80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
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package main
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import "fmt"
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func main() {
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// 单分支
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// 判断分数 及格还是不及格
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var score int = 59
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if score >= 60 {
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println("及格")
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} else {
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println("不及格")
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}
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score = 85
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// 多分支
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// 判断分数 优秀 良好 中等 及格 不及格
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if score >= 90 {
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println("优秀")
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} else if score >= 80 {
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println("良好")
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} else if score >= 70 {
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println("中等")
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} else if score >= 60 {
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println("及格")
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} else {
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println("不及格")
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}
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// switch 多分支 进行重写
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switch {
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case score >= 90:
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println("优秀")
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case score >= 80:
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println("良好")
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fallthrough
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case score >= 70:
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println("中等")
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case score >= 60:
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println("及格")
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fallthrough
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default:
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println("不及格")
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}
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// 练习题
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// 身高1.8m以上, 25 ~ 35岁, 男
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// 则恭喜你通过面试 否则 谢谢参与
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p := Person{
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height: 1.9,
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age: 30,
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gender: "male",
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}
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if p.Passed() {
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fmt.Println("congratulations! your successed")
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} else {
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fmt.Println("not passed")
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}
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}
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type Person struct {
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height float32
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age uint
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gender string
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}
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// 身高1.8m以上, 25 ~ 35岁, 男
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func (p *Person) Passed() bool {
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if p.height > 1.8 {
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if p.age > 25 && p.age <= 35 {
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if p.gender == "male" {
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return true
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}
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}
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}
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return false
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}
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