5.Go by Example: For

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Go by Example: For


for is Go’s only looping construct. Here are three basic types of for loops.

The most basic type, with a single condition.

A classic initial/condition/after for loop.

for without a condition will loop repeatedly until you break out of the loop or return from the enclosing function.

package main
import "fmt"
func main() {
 
 i := 1
 for i <= 3 {
 fmt.Println(i)
 i = i + 1
 }
 
 for j := 7; j <= 9; j++ {
 fmt.Println(j)
 }
 for {
 fmt.Println("loop")
 break
 }
}

译:
for 关键字是在go语言中唯一一个循环结构,下面的就是for循环的三个基本类型结构

最基本的是一个单条件

一个是 初始值/条件/然后的自身处理条件对于 for循环

for 循环对于没有条件的将会一直循环直到break出循环,或者在外围函数返回

package main
import "fmt"
func main() {
	i := 1
	for i <= 3 { //相当于while循环
		fmt.Println(i)
		i = i + 1
	}
	for j := 7; j <= 10; j++ { //传统的for循环
		fmt.Println(j)
	}
	for { //类似于 do。。。while循环
		fmt.Println("loop")
		break
	}
}

运行结果
go run for.go
1
2
3
7
8
9
10

loop

原文地址

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本文来自:CSDN博客

感谢作者:u013487968

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