本文实例为大家分享了iOS多控制器实现带滑动动画的具体代码，供大家参考，具体内容如下

主控制器 ,管理控制器 .h文件

//宏
#define kScreenWidth [UIScreen mainScreen].bounds.size.width
#define kScreenHeight [UIScreen mainScreen].bounds.size.height

#import "MYMainViewController.h"
#import "MYFirstViewController.h"
#import "MYSecondViewController.h"
#import "MYThirdViewController.h"

@interface MYMainViewController ()<UIScrollViewDelegate>
//控制器名
@property (nonatomic, strong) NSArray *VcNames;
//选择栏
@property(nonatomic, strong) UIView *clickBar;
//底部容器scrollView
@property (strong, nonatomic) UIScrollView *containerScrollerView;

@end

. m 文件

底部scrollView , 用于滑动

@implementation MYMainViewController

- (UIScrollView *)containerScrollerView
{
  if (!_containerScrollerView) {
    _containerScrollerView = [[UIScrollView alloc]init];
    _containerScrollerView.pagingEnabled = YES;
    _containerScrollerView.showsVerticalScrollIndicator = NO;
    _containerScrollerView.showsHorizontalScrollIndicator = NO;
    _containerScrollerView.contentSize = CGSizeMake(kScreenWidth *self.VcNames.count,kScreenHeight);
    _containerScrollerView.backgroundColor = [UIColor whiteColor];
    _containerScrollerView.delegate = self;
  }
  return _containerScrollerView;
}

初始化顶部选择栏

//三个子控制器
- (NSArray *)VcNames
{
  if (!_VcNames) {
    _VcNames = @[@"控制器一",@"控制器二",@"控制器三"];
  }
  return _VcNames;
}

//点击选择栏
- (UIView *)clickBar
{
  if (!_clickBar) {
    _clickBar = [[UIView alloc]init];
    _clickBar.backgroundColor = [UIColor lightGrayColor];

    CGFloat width = kScreenWidth / 3;
    CGFloat height = 44;
    //初始化按钮
    for (NSInteger index = 0; index < 3; index++) {

      UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
      [button setTitle:self.VcNames[index] forState:UIControlStateNormal];
      [button setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
      button.frame = (CGRect){width *index,0,width,height};
      [button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

      //绑定tag值
      button.tag = index;
      [_clickBar addSubview:button];
    }
  }
  return _clickBar;
}

viewDidLoad

- (void)viewDidLoad {
  [super viewDidLoad];

  self.edgesForExtendedLayout = 0;
  //初始化选择栏
  [self initClickBar];

  //初始化底部scrollView容器
  [self initScrollViewContainer];

  //初始化子控制器
  [self addChildControllers];

}

添加子控制器 , 初始化UI

//按钮选择栏
- (void)initClickBar
{
  [self.view addSubview:self.clickBar];
  self.clickBar.frame = (CGRect){0,0,[UIScreen mainScreen].bounds.size.width,44};
}

//初始化滑动容器
- (void)initScrollViewContainer
{
  [self.view addSubview:self.containerScrollerView];
  self.containerScrollerView.frame = CGRectMake(0,44,kScreenWidth, kScreenHeight );
}

//添加子控制器
- (void)addChildControllers
{
  //为了方便直观 , 在此处设置背景色 (实际开发中,不能在这里设置 , 原因是这里只要调用到了控制器的view属性 , 该控制器将会执行viewDidLoad方法 , 相当于直接一开始就将三个控制器的所有UI和网络请求全加载完了 , 负荷会相当重)
  MYFirstViewController *firstVc = [[MYFirstViewController alloc]init];
  firstVc.view.backgroundColor = [UIColor redColor];
  [self addChildViewController:firstVc];

  MYSecondViewController *secondVc = [[MYSecondViewController alloc]init];
  secondVc.view.backgroundColor = [UIColor blueColor];
  [self addChildViewController:secondVc];

  MYThirdViewController *thirdVc = [[MYThirdViewController alloc]init];
  thirdVc.view.backgroundColor = [UIColor yellowColor];
  [self addChildViewController:thirdVc];

  //默认展示第一个子控制器
  [self scrollViewDidEndDecelerating:self.containerScrollerView];
}

按钮点击事件实现 , 代理方法实现

//选择栏按钮点击事件
- (void)buttonClick:(UIButton *)button
{
  [self.containerScrollerView setContentOffset:CGPointMake(button.tag *kScreenWidth, 0) animated:YES];
}

//滑动减速时调用
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
  //获取contentOffset
  CGPoint currentOffset = scrollView.contentOffset;

  NSInteger page = currentOffset.x / kScreenWidth;

  //取出对应控制器
  UIViewController *viewController = self.childViewControllers
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