樓主項(xiàng)目中需要有一個(gè)輪播圖邢笙，因?yàn)楸容^簡單，就自己寫了個(gè)淤齐，因?yàn)槭菑木W(wǎng)上弄得圖片 所以用了SDWebImage 這個(gè)三方庫 當(dāng)然自己也可以去掉
類型后面有*號 如用使用 請自行加上歉铝。。碑诉。。侥锦。
代碼：进栽。h 文件
@protocol TJXViewDelegate<NSObject>
//判斷點(diǎn)擊的那個(gè)
-(void)sendImageName:(TJXView *)TJXView andName:(NSInteger)selectImage;
@end
@interface TJXView : UIView
@property (nonatomic,weak)id<TJXViewDelegate>delegate;
//傳一個(gè)frame 和 裝有圖片名字的數(shù)組過來
//參數(shù)一：frame
//參數(shù)二：裝有圖片名字的數(shù)組
//參數(shù)三：BOOL如果是YES，那么自動滾動恭垦，如果是NO不滾動
-(id)initWithFrame:(CGRect)frame andImageNameArray:
(NSMutableArray * )imageNameArray andIsRunning:(BOOL)isRunning;
@end
.m文件
@interface TJXView()<UIScrollViewDelegate>
{
NSInteger _currentPage; //記錄真實(shí)的頁碼數(shù)
NSTimer *_timer; //生命一個(gè)全局變量
}
@property (nonatomic,assign) BOOL isRun;
@property (nonatomic,strong) NSMutableArray *imageArray;//存儲圖片的名字
@property (nonatomic,strong) UIScrollView *scrollView;
@property (nonatomic,strong) UIPageControl *pageControl;
@property (nonatomic,assign) CGFloat width;//view的寬
@property (nonatomic,assign) CGFloat height;//view的高
@end
快毛、格嗅、、
-(id)initWithFrame:(CGRect)frame andImageNameArray:(NSMutableArray *)imageNameArray andIsRunning:(BOOL)isRunning{
self = [super initWithFrame:frame];
if (self) {
_width = self.frame.size.width;
_height = self.frame.size.height;
//arrayWithArray 把數(shù)組中的內(nèi)容放到一個(gè)數(shù)組中返回
self.imageArray = [NSMutableArray arrayWithArray:imageNameArray];
//在數(shù)組的尾部添加原數(shù)組第一個(gè)元素
[self.imageArray addObject:[imageNameArray firstObject]];
//在數(shù)組的首部添加原數(shù)組最后一個(gè)元素
[self.imageArray insertObject:[imageNameArray lastObject] atIndex:0];
self.isRun = isRunning;
_currentPage = 0;
[self createSro];
[self createPageControl];
[self createTimer];
}
return self;
}
唠帝、屯掖、、
-(void)createTimer{
if (_isRun == YES) {
_timer = [NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(change) userInfo:nil repeats:YES ];
[[NSRunLoop currentRunLoop]addTimer:_timer forMode:NSRunLoopCommonModes]; }
}
-(void)change{
//1獲得當(dāng)前的點(diǎn)
CGPoint point = _scrollView.contentOffset;
//2求得將要變換的點(diǎn)
CGPoint endPoint = CGPointMake(point.x+_width, 0);
//判斷
if (endPoint.x == (self.imageArray.count-1)*_width) {
[UIView animateWithDuration:0.25 animations:^{
_scrollView.contentOffset = CGPointMake(endPoint.x, 0);
} completion:^(BOOL finished) {
//動畫完成的block
_scrollView.contentOffset = CGPointMake(_width, 0);
CGPoint realEnd = _scrollView.contentOffset;
//取一遍頁碼數(shù)
_currentPage = realEnd.x/_width;
_pageControl.currentPage = _currentPage-1;
}];
}
else{
//0.25s中更改一個(gè)圖片
[UIView animateWithDuration:0.25 animations:^{
_scrollView.contentOffset = endPoint;
} completion:^(BOOL finished) {
}];
CGPoint realEnd = _scrollView.contentOffset;
//取一遍頁碼數(shù)
_currentPage = realEnd.x/_width;
_pageControl.currentPage = _currentPage-1;
}
}
//創(chuàng)建頁碼指示器
-(void)createPageControl{
_pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(_width-200, _height-30, 100, 30)];
_pageControl.centerX = _width/2;
_pageControl.numberOfPages = self.imageArray.count-2;
_pageControl.pageIndicatorTintColor = WP_GRAY_COLOR;
_pageControl.currentPageIndicatorTintColor = [UIColor whiteColor];
_pageControl.userInteractionEnabled = NO;
[self addSubview:_pageControl];
}
//創(chuàng)建滾動視圖
-(void)createSro{
_scrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, _width, _height)];
_scrollView.contentSize = CGSizeMake(_width*self.imageArray.count, _height);
for (int i = 0; i < self.imageArray.count; i++) {
UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(i*_width, 0, _width, _height)];
// imageView.image = [UIImage imageNamed:self.imageArray[i]];
[imageView sd_setImageWithURL:self.imageArray[i] placeholderImage:[UIImage imageNamed:@"home_banner_blank"]];
imageView.userInteractionEnabled = YES;
imageView.tag = 200+i;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tap:)];
[imageView addGestureRecognizer:tap];
[_scrollView addSubview:imageView];
}
//水平指示條不顯示
_scrollView.showsHorizontalScrollIndicator = NO;
//關(guān)閉彈簧效果
_scrollView.bounces = NO;
//設(shè)置用戶看到第一張
_scrollView.contentOffset = CGPointMake(_width, 0);
//設(shè)置代理
_scrollView.delegate = self;
//分頁效果
_scrollView.pagingEnabled = YES;
[self addSubview:_scrollView];
}
-(void)tap:(UITapGestureRecognizer *)tap{
if(_delegate&&[_delegate respondsToSelector:@selector(sendImageName:andName:)]){
[_delegate sendImageName:self andName:tap.view.tag-201];
}else{
NSLog(@"沒有設(shè)置代理或者沒有事先協(xié)議的方法");
}
}
#pragma mark UIScrollViewDelegate
//停止?jié)L動
-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
if (_timer) {
[_timer setFireDate:[NSDate dateWithTimeIntervalSinceNow:2]];
}
//圖片的個(gè)數(shù) 1 2 3 4 5 6 7 8
//真實(shí)的頁碼 0 1 2 3 4 5 6 7
//顯示的頁碼 0 1 2 3 4 5
CGPoint point = _scrollView.contentOffset;
if (point.x == (self.imageArray.count-1)*_width) {
scrollView.contentOffset = CGPointMake(_width, 0);
}
if (point.x == 0) {
scrollView.contentOffset = CGPointMake((self.imageArray.count-2)*_width, 0);
}
//取一遍頁碼數(shù)
CGPoint endPoint = scrollView.contentOffset;
_currentPage = endPoint.x/_width;
_pageControl.currentPage = _currentPage-1;
}
//手指開始觸摸的時(shí)候襟衰，停止計(jì)時(shí)器
-(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
if (_timer) {
//如果有贴铜，停掉
[_timer setFireDate:[NSDate distantFuture]];
}
}
在項(xiàng)目中 導(dǎo)入頭文件 遵守代理
TJXView * TJXView = [[TJXView alloc]initWithFrame:CGRectMake(0, 0, WPSCREEN_WIDTH, 100*WPSCREEN_HIGTH_RATIO) andImageNameArray:self.bannerImager andIsRunning:YES];
TJXView.delegate = self;
[self.view addSubview: TJXView];
#pragma mark TJXViewDelegate
-(void)sendImageName:(TJXView *) TJXView andName:(NSInteger)selectImage{
KKLog(@"%ld",(long)selectImage);
}
