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48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
/*！
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本模块利用 log crate 为你提供了日志功能，使用方式见 main.rs.
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*/
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use log::{self, Level, LevelFilter, Log, Metadata, Record};
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struct SimpleLogger;
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impl Log for SimpleLogger {
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fn enabled(&self, _metadata: &Metadata) -> bool {
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true
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}
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fn log(&self, record: &Record) {
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if !self.enabled(record.metadata()) {
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return;
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}
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let color = match record.level() {
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Level::Error => 31, // Red
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Level::Warn => 93, // BrightYellow
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Level::Info => 34, // Blue
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Level::Debug => 32, // Green
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Level::Trace => 90, // BrightBlack
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};
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println!(
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"\u{1B}[{}m[{:>5}] {}\u{1B}[0m",
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color,
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record.level(),
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record.args(),
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);
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}
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fn flush(&self) {}
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}
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pub fn init() {
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static LOGGER: SimpleLogger = SimpleLogger;
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log::set_logger(&LOGGER).unwrap();
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log::set_max_level(match option_env!("LOG") {
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Some("ERROR") => LevelFilter::Error,
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Some("WARN") => LevelFilter::Warn,
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Some("INFO") => LevelFilter::Info,
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Some("DEBUG") => LevelFilter::Debug,
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Some("TRACE") => LevelFilter::Trace,
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_ => LevelFilter::Off,
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});
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}
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