存档数据显示特效C++

        system("cls");
    	cout<<"存档中请稍等";
    	Sleep(1000);
    	system("cls");
    	srand(time(0));
		int i=rand()%4;
		cout<<"存档中."<<endl;
		cout<<"▏";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▎";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▍";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▋";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▊";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▏";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▎";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▍";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▌";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▋";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▊";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▉";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▉▏";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▉▎";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▉▍";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▉▌";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▉▋";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▉▊";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▉▉▏";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▉▉▎";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▉▉▍";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▉▉▌";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▉▉▋";
		Sleep(20);
		system("cls");
		cout<<"存档中."<<endl;
		cout<<"▉▉▉▋";
		Sleep(20);
		system("cls");
		cout<<"存档中.."<<endl;
		cout<<"▉▉▉▊";
		Sleep(20);
		system("cls");
		cout<<"存档中..."<<endl;
		cout<<"▉▉▉▉";
		Sleep(20);
		system("cls");
    	cout<<"存档完成！";
    	Sleep(1000);
    	system("cls");