func Random2(strings []string) string { //字符串数组 for i := len(strings) - 1; i > 0; i-- { num := rand.Intn(i + 1) strings[i], strings[num] = strings[num], strings[i] } str := "" for i := 0; i < len(strings); i++ { str += strings[i] } return str } func Random(obj []interface{}) []interface{} { //interface for i := len(obj) - 1; i > 0; i-- { num := rand.Intn(i + 1) obj[i], obj[num] = obj[num], obj[i] } new_obj := make([]interface{}, 0) for i := 0; i < len(obj); i++ { new_obj = append(new_obj,obj[i]) } return new_obj }
func randSlice(slice interface{}) { //切片乱序 rv := reflect.ValueOf(slice) if rv.Type().Kind() != reflect.Slice { return } length := rv.Len() if length < 2 { return } swap := reflect.Swapper(slice) rand.Seed(time.Now().Unix()) for i := length - 1; i >= 0; i-- { j := rand.Intn(length) swap(i, j) } return }