iOS开发之自定义多控制器的切换

1.效果

2.主要代码

//
//  ViewController.m
//  moreControllers
//
//  Created by admin on 16/4/19.
//  Copyright © 2016年 tinghou. All rights reserved.
//
#define HTColor(r, g, b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]
#define HTColorRGBA(r, g, b, a) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:a]
#define Screen_width [[UIScreen mainScreen] bounds].size.width

#import "ViewController.h"
#import "SwitchMenuView.h"
#import "SwitchMenuViewModel.h"
#import "UIView+Extension.h"
#import "leftViewController.h"
#import "centerViewController.h"
#import "rightViewController.h"
@interface ViewController ()<SwitchMenuViewDelegate>
@property (strong,nonatomic)SwitchMenuView *segmentMenu;
/** 正在显示的控制器 */
@property (nonatomic, weak) UIViewController *showingVc;
/** 用来存放子控制器的view */
@property (nonatomic, weak) UIView *contentView;

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
[self addsegMenu];
}

-(void)initChileViewControllers{
UIView *contentView = [[UIView alloc] init];
contentView.frame = CGRectMake(0, 64, self.view.frame.size.width, self.view.frame.size.height - 64);
[self.view addSubview:contentView];
self.contentView = contentView;

[self addChildViewController:[[leftViewController alloc] init]];
//    [self.childViewControllers[0] didMoveToParentViewController:self];

[self addChildViewController:[[centerViewController alloc] init]];
[self addChildViewController:[[rightViewController alloc] init]];
self.showingVc = self.childViewControllers[0];
[self.contentView addSubview:self.showingVc.view];

}

-(void)addsegMenu
{

SwitchMenuViewModel * titles = [SwitchMenuViewModel sharedsegMentTitles];
titles.titleArray = [NSMutableArray arrayWithObjects:@"左",@"中",@"右",nil];
titles.bgColorArray = [NSMutableArray arrayWithObjects:HTColorRGBA(232, 232, 232,0.3),HTColorRGBA(28, 127, 242, 0.5),nil];
//标题颜色
UIColor * btnTitleColour = [UIColor whiteColor];
//标题字体
//    UIFont * font = [UIFont systemFontOfSize:17];
UIFont * font = [UIFont boldSystemFontOfSize:16];
titles.titleEdgeInsets =  [NSMutableArray arrayWithObjects:@0,@10,@0,@0, nil];
titles.contentEdgeInsets =[NSMutableArray arrayWithObjects:@0,@30,@0,@0,nil];
titles.titleElements = [NSMutableArray arrayWithObjects:btnTitleColour,font,nil];
_segmentMenu = [[SwitchMenuView alloc]init];
_segmentMenu.layer.borderWidth = 1;
_segmentMenu.layer.cornerRadius = 15;
_segmentMenu.layer.borderColor = [UIColor whiteColor].CGColor;
_segmentMenu.layer.masksToBounds = YES;
_segmentMenu.delegate = self;
_segmentMenu.height = 30;
_segmentMenu.x = 10.0;
_segmentMenu.y = 25.0;
_segmentMenu.width = Screen_width-20.0;
[self.view addSubview:_segmentMenu];
}
#pragma mark ---SwitchMenuViewDelegate---
- (void)SwitchMenuView:(SwitchMenuView *)menu didSelectedButtonFromIndex:(int)fromIndex toIndex:(int)toIndex
{

[self initChileViewControllers];
// 移除其他控制器的view
[self.showingVc.view removeFromSuperview];

// 获得控制器的位置（索引）
NSUInteger index = toIndex;

// 当前控制器的索引
NSUInteger oldIndex = [self.childViewControllers indexOfObject:self.showingVc];

// 添加控制器的view
self.showingVc = self.childViewControllers[index];
self.showingVc.view.frame = self.contentView.bounds;

[self.contentView addSubview:self.showingVc.view];

// 动画
CATransition *animation = [CATransition animation];
animation.type = @"cube";
animation.subtype = index > oldIndex ? kCATransitionFromRight:kCATransitionFromLeft;

animation.duration = 0.5;
//非动画
//    [self.contentView.layer addAnimation:animation forKey:nil];
//动画
[self.view.layer addAnimation:animation forKey:nil];
}

@end

3.项目目录结构

3.demo下载地址