**语法:** *str = ngx.today()* **环境:** *init_worker_by_lua*\**, set_by_lua*\**, rewrite_by_lua*\**, access_by_lua*\**, content_by_lua*\**, header_filter_by_lua*\**, body_filter_by_lua*\**, log_by_lua*\**, ngx.timer.*\* 从nginx的时间缓存(不像Lua的日期库，该时间不涉及系统调用)返回当前的日期(格式：`yyyy-mm-dd`)。 这是个本地时间。 > English Source **syntax:** *str = ngx.today()* **context:** *init_worker_by_lua*\**, set_by_lua*\**, rewrite_by_lua*\**, access_by_lua*\**, content_by_lua*\**, header_filter_by_lua*\**, body_filter_by_lua*\**, log_by_lua*\**, ngx.timer.*\* Returns current date (in the format `yyyy-mm-dd`) from the nginx cached time (no syscall involved unlike Lua's date library). This is the local time. [返回目录](#nginx-api-for-lua)