25 lines
527 B
Go
25 lines
527 B
Go
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package captcha
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import (
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"math/rand"
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"time"
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)
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// RandDigit 随机数
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func RandDigit(max int) int {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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return r.Intn(max)
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}
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// RandDigitRange 随机数范围
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func RandDigitRange(max int, min int) int {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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return r.Intn(max-min) + min
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}
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// RandChooseOne 数组随机选一个元素
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func RandChooseOne[T any](reasons []T) T {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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return reasons[r.Intn(len(reasons))]
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}
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