Go by Example ไธญๆ็: ้ๆบๆฐ
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Go ็ |
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package main |
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import ( "fmt" "math/rand" "time" ) |
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func main() { |
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ไพๅฆ๏ผ |
fmt.Print(rand.Intn(100), ",") fmt.Print(rand.Intn(100)) fmt.Println() |
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fmt.Println(rand.Float64()) |
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่ฟไธชๆๅทงๅฏไปฅ็จๆฅ็ๆๅ
ถไป่ๅด็้ๆบๆตฎ็นๆฐ๏ผ
ไพๅฆ๏ผ |
fmt.Print((rand.Float64()*5)+5, ",") fmt.Print((rand.Float64() * 5) + 5) fmt.Println() |
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้ป่ฎคๆ
ๅตไธ๏ผ็ปๅฎ็็งๅญๆฏ็กฎๅฎ็๏ผๆฏๆฌก้ฝไผไบง็็ธๅ็้ๆบๆฐๆฐๅญๅบๅใ
่ฆไบง็ไธๅ็ๆฐๅญๅบๅ๏ผ้่ฆ็ปๅฎไธไธชไธๅ็็งๅญใ
ๆณจๆ๏ผๅฏนไบๆณ่ฆๅ ๅฏ็้ๆบๆฐ๏ผไฝฟ็จๆญคๆนๆณๅนถไธๅฎๅ
จ๏ผ
ๅบ่ฏฅไฝฟ็จ |
s1 := rand.NewSource(time.Now().UnixNano()) r1 := rand.New(s1) |
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่ฐ็จไธ้ข่ฟๅ็ |
fmt.Print(r1.Intn(100), ",") fmt.Print(r1.Intn(100)) fmt.Println() |
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ๅฆๆไฝฟ็จ็ธๅ็งๅญ็ๆ็้ๆบๆฐ็ๆๅจ๏ผไผ็ๆ็ธๅ็้ๆบๆฐๅบๅใ |
s2 := rand.NewSource(42) r2 := rand.New(s2) fmt.Print(r2.Intn(100), ",") fmt.Print(r2.Intn(100)) fmt.Println() s3 := rand.NewSource(42) r3 := rand.New(s3) fmt.Print(r3.Intn(100), ",") fmt.Print(r3.Intn(100)) } |
$ go run random-numbers.go 81,87 0.6645600532184904 7.123187485356329,8.434115364335547 0,28 5,87 5,87 |
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ๆๅ
ณ Go ๆไพ็ๅ
ถไป้ๆบๆฐ็ไฟกๆฏ๏ผ
่ฏทๅ้
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ไธไธไธชไพๅญ: ๆฐๅญ่งฃๆ