我需要redirect/重写包含查询string的url到相同的url，但没有查询string。 例如http://domain.com/a-post-title/?fbid=xyz到http://domain.com/a-post-title/对不起，我的英文不好。
简单，只要放一个? 在重写结束后，从http://nginx.org/en/docs/http/ngx_http_rewrite_module.html#rewrite ：
If a replacement string includes the new request arguments, the previous request arguments are appended after them. If this is undesired, putting a question mark at the end of a replacement string avoids having them appended