util

func ClearQrCode ¶ added in v1.3.1

func ClearQrCode()

ClearQrCode 清空二维码

func DesEncrypt ¶

func DesEncrypt(key, plainText string) (string, error)

Encrypt encrypts the plaintext using DES algorithm with the given key

func GenerateCsrfValue ¶ added in v1.3.1

func GenerateCsrfValue(n string) string

GenerateCsrfValue 生成 Csrf-Value

func GenerateRandomString ¶ added in v1.3.1

func GenerateRandomString(n int) string

func PKCS7Padding ¶

func PKCS7Padding(plainText []byte, blockSize int) []byte

PKCS7Padding pads the plaintext to be a multiple of the block size

func QrCodeDecode ¶ added in v1.3.1

func QrCodeDecode(pngBytes []byte) (string, error)

QrCodeDecode 解码二维码

func QrCodePrint ¶ added in v1.3.1

func QrCodePrint(content string) error

QrCodePrint 打印二维码

func RsaEncrypt ¶

func RsaEncrypt(publicKey string, data string) (string, error)

func SendEmail ¶ added in v1.3.0

func SendEmail(host string, username string, password string, to string, subject string, body string) error