40 lines
912 B
Go
40 lines
912 B
Go
// pkg/utils/trade.go
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package utils
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import (
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"crypto/rand"
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"fmt"
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"time"
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)
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// GenerateTradeNo 生成订单号 (时间戳 + 随机数，共24位)
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func GenerateTradeNo() string {
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timestamp := time.Now().Format("20060102150405")
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random := make([]byte, 5)
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rand.Read(random)
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return fmt.Sprintf("%s%x", timestamp, random)
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}
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// GenerateSettleNo 生成结算单号
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func GenerateSettleNo() string {
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timestamp := time.Now().Format("20060102150405")
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random := make([]byte, 4)
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rand.Read(random)
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return fmt.Sprintf("S%s%x", timestamp, random)
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}
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// GenerateAPIKey 生成商户API密钥 (32位)
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func GenerateAPIKey() string {
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b := make([]byte, 16)
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rand.Read(b)
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return fmt.Sprintf("%x", b)
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}
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// GenerateRefundNo 生成退款单号
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func GenerateRefundNo() string {
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timestamp := time.Now().Format("20060102150405")
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random := make([]byte, 4)
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rand.Read(random)
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return fmt.Sprintf("R%s%x", timestamp, random)
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}
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