add self-defined type password and mobile

utils/cd/mobile.go

+package cd
+
+import (
+	"encoding/xml"
+	"strings"
+	"unicode"
+)
+
+type Mobile string
+
+func (d *Mobile) MarshalCSV() (string, error) {
+	if d == nil {
+		return "", nil
+	}
+	return MaskPhone(string(*d)), nil
+}
+
+func (d *Mobile) UnmarshalCSV(csv string) error {
+	*d = Mobile(csv)
+	return nil
+}
+
+// MarshalJSON 实现JSON序列化
+func (d *Mobile) MarshalJSON() ([]byte, error) {
+	if d == nil {
+		return []byte(`null`), nil
+	}
+	return []byte(`"` + MaskPhone(string(*d)) + `"`), nil
+}
+
+// UnmarshalJSON 实现JSON反序列化
+func (d *Mobile) UnmarshalJSON(data []byte) error {
+	if string(data) == `null` {
+		*d = ""
+		return nil
+	}
+	s := strings.Trim(string(data), `"`)
+	*d = Mobile(s)
+	return nil
+}
+
+// MarshalXML 实现XML序列化
+func (d *Mobile) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if d == nil {
+		return nil
+	}
+	return e.EncodeElement(MaskPhone(string(*d)), start)
+}
+
+// UnmarshalXML 实现XML反序列化
+func (d *Mobile) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) error {
+	var s string
+	if err := dec.DecodeElement(&s, &start); err != nil {
+		return err
+	}
+	*d = Mobile(s)
+	return nil
+}
+
+// MaskPhone 智能识别手机号格式并脱敏
+func MaskPhone(phone string) string {
+	// 提取纯数字
+	digits := strings.Map(func(r rune) rune {
+		if unicode.IsDigit(r) {
+			return r
+		}
+		return -1
+	}, phone)
+
+	switch {
+	case len(digits) == 8: // 本地8位号码
+		return digits[:2] + strings.Repeat("*", 4) + digits[6:]
+	case len(digits) == 11: // 标准11位手机
+		return digits[:3] + strings.Repeat("*", 4) + digits[7:]
+	case len(digits) == 12: // 带区号的12位
+		return digits[:4] + strings.Repeat("*", 4) + digits[8:]
+	default:
+		return phone // 其他格式原样返回
+	}
+}

utils/cd/password.go

+package cd
+
+import (
+	"encoding/xml"
+	"strings"
+)
+
+type Password string
+
+func (d *Password) MarshalCSV() (string, error) {
+	if d == nil {
+		return "******", nil
+	}
+	return "******", nil
+}
+
+func (d *Password) UnmarshalCSV(csv string) error {
+	*d = Password(csv)
+	return nil
+}
+
+// MarshalJSON 实现JSON序列化
+func (d *Password) MarshalJSON() ([]byte, error) {
+	if d == nil {
+		return []byte(`null`), nil
+	}
+	return []byte(`"******"`), nil
+}
+
+// UnmarshalJSON 实现JSON反序列化
+func (d *Password) UnmarshalJSON(data []byte) error {
+	if string(data) == `null` {
+		*d = ""
+		return nil
+	}
+	s := strings.Trim(string(data), `"`)
+	*d = Password(s)
+	return nil
+}
+
+// MarshalXML 实现XML序列化
+func (d *Password) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if d == nil {
+		return nil
+	}
+	return e.EncodeElement("******", start)
+}
+
+// UnmarshalXML 实现XML反序列化
+func (d *Password) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) error {
+	var s string
+	if err := dec.DecodeElement(&s, &start); err != nil {
+		return err
+	}
+	*d = Password(s)
+	return nil
+}