feat(auth): 添加完整的用户认证API项目

- 实现用户注册、登录、JWT令牌认证功能
- 集成Gin、GORM、Viper、Zap等框架
- 添加密码加密、数据库操作、中间件等完整功能
- 配置多环境支持、日志轮转、CORS处理
- 创建完整的项目结构和配置文件体系

Web开发/06go-auth-api/logger.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"os"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+var Logger *zap.Logger
+
+func InitLogger(env string) error {
+	var level zapcore.Level
+
+	switch env {
+	case "prod":
+		level = zapcore.WarnLevel
+	case "test":
+		level = zapcore.DebugLevel
+	default:
+		level = zapcore.InfoLevel
+	}
+
+	logfile := &lumberjack.Logger{
+		Filename:   "logs/app.log",
+		MaxSize:    100,
+		MaxBackups: 10,
+		MaxAge:     30,
+		Compress:   true,
+	}
+
+	encoderConfig := zapcore.EncoderConfig{
+		TimeKey:      "ts",
+		LevelKey:     "level",
+		MessageKey:   "msg",
+		CallerKey:    "caller",
+		EncodeLevel:  zapcore.LowercaseLevelEncoder,
+		EncodeTime:   zapcore.ISO8601TimeEncoder,
+		EncodeCaller: zapcore.ShortCallerEncoder,
+	}
+
+	core := zapcore.NewCore(
+		zapcore.NewJSONEncoder(encoderConfig),
+		zapcore.NewMultiWriteSyncer(
+			zapcore.AddSync(os.Stdout),
+			zapcore.AddSync(logfile),
+		),
+		level,
+	)
+
+	Logger = zap.New(core, zap.AddCaller())
+	zap.ReplaceGlobals(Logger)
+
+	return nil
+}