27 lines
455 B
Go
27 lines
455 B
Go
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package lzUtils
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import (
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"database/sql"
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"time"
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)
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// RenewMembership 延长会员有效期
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func RenewMembership(expiry sql.NullTime) sql.NullTime {
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// 确定基准时间
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var baseTime time.Time
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if expiry.Valid {
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baseTime = expiry.Time
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} else {
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baseTime = time.Now()
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}
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// 增加一年（自动处理闰年）
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newTime := baseTime.AddDate(1, 0, 0)
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// 返回始终有效的 NullTime
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return sql.NullTime{
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Time: newTime,
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Valid: true,
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}
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}
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