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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] ## demo 在模塊內部直接使用 panic ,外部通過 recover 接受異常并返回錯誤 ``` func Unmarshal() (err error) { defer func() { if r := recover(); r != nil { err = r.(error) } }() a() return nil } func a() { panic(errors.New("this is a error")) } func main() { e := Unmarshal() if e != nil { fmt.Printf("%+v\n", e) } time.Sleep(1 * time.Second) fmt.Println("end") //output //this is a error //end } ```
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                              哎呀哎呀视频在线观看