web 服务框架

init/env/env.go

@@ -0,0 +1,92 @@
+package env
+
+import (
+	"log/slog"
+	"os"
+
+	"github.com/gofiber/fiber/v2/log"
+	"github.com/joho/godotenv"
+)
+
+var (
+	AppName = "platform"
+	AppPort = "8080"
+)
+
+var (
+	DbHost     = "localhost"
+	DbPort     = "3306"
+	DbName     string
+	DbUserName string
+	DbPassword string
+)
+
+var (
+	LogLevel = slog.LevelDebug
+)
+
+func Init() {
+	err := godotenv.Load()
+	if err != nil {
+		log.Debug("❓ 没有本地环境变量")
+	} else {
+		log.Debug("✔ 加载本地环境变量")
+	}
+
+	check()
+}
+
+func check() {
+	_AppName := os.Getenv("APP_NAME")
+	if _AppName != "" {
+		AppName = _AppName
+	}
+
+	_AppPort := os.Getenv("APP_PORT")
+	if _AppPort != "" {
+		AppPort = _AppPort
+	}
+
+	_DbHost := os.Getenv("DB_HOST")
+	if _DbHost != "" {
+		DbHost = _DbHost
+	}
+
+	_DbPort := os.Getenv("DB_PORT")
+	if _DbPort != "" {
+		DbPort = _DbPort
+	}
+
+	_DbName := os.Getenv("DB_NAME")
+	if _DbName != "" {
+		DbName = _DbName
+	} else {
+		panic("环境变量 DB_NAME 的值为空")
+	}
+
+	_DbUserName := os.Getenv("DB_USERNAME")
+	if _DbUserName != "" {
+		DbUserName = _DbUserName
+	} else {
+		panic("环境变量 DB_USERNAME 的值为空")
+	}
+
+	_DbPassword := os.Getenv("DB_PASSWORD")
+	if _DbPassword != "" {
+		DbPassword = _DbPassword
+	} else {
+		panic("环境变量 DB_PASSWORD 的值为空")
+	}
+
+	_LogLevel := os.Getenv("LOG_LEVEL")
+	switch _LogLevel {
+	case "debug":
+		LogLevel = slog.LevelDebug
+	case "info":
+		LogLevel = slog.LevelInfo
+	case "warn":
+		LogLevel = slog.LevelWarn
+	case "error":
+		LogLevel = slog.LevelError
+	}
+}