Migrate the gva project to the cmd folder, delete other redundant database configurations, optimize the initialization method of viper, zap, and gorm

server/core/viper.go

@@ -0,0 +1,54 @@
+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"
+)
+
+func Viper(path ...string) *viper.Viper {
+	var config string
+	if len(path) == 0 {
+		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)
+		}
+	} else {
+		config = path[0]
+		fmt.Printf("您正在使用func Viper()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)
+	}
+	return v
+}