Golang基本用法(三)

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package main

import "fmt"

func main() {
	number := 1
	if number <10{
		fmt.Println("number<10")
	}else{
		fmt.Println("number>10")
	}
}

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package main

import "fmt"

func main() {
	number :=10
	for i:=0;i<number;i++{
		fmt.Println(i)
	}
	var t int
	for ;;t++{
		fmt.Println(t)
		if t>5{
			break //跳出当前循环;continue跳过当前这一次的循环，继续下一次的循环
		}
	}
}

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package main

import "fmt"

func main() {
	var arr  = [3]int{1,2,3}
	var slice  = make([]int,3)
	slice[0] =1
	slice[1] =2
	var m  = map[int]int{1:1,2:2}

	for k,v :=range arr{
		fmt.Println(k,v)
	}
	for k,v :=range slice{
		fmt.Println(k,v)
	}
	for k,v :=range m{
		fmt.Println(k,v)
	}
}

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package main

import "fmt"

func main() {
	var n = 66
	switch {
	case n < 60:
		fmt.Println("n<60")
	case n > 60:
		fmt.Println("n>60")
	}
}