init
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@@ -0,0 +1,193 @@
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package loger
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import (
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"encoding/json"
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"fmt"
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"github.com/sirupsen/logrus"
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"io"
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"os"
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"reflect"
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"runtime"
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"strings"
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"time"
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)
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// ANSI 转义码定义颜色
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const (
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reset = "\033[0m"
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red = "\033[31m"
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green = "\033[32m"
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yellow = "\033[33m"
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blue = "\033[34m"
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magenta = "\033[35m"
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cyan = "\033[36m"
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white = "\033[97m"
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gray = "\033[90m"
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brightYellow = "\033[93m"
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)
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// 自定义日志格式化器
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type customFormatter struct{}
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// Format 实现 logrus.Formatter 接口
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func (f *customFormatter) Format(entry *logrus.Entry) ([]byte, error) {
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// 根据日志级别选择颜色
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var levelColor string
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switch entry.Level {
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case logrus.DebugLevel:
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levelColor = cyan
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case logrus.InfoLevel:
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levelColor = green
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case logrus.WarnLevel:
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levelColor = yellow
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case logrus.ErrorLevel:
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levelColor = red
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case logrus.FatalLevel, logrus.PanicLevel:
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levelColor = magenta
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default:
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levelColor = white
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}
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// 获取时间,格式为 yyyy/mm/dd hh:mm:ss.ms
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timestamp := fmt.Sprintf("%s%s%s", levelColor, entry.Time.Format("01-02 15:04:05"), reset)
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// 获取文件名和行号
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_, file, line, ok := runtime.Caller(6) // 使用更高的层级
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if !ok {
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file = "unknown"
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line = 0
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}
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if entry.Caller != nil {
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// 获取调用者的文件名并只保留文件名部分
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file = file[strings.LastIndex(file, "/")+1:] // 仅保留文件名
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}
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// 获取日志标题
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title, ok := entry.Data["title"].(string)
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if !ok {
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title = "unknown"
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}
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// 格式化日志级别,并为其添加颜色
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level := fmt.Sprintf("%s[%s]%s", levelColor, strings.ToUpper(entry.Level.String()), reset)
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title = fmt.Sprintf("%s「%s」%s", levelColor, title, reset)
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// 格式化输出内容
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logMessage := fmt.Sprintf("%s %s:%d: %s >> %s %s\n",
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timestamp,
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file,
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line,
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level,
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title,
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entry.Message,
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)
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return []byte(logMessage), nil
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}
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func getLog() *logrus.Logger {
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logLevel := os.Getenv("LOG_LEVEL")
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logSave := os.Getenv("LOG_SAVE")
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logSaveDir := os.Getenv("LOG_SAVE_PATH")
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log := logrus.New()
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switch logLevel {
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case "debug":
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log.SetLevel(logrus.DebugLevel)
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case "info":
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log.SetLevel(logrus.InfoLevel)
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case "warn":
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log.SetLevel(logrus.WarnLevel)
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case "error":
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log.SetLevel(logrus.ErrorLevel)
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case "fatal":
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log.SetLevel(logrus.FatalLevel)
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}
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// 自定义日志格式
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log.SetFormatter(&customFormatter{})
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// 启用调用信息的追踪,这样可以获取到文件名和行号
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log.SetReportCaller(true)
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if logSave == "true" {
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logFileName := time.Now().Format("20060102") + ".log"
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logSavePath := logSaveDir + "/" + logFileName
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// 判断日志文件是否已存在
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_, err := os.Stat(logSaveDir)
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if os.IsNotExist(err) {
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// 路径不存在,创建目录
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if err := os.MkdirAll(logSaveDir, 0755); err != nil {
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log.Error("日志文件目录创建失败")
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return log
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}
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}
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logFile, _ := os.OpenFile(logSavePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
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multiWriter := io.MultiWriter(os.Stdout, logFile)
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log.SetOutput(multiWriter)
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}
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return log
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}
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func toString(v interface{}) string {
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// 使用反射检查类型
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rv := reflect.ValueOf(v)
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// 处理结构体和结构体指针
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if rv.Kind() == reflect.Struct || (rv.Kind() == reflect.Ptr && rv.Elem().Kind() == reflect.Struct) {
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jsonData, err := json.Marshal(v)
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if err != nil {
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return fmt.Sprintf("Error marshalling to JSON: %v", err)
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}
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return string(jsonData)
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}
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// 对于其他类型,使用 fmt.Sprintf
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return fmt.Sprintf("%v", v)
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}
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// isPrintable 检查字符串是否只包含可打印字符
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func isPrintable(s string) bool {
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for _, r := range s {
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if r < 32 || r > 126 {
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return false
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}
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}
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return true
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}
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// joinToString 将多个参数转换为字符串,并拼接在一起。
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func joinToString(parts ...interface{}) string {
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var strParts []string
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for _, part := range parts {
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strParts = append(strParts, toString(part))
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}
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return strings.Join(strParts, "")
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}
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func Debug(title string, content ...interface{}) {
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getLog().WithFields(logrus.Fields{
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"title": title,
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}).Debug(joinToString(content))
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}
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func Info(title string, content ...interface{}) {
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getLog().WithFields(logrus.Fields{
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"title": title,
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}).Info(joinToString(content))
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}
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func Warn(title string, content ...interface{}) {
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getLog().WithFields(logrus.Fields{
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"title": title,
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}).Warn(joinToString(content))
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}
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func Error(title string, content ...interface{}) {
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getLog().WithFields(logrus.Fields{
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"title": title,
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}).Error(joinToString(content))
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}
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func Fatal(title string, content ...interface{}) {
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getLog().WithFields(logrus.Fields{
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"title": title,
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}).Fatal(joinToString(content))
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}
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