nginx解决跨域关键点

文档说明：只记录关键地方;

目标：使用CORS和 jsonp 解决跨域问题

一：nginx 使用CORS解决跨域

涉及到nginx 配置也就这些

add_header Access-Control-Allow-Origin $cors_origin always;

add_header Access-Control-Allow-Methods 'GET,HEAD,POST,PUT,DELETE,CONNECT,OPTIONS,TRACE,PATCH' always;

add_header Access-Control-Allow-Credentials 'true' always;

## 用于自定义
add_header Access-Control-Allow-Headers "Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,authorization,accept-ranges,content-length,content-type,date,server,last-modified,etag";

add_header Access-Control-Expose-Headers "Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,authorization,accept-ranges,content-length,content-type,date,server,last-modified,etag";

二：nginx 使用jsonp 解决跨域

    location /ip/jsonp {
        set $callback "callback";
        if ($arg_callback) {
           set $callback $arg_callback ;
        }
        charset utf-8;
        default_type application/javascript ;
        return 200 '$callback({
                        "request_time":"$time_local",
                        "ip":"$remote_addr",
                        "port":"$remote_port",
                        "message":"你可真是个小机灵鬼，被你发现了！

标签：Control,跨域,callback,header,Access,nginx,add,关键点	

From： https://www.cnblogs.com/jingjingxyk/p/16838395.html