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asset_assistant/backend/user/src/logger/logger.go
2025-11-11 16:28:05 +08:00

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package logger
import (
"log"
"os"
"time"
"github.com/spf13/viper"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"gopkg.in/natefinch/lumberjack.v2"
)
var shanghaiLoc *time.Location
func init() {
var err error
shanghaiLoc, err = time.LoadLocation("Asia/Shanghai")
if err != nil {
// 尝试备选时区名称
shanghaiLoc, err = time.LoadLocation("PRC")
if err != nil {
// 若仍失败,手动设置东八区偏移
shanghaiLoc = time.FixedZone("CST", 8*3600)
log.Printf("警告:加载时区失败,使用手动东八区偏移: %v", err)
}
}
}
// Init 初始化日志(依赖配置文件已加载)
func Init() {
// 日志级别转换
level := zap.InfoLevel
switch viper.GetString("logger.level") {
case "debug":
level = zap.DebugLevel
case "warn":
level = zap.WarnLevel
case "error":
level = zap.ErrorLevel
}
// 日志轮转配置lumberjack
hook := lumberjack.Logger{
Filename: viper.GetString("logger.path") + "logs/app.log", // 日志文件路径
MaxSize: viper.GetInt("logger.max_size"), // 单个文件最大大小MB
MaxBackups: viper.GetInt("logger.max_backup"), // 最大备份数
MaxAge: viper.GetInt("logger.max_age"), // 最大保留天数
Compress: true, // 是否压缩
}
// 编码器配置
encoderConfig := zapcore.EncoderConfig{
TimeKey: "time",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalLevelEncoder, // 日志级别大写DEBUG/INFO
EncodeTime: customTimeEncoder, // 自定义时间格式
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder, // 精简调用者路径
}
// 输出配置(控制台+文件)
core := zapcore.NewTee(
zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), zapcore.AddSync(os.Stdout), level),
zapcore.NewCore(zapcore.NewJSONEncoder(encoderConfig), zapcore.AddSync(&hook), level),
)
// 创建logger实例开启调用者信息和堆栈跟踪
logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zap.ErrorLevel))
zap.ReplaceGlobals(logger)
zap.L().Info("✅ 日志初始化成功", zap.String("level", level.String()))
}
// customTimeEncoder 自定义时间格式强制东八区若加载失败则使用UTC
func customTimeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
// 使用提前初始化好的时区,避免每次调用都加载
beijingTime := t.In(shanghaiLoc)
// 格式化输出
enc.AppendString(beijingTime.Format("2006-01-02 15:04:05.000"))
}