增加邮箱脱敏

define.go

@@ -10,4 +10,6 @@ package data_mask
 const (
 	// TypeDefault 默认实现
 	TypeDefault = "DEFAULT_DATA_MASK"
+	// TypeMail 邮箱数据脱敏
+	TypeMail = "MAIL_DATA_MASK"
 )

execute.go

@@ -13,7 +13,9 @@ var (
 )
 
 func init() {
-	maskInstanceList := []IDataMask{}
+	maskInstanceList := []IDataMask{
+		&MailDataMask{}, // 邮箱脱敏
+	}
 	for _, item := range maskInstanceList {
 		maskInstanceTable[item.Type()] = item
 	}

mail.go

@@ -0,0 +1,36 @@
+// Package data_mask ...
+//
+// Description : data_mask ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2023-05-24 14:40
+package data_mask
+
+import "strings"
+
+// MailDataMask ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 14:40 2023/5/24
+type MailDataMask struct {
+}
+
+func (m MailDataMask) Mask(input string) string {
+	input = strings.TrimSpace(input)
+	if !strings.Contains(input, "@") || strings.HasPrefix(input, "@") {
+		// 不是邮箱
+		return input
+	}
+	arr := strings.Split(input, "@")
+	if len(arr) != 2 {
+		return input
+	}
+
+	return string(arr[0][0]) + "********" + string(arr[0][len(arr[0])-1]) + "@" + arr[1]
+}
+
+func (m MailDataMask) Type() string {
+	return TypeMail
+}

mail_test.go

@@ -0,0 +1,23 @@
+// Package data_mask ...
+//
+// Description : data_mask ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2023-05-24 14:47
+package data_mask
+
+import (
+	"fmt"
+	"testing"
+)
+
+// TestMailDataMask_Mask ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 14:47 2023/5/24
+func TestMailDataMask_Mask(t *testing.T) {
+	i := &MailDataMask{}
+	fmt.Println(i.Mask("baichaqinghuan123@123.com"))
+}