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70 lines
1.8 KiB
70 lines
1.8 KiB
// Copyright 2020 Lingfei Kong <colin404@foxmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package main
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import (
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"context"
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"flag"
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"cynking.com/pkg/log"
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)
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var (
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h bool
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level int
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format string
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)
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func main() {
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flag.BoolVar(&h, "h", false, "Print this help.")
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flag.IntVar(&level, "l", 0, "Log level.")
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flag.StringVar(&format, "f", "console", "log output format.")
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flag.Parse()
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if h {
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flag.Usage()
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return
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}
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// logger配置
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opts := &log.Options{
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Level: "debug",
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Format: "console",
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EnableColor: true, // if you need output to local path, with EnableColor must be false.
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DisableCaller: true,
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OutputPaths: []string{"test.log", "stdout"},
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ErrorOutputPaths: []string{"error.log"},
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}
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// 初始化全局logger
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log.Init(opts)
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defer log.Flush()
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// Debug、Info(with field)、Warnf、Errorw使用
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log.Debug("This is a debug message")
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log.Info("This is a info message", log.Int32("int_key", 10))
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log.Warnf("This is a formatted %s message", "warn")
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log.Errorw("Message printed with Errorw", "X-Request-ID", "fbf54504-64da-4088-9b86-67824a7fb508")
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// WithValues使用
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lv := log.WithValues("X-Request-ID", "7a7b9f24-4cae-4b2a-9464-69088b45b904")
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lv.Infow("Info message printed with [WithValues] logger")
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lv.Infow("Debug message printed with [WithValues] logger")
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// Context使用
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ctx := lv.WithContext(context.Background())
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lc := log.FromContext(ctx)
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lc.Info("Message printed with [WithContext] logger")
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ln := lv.WithName("test")
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ln.Info("Message printed with [WithName] logger")
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// V level使用
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log.V(log.InfoLevel).Info("This is a V level message")
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log.V(log.ErrorLevel).
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Infow("This is a V level message with fields", "X-Request-ID", "7a7b9f24-4cae-4b2a-9464-69088b45b904")
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}
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