24 lines
592 B
Go
24 lines
592 B
Go
package tool
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import (
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"strings"
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)
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func MaskEmail(email string) string {
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atIndex := strings.Index(email, "@")
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if atIndex == -1 || atIndex == 0 || atIndex == len(email)-1 {
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return email
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}
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localPart := email[:atIndex]
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domainPart := email[atIndex+1:]
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// 本地部分需要至少保留首字符和末字符
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if len(localPart) < 2 {
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return email
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}
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// 替换本地部分中间字符为星号
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maskedLocal := string(localPart[0]) + strings.Repeat("*", len(localPart)-2) + string(localPart[len(localPart)-1])
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// 返回处理后的邮箱地址
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return maskedLocal + "@" + domainPart
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}
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