IOS购物车界面实现效果示例

#pragma mark - 刷新底部的选车的数量  reloadBottonViewUI
-(void)reloadBottonViewUI
{
  if ([self.dataManager getAllGoodsArrCount]>0) {
    [self.toSelectCarBtn setTitle:[NSString stringWithFormat:@"去发车(%ld)",(long)[self.dataManager getAllGoodsArrCount]] forState:UIControlStateNormal];
  }else{
    [self.toSelectCarBtn setTitle:@"去发车" forState:UIControlStateNormal];
  }
}

#pragma mark - 去选车
-(void)toSelectCarBtnAction
{
  if ([self.dataManager getAllGoodsArrCount]>0) {
    //do something
    [self showSingleAlertViewWith:self title:@"提示" message:@"do something"];
  }else{
    [self showSingleAlertViewWith:self title:@"提示" message:@"请选择物品"];
  }
}