点击运行
package main import ( "fmt" "os" ) func main() { f, err := os.Open("test.txt") if err != nil { if pErr, ok := err.(*os.PathError); ok { fmt.Println("Failed to open file at path", pErr.Path) return } fmt.Println("Generic error", err) return } fmt.Println(f.Name(), "opened successfully") }
运行结果 :
正在执行...
