helper

func CheckPassword ¶

func CheckPassword(password string) (b bool)

func CheckUseremail ¶

func CheckUseremail(email string) (b bool)

func CheckUsername ¶

func CheckUsername(username string) (b bool)

func MailSendCode ¶

func MailSendCode(mail, code string) error

MailSendCode 邮箱验证码发送

func PathExists ¶

func PathExists(path string) (bool, error)

PathExists 判断目录是否存在

func RandCode ¶

func RandCode() string

func RandomString ¶

func RandomString(n int) string

RandomString 生成指定长度的随机字符

func SubStr ¶

func SubStr(str string, start, length int) string