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package core
import (
"flag"
"fmt"
"gin-vue-admin/global"
_ "gin-vue-admin/packfile"
"github.com/fsnotify/fsnotify"
"github.com/spf13/viper"
"os"
)
var config string
const defaultConfigFile = "config.yaml"
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(global.GVA_CONFIG.System.ConfigEnv); configEnv == "" {
config = defaultConfigFile
fmt.Printf("您正在使用config的默认值,config的路径为%v\n", defaultConfigFile)
} 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
}