46 lines
638 B
Go
46 lines
638 B
Go
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package main
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import (
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"errors"
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"fmt"
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)
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func t() error {
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a := 10
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b := 5
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if b == 0 {
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return errors.New("除数不能为零")
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} else {
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res := a / b
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fmt.Println(res)
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return nil
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}
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}
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func main() {
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err := t()
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if err != nil {
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fmt.Println("自定义错误")
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//停止后面程序继续执行
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panic(err)
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}
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fmt.Println("继续执行")
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var scores [5]int
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scores[0] = 10
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scores[1] = 10
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scores[2] = 30
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scores[3] = 40
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for i := 0; i < len(scores); i++ {
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fmt.Println(scores[i])
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fmt.Scanln(&scores[i])
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}
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//索引用key接收 value用于里面的值
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for key, value := range scores {
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fmt.Println(key, value)
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}
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}
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