feat 初次提交

config/loader.go

@@ -0,0 +1,42 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/spf13/viper"
+	"strings"
+)
+
+const (
+	envConfigPrefix = "XH_G"
+)
+
+// LoadConfig 加载并返回应用配置
+func LoadConfig[T any](configDir string, configPtr *T) (*T, error) {
+	v := viper.New()
+
+	v.SetEnvPrefix(envConfigPrefix)
+	v.AutomaticEnv()
+	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+
+	env := v.GetString("env")
+	if env == "" {
+		env = "dev"
+	}
+
+	v.SetConfigName(fmt.Sprintf("config.%s", strings.ToLower(env)))
+	v.AddConfigPath(configDir)
+	v.SetConfigType("yaml")
+
+	if err := v.ReadInConfig(); err != nil {
+		return nil, fmt.Errorf("failed to read config: %w", err)
+	}
+
+	if err := v.Unmarshal(&configPtr); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal config: %w", err)
+	}
+
+	marshal, _ := json.Marshal(configPtr)
+	fmt.Printf("Configuration loading completed: %v\n", string(marshal))
+	return configPtr, nil
+}