循环

Go语言仅支持循环关键字 for

for i := 0; i<5; i++

示例

while 条件循环

SRE实战 互联网时代守护先锋，助力企业售后服务体系运筹帷幄！一键直达领取阿里云限量特价优惠。

while(n<5)

n := 0
for n < 5 {
  n++
  fmt.Println(n)
}

while 无限循环

while(true)

for {
  ...
}

package loop

import "testing"

func TestWhileLoop(t *testing.T)  {
    n:=0
    for n<5{
        t.Log(n)
        n++
    }
}

输出

=== RUN   TestWhileLoop
--- PASS: TestWhileLoop (0.00s)
    loop_test.go:8: 0
    loop_test.go:8: 1
    loop_test.go:8: 2
    loop_test.go:8: 3
    loop_test.go:8: 4
PASS

Process finished with exit code 0

if 条件

if condition {
    // code to be executed if condition is true
} else {
    // code to be executed if condition is false
}

if condition-1 {
    // code to be executed if condition-1 is true
} else if condition-2 {
    // code to be executed if condition-2 is true
} else {
    // code to be executed if condition is false
}
  • condition 表达式结果必须为布尔值
  • 支持变量赋值
if var declaration; condition {
    // code to be executed if condition is true
}
扫码关注我们
微信号：SRE实战
拒绝背锅 运筹帷幄