lua_transform_underscores_in_response_headers --------------------------------------------- **语法:** *lua_transform_underscores_in_response_headers on|off* **默认:** *lua_transform_underscores_in_response_headers on* **环境:** *http, server, location, location-if* 对于[ngx.header.HEADER](#ngxheaderheader) API 中指定响应头，该指令指定是否将下划线(`_`)转化为连接线(`-`)。 该指令是在`v0.5.0rc32`版本首次引入的。 [返回目录](#directives) > English source: lua_transform_underscores_in_response_headers --------------------------------------------- **syntax:** *lua_transform_underscores_in_response_headers on|off* **default:** *lua_transform_underscores_in_response_headers on* **context:** *http, server, location, location-if* Controls whether to transform underscores (`_`) in the response header names specified in the [ngx.header.HEADER](#ngxheaderheader) API to hypens (`-`). This directive was first introduced in the `v0.5.0rc32` release. [Back to TOC](#directives)