24 lines
		
	
	
		
			537 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			537 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package utils
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| 
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| import (
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| 	"math/rand"
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| 	"time"
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| )
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| 
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| const source = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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| 
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| // 生成订单号  模版 BD20250220104501+6位随机数 避免 订单号重复
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| func GetOrderNo() string {
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| 	return "BD" + time.Now().Format("20060102150405") + GetRandomString(6)
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| }
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| 
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| // 生成随机字符串
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| func GetRandomString(length int) string {
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| 	rand.Seed(time.Now().UnixNano())
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| 	bytes := make([]byte, length)
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| 	for i := 0; i < length; i++ {
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| 		bytes[i] = source[rand.Intn(62)]
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| 	}
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| 	return string(bytes)
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| }
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