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49 lines
1.2 KiB
49 lines
1.2 KiB
package core
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import (
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"flag"
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"fmt"
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"gin-vue-admin/global"
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_ "gin-vue-admin/packfile"
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"github.com/fsnotify/fsnotify"
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"github.com/spf13/viper"
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"os"
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)
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var config string
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const defaultConfigFile = "config.yaml"
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func init() {
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flag.StringVar(&config, "c", "", "choose config file.")
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flag.Parse()
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if config == "" { // 优先级: 命令行 > 环境变量 > 默认值
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if configEnv := os.Getenv(global.GVA_CONFIG.System.ConfigEnv); configEnv == "" {
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config = defaultConfigFile
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fmt.Printf("您正在使用config的默认值,config的路径为%v\n", defaultConfigFile)
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} else {
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config = configEnv
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fmt.Printf("您正在使用GVA_CONFIG环境变量,config的路径为%v\n", config)
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}
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} else {
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fmt.Printf("您正在使用命令行的-c参数传递的值,config的路径为%v\n", config)
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}
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v := viper.New()
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v.SetConfigFile(config)
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err := v.ReadInConfig()
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if err != nil {
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panic(fmt.Errorf("Fatal error config file: %s \n", err))
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}
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v.WatchConfig()
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v.OnConfigChange(func(e fsnotify.Event) {
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fmt.Println("config file changed:", e.Name)
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if err := v.Unmarshal(&global.GVA_CONFIG); err != nil {
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fmt.Println(err)
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}
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})
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if err := v.Unmarshal(&global.GVA_CONFIG); err != nil {
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fmt.Println(err)
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}
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global.GVA_VP = v
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}
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