tracing-subscriber= { version ="0.3", features = ["time","env-filter"] } #时间包,用来格式化日志和终端的时间显示 time= { version ="0.3", features = ["macros"] } 3. 上代码 usetime::macros::{format_description, offset}; usetracing_appender::{non_blocking::WorkerGuard, rolling::{Rolli...