Chuanshuoge: golang2

Saturday 19 September 2020

//tutorial.go

package main

import "fmt"

func main() {

price := 12.3

fmt.Printf("value is %v, type is %t\n\n", price, price)

decimal := 1025

fmt.Printf("%b\n", decimal)

fmt.Printf("%c\n", decimal)

fmt.Printf("%d\n", decimal)

fmt.Printf("%o\n", decimal)

fmt.Printf("%q\n", decimal)

fmt.Printf("%x\n\n", decimal)

number := 12345.6789

fmt.Printf("%e\n", number)

fmt.Printf("%.2f\n", number)

fmt.Printf("%15.2f\n", number)

}

//cmd

C:\Users\bob\golang1>go run tutorial.go

value is 12.3, type is %!t(float64=12.3)

10000000001

1025

2001

'Ё'

401

1.234568e+04

12345.68

reference:

Chuanshuoge