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Go

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package cmd
import (
"data/config"
"fmt"
"os"
"public/tools"
"github.com/spf13/cobra"
"gopkg.in/go-playground/validator.v9"
)
var mysqlInfo config.MysqlDbInfo
var rootCmd = &cobra.Command{
Use: "main",
Short: "gorm mysql reflect tools",
Long: `base on gorm tools for mysql database to golang struct`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println(tools.GetJsonStr(config.GetMysqlDbInfo()))
//开始做事情
},
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := rootCmd.Execute(); err != nil {
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVarP(&mysqlInfo.Host, "host", "H", "", "数据库地址.")
rootCmd.MarkFlagRequired("host")
rootCmd.PersistentFlags().StringVarP(&mysqlInfo.Username, "user", "u", "", "用户名.")
rootCmd.MarkFlagRequired("user")
rootCmd.PersistentFlags().StringVarP(&mysqlInfo.Password, "password", "p", "", "密码.")
rootCmd.MarkFlagRequired("password")
rootCmd.PersistentFlags().StringVarP(&mysqlInfo.Database, "database", "d", "", "数据库名")
rootCmd.MarkFlagRequired("database")
rootCmd.Flags().IntVar(&mysqlInfo.Port, "port", 3306, "端口号")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
validate := validator.New()
err := validate.Struct(mysqlInfo)
if err != nil {
err1 := validate.Struct(config.GetMysqlDbInfo())
if err1 != nil {
fmt.Println("Can't read cmd: using -h, --help) to get more imfo")
fmt.Println("error info: ", err, err1)
os.Exit(1)
} else {
fmt.Println("using default config info.")
}
} else {
config.SetMysqlDbInfo(&mysqlInfo)
}
}