content-type';
       }
       if ($request_method = 'get') {
        add_header 'access-control-allow-origin' '*';
        add_header 'access-control-allow-methods' 'get, post, options';
        add_header 'access-control-allow-headers' 'dnt,x-customheader,keep-alive,user-agent,x-requested-with,if-modified-since,cache-control,content-type';
       }

总结

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