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