UYOU
strings.TrimSpace(s)例如,package mainimport ( "fmt" "strings")func main() { s := "\t Hello, World\n " fmt.Printf("%d %q\n", len(s), s) t := strings.TrimSpace(s) fmt.Printf("%d %q\n", len(t), t)}输出:16 "\t Hello, World\n "12 "Hello, World"