first commit

pkg/md5/md5.go

@@ -0,0 +1,28 @@
+package md5
+
+import (
+	cryptoMD5 "crypto/md5"
+	"encoding/hex"
+)
+
+var _ MD5 = (*md5)(nil)
+
+type MD5 interface {
+	i()
+	// Encrypt 加密
+	Encrypt(encryptStr string) string
+}
+
+type md5 struct{}
+
+func New() MD5 {
+	return &md5{}
+}
+
+func (m *md5) i() {}
+
+func (m *md5) Encrypt(encryptStr string) string {
+	s := cryptoMD5.New()
+	s.Write([]byte(encryptStr))
+	return hex.EncodeToString(s.Sum(nil))
+}