本文参考了其它博文教程
//
// ViewController.m// example//// Created by jose on 15-3-8.// Copyright (c) 2015年 jose. All rights reserved.//#import "ViewController.h"@interface ViewController ()//采用全局变量@property(nonatomic,retain)UIView *lineview;@property(nonatomic,retain)UIScrollView *scrollview;@property(nonatomic,retain)UIPageControl *pagecontrol;@property CGFloat width;@property CGFloat heigt;@end@implementation ViewController@synthesize lineview=_lineview;@synthesize scrollview=_scrollview;@synthesize pagecontrol=_pagecontrol;@synthesize width=_width;@synthesize heigt=_heigt;- (void)viewDidLoad { [super viewDidLoad]; //设置背景颜色 self.view.backgroundColor=[UIColor whiteColor]; //获取屏幕的宽和高 _width=[UIScreen mainScreen].bounds.size.width; _heigt=[UIScreen mainScreen].bounds.size.height; //加载视图 [self sethead]; [self setscrollerview]; [self setimgagescrollerviews]; [self pagecontrollers]; [self addlabel]; [self labelbutton]; //定时器 [NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(cycleplay) userInfo:nil repeats:YES];}- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}//设置head-(void)sethead{ UIView *headview=[[UIView alloc]initWithFrame:CGRectMake(0, 0, _width, 60)]; headview.backgroundColor=[UIColor redColor]; [self.view addSubview:headview]; UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake((_width/2-40), 15, 80, 30)]; label.text=@"网易新闻"; label.textColor=[UIColor blackColor]; label.font=[UIFont systemFontOfSize:18]; [headview addSubview:label];}-(void)setscrollerview{ //创建scroller的大小，在视图中显示的大小 UIScrollView *scroller=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 60, _width, 30)]; //配置scroller的总大小 scroller.contentSize=CGSizeMake(_width, 30); //垂直提示 scroller.showsVerticalScrollIndicator=NO; scroller.backgroundColor=[UIColor grayColor]; [self.view addSubview:scroller]; NSMutableArray *scrollerarray=[NSMutableArray arrayWithObjects:@"科技",@"数码",@"军事",@"笑话",@"财经",@"娱乐",nil]; //添加按钮 for (int i=0; i<[scrollerarray count]; i++) { UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(50*i,0, 50, 30)]; [button setTitle:scrollerarray[i] forState:UIControlStateNormal]; button.tag=100+i; [button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside]; [scroller addSubview:button]; } _lineview=[[UIView alloc]initWithFrame:CGRectMake(0, 27, 50, 3)]; _lineview.backgroundColor=[UIColor blackColor]; //下划线 [scroller addSubview:_lineview];}//下划线-(void)click:(UIButton *)button{ //通过tag获取对应按钮的属性 _lineview.frame=CGRectMake(button.frame.origin.x, 27, 50, 3);}//添加imgagescroll-(void)setimgagescrollerviews{ _scrollview=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 90, _width, 240)]; _scrollview.contentSize=CGSizeMake(_width*5, 240); //偏移量 _scrollview.contentOffset=CGPointMake(320, 0); //添加图片视图 for (int i=0; i<5; i++){ UIImageView *imageview=[[UIImageView alloc]initWithFrame:CGRectMake(_width*i, 0, _width, 240)]; if(0==i) { //获取图片 imageview.image=[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:[NSString stringWithFormat:@"3"] ofType:@"jpg"]]; } if(i>=1 && i<=3) { imageview.image=[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:[NSString stringWithFormat:@"%d",i] ofType:@"jpg"]]; } if(4==i) { imageview.image=[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:[NSString stringWithFormat:@"1"] ofType:@"jpg"]]; } [_scrollview addSubview:imageview]; } _scrollview.showsHorizontalScrollIndicator=NO; _scrollview.showsVerticalScrollIndicator=NO; _scrollview.delegate=self; //设置分页 _scrollview.pagingEnabled=YES; _scrollview.tag=150; [self.view addSubview:_scrollview]; }//添加pagecontrol-(void)pagecontrollers{ _pagecontrol=[[UIPageControl alloc]initWithFrame:CGRectMake(120, 280, 80, 30)]; //页数 _pagecontrol.numberOfPages=3; //当前点的颜色 _pagecontrol.currentPageIndicatorTintColor=[UIColor orangeColor]; //没有选中的时候点的颜色 _pagecontrol.pageIndicatorTintColor=[UIColor blackColor]; _pagecontrol.tag=160; [_pagecontrol addTarget:self action:@selector(handpage:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:_pagecontrol]; }//点击事件-(void)handpage:(UIPageControl *)pagecontrol{ //获取scrollview UIScrollView *scrollview=(UIScrollView *)[self.view viewWithTag:150]; [scrollview setContentOffset:CGPointMake(_width*(pagecontrol.currentPage+1), 0)animated:YES]; }//代理-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ UIPageControl *pagecontrol=(UIPageControl *)[self.view viewWithTag:160]; pagecontrol.currentPage=(scrollView.contentOffset.x-_width)/_width; int i=(scrollView.contentOffset.x-_width)/_width+1; if(0==i) { scrollView.contentOffset=CGPointMake(_width*3, 0); pagecontrol.currentPage=2; } else if(4==i) { scrollView.contentOffset=CGPointMake(_width, 0); pagecontrol.currentPage=0; } }//循环播放-(void)cycleplay{ NSInteger current=_pagecontrol.currentPage; current++; if(current>2) { current=0; } _pagecontrol.currentPage=current; [self handpage:_pagecontrol]; }//添加标签属性-(void)addlabel{ UIView *label=[[UIView alloc]initWithFrame:CGRectMake(0, 330, 320, 60)]; label.backgroundColor=[UIColor colorWithRed:255/225.0 green:182/225.0 blue:193/225.0 alpha:1.0]; [self.view addSubview:label]; UILabel *labeltext=[[UILabel alloc]initWithFrame:CGRectMake(20, 20, 80, 20)]; labeltext.text=@"添加标签"; labeltext.font=[UIFont systemFontOfSize:18]; [label addSubview:labeltext];}//底部按钮创建-(void)labelbutton{ NSArray *array=[NSArray arrayWithObjects:@"科技",@"手机",@"电脑",@"相机",@"新闻",@"娱乐",@"搞笑",@"美文",@"旅游",@"音乐",@"生活",nil]; int n=0; for(int i=0;i<2;i++) { for (int j=0; j<4; j++) { UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(5+j*80, 400+i*40, 70, 30)]; [button setTitle:array[n++] forState:UIControlStateNormal]; button.backgroundColor=[UIColor lightGrayColor]; [self.view addSubview:button]; } }}@end
，如果没法忘记他，就不要忘记好了。真正的忘记，是不需要努力的。
