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【笔记】Go语言的错误处理机制
source link: https://loli.fj.cn/2023/05/17/Go%E8%AF%AD%E8%A8%80%E7%9A%84%E9%94%99%E8%AF%AF%E5%A4%84%E7%90%86%E6%9C%BA%E5%88%B6/
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【笔记】Go语言的错误处理机制
2023-05-17Go语言学习指北
Go语言的错误处理机制学习笔记
- 通过
recover()函数可以捕获到错误
// 可能会panic的函数
func 函数名() {
// 延迟处理异常
defer func() {
if err := recover(); err != nil {
// 捕获到了异常
fmt.Println(err.Error())
}
}()
// 其他代码
...
}
自定义错误
创建一个自定义错误
err := errors.New("报错内容")
通过panic()函数输出错误信息并终止程序运行
if err != nil {
panic(err)
}
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