Nginx 日志级别常量 ------------------ **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*\**, ngx.timer.** ```lua ngx.STDERR ngx.EMERG ngx.ALERT ngx.CRIT ngx.ERR ngx.WARN ngx.NOTICE ngx.INFO ngx.DEBUG ``` 这些常量一般用于 [ngx.log](#ngxlog) 方法. > English Source **context:** *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.** ```lua ngx.STDERR ngx.EMERG ngx.ALERT ngx.CRIT ngx.ERR ngx.WARN ngx.NOTICE ngx.INFO ngx.DEBUG ``` These constants are usually used by the [ngx.log](#ngxlog) method. [返回目录](#nginx-api-for-lua)