增加日志系统

backend/internal/config/config.go

@@ -15,6 +15,7 @@ type Config struct {
 	JWTSecret     string
 	Storage       StorageConfig
 	SMS           SMSConfig
+	Log           LogConfig
 }
 
 type StorageConfig struct {
@@ -33,6 +34,13 @@ type SMSConfig struct {
 	AliyunLoginTemplateCode string
 }
 
+type LogConfig struct {
+	Level         string
+	Dir           string
+	EnableConsole bool
+	EnableFile    bool
+}
+
 func Load() Config {
 	return Config{
 		AppEnv:        getEnv("APP_ENV", "development"),
@@ -56,6 +64,12 @@ func Load() Config {
 			AliyunSignName:          getEnv("ALIYUN_SMS_SIGN_NAME", ""),
 			AliyunLoginTemplateCode: getEnv("ALIYUN_SMS_LOGIN_TEMPLATE_CODE", ""),
 		},
+		Log: LogConfig{
+			Level:         getEnv("LOG_LEVEL", "info"),
+			Dir:           getEnv("LOG_DIR", "logs"),
+			EnableConsole: getEnvBool("LOG_ENABLE_CONSOLE", true),
+			EnableFile:    getEnvBool("LOG_ENABLE_FILE", true),
+		},
 	}
 }
 
@@ -78,3 +92,15 @@ func getEnvInt(key string, fallback int) int {
 	}
 	return parsed
 }
+
+func getEnvBool(key string, fallback bool) bool {
+	value := os.Getenv(key)
+	if value == "" {
+		return fallback
+	}
+	parsed, err := strconv.ParseBool(value)
+	if err != nil {
+		return fallback
+	}
+	return parsed
+}