ngx.is_subrequest ----------------- **语法:** *value = ngx.is_subrequest* **环境:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua** 如果当前请求是 nginx 子请求返回 `true` ，否则返回 `false` 。 [返回目录](#nginx-api-for-lua) > English source: ngx.is_subrequest ----------------- **syntax:** *value = ngx.is_subrequest* **context:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua** Returns `true` if the current request is an nginx subrequest, or `false` otherwise. [Back to TOC](#nginx-api-for-lua)