83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
package config
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import (
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"fmt"
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"os"
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"reflect"
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"sync"
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"github.com/BurntSushi/toml"
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)
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var (
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config map[string]interface{}
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mu sync.RWMutex
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once sync.Once
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)
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// loadConfig 加载配置文件
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func loadConfig() error {
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_, err := toml.DecodeFile("config.toml", &config)
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return err
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}
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// GetConfig 获取配置，使用 sync.Once 确保只加载一次
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func GetConfig() map[string]interface{} {
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once.Do(func() {
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mu.Lock()
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defer mu.Unlock()
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if err := loadConfig(); err != nil {
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fmt.Printf("加载配置文件失败: %v\n", err)
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os.Exit(1)
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}
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})
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return config
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}
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// ReloadConfig 重新加载配置文件
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func ReloadConfig() error {
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mu.Lock()
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defer mu.Unlock()
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return loadConfig()
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}
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// ModifyConfig 修改配置并写回文件
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func ModifyConfig(key string, value interface{}) error {
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mu.Lock()
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defer mu.Unlock()
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config[key] = value
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file, err := os.Create("config.toml")
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if err != nil {
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return err
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}
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defer file.Close()
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encoder := toml.NewEncoder(file)
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return encoder.Encode(config)
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}
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// PrintConfig 递归打印配置内容
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func PrintConfig(m map[string]interface{}, indent string) {
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for key, value := range m {
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switch v := value.(type) {
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case map[string]interface{}:
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fmt.Printf("%s%s (type: %s):\n", indent, key, reflect.TypeOf(v))
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PrintConfig(v, indent+" ")
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case []interface{}:
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fmt.Printf("%s%s:\n", indent, key)
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for i, item := range v {
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switch itemValue := item.(type) {
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case map[string]interface{}:
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fmt.Printf("%s [%d] (type: %s):\n", indent, i, reflect.TypeOf(itemValue))
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PrintConfig(itemValue, indent+" ")
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default:
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fmt.Printf("%s [%d] (type: %s): %v\n", indent, i, reflect.TypeOf(itemValue), item)
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}
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}
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default:
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fmt.Printf("%s%s (type: %s): %v\n", indent, key, reflect.TypeOf(value), value)
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}
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}
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}
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