package main import "fmt" func main() { var b int = 15 var a int numbers := [6]int{1, 2, 3, 5} /* for 循环 */ for a := 0; a < 10; a++ { fmt.Printf("a 的值为: %d\n", a) } for a < b { a++ fmt.Printf("a 的值为: %d\n", a) } for i,x:= range numbers { fmt.Printf("第 %d 位 x 的值 = %d\n", i,x) } }