XiaoYiShi/YSScrollView

三图轮播 scrollImageView 滚动图

YSScrollView

三张图片无限滚动控件

• 本项目需结合SDWebImage使用，demo中使用cocoapads导入SDWebImage
• 使用前，请将对应语言下的YSScrollView文件夹导入工程

swift

    var banner : YSScrollView? = nil //轮播图

    let imageUrlStringArray = ["http://imgsrc.baidu.com/forum/pic/item/d097f603738da97772b89243b251f8198718e3ce.jpg",
                                "http://imgsrc.baidu.com/forum/w%3D580/sign=a49682b40afa513d51aa6cd60d6d554c/18055aafa40f4bfbcef4893c014f78f0f73618bc.jpg",
                                "http://imgsrc.baidu.com/forum/w%3D580/sign=012250d34510b912bfc1f6f6f3fcfcb5/4f658535e5dde7115cdc549ea5efce1b9d166157.jpg",
                                "http://imgsrc.baidu.com/forum/w%3D580/sign=56ae691222a446237ecaa56aa8237246/e3360a55b319ebc48cc965f18026cffc1e17162f.jpg",
                                "http://imgsrc.baidu.com/forum/w%3D580/sign=3290b51dd488d43ff0a991fa4d1fd2aa/541c9d16fdfaaf513d4d93d78e5494eef01f7a37.jpg"]

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        self.automaticallyAdjustsScrollViewInsets = false
        self.view.backgroundColor = UIColor.white

        self.banner = YSScrollView.init(frame: CGRect.init(x: 0, y: 20, width: SCREEN_WIDTH, height: 270*WIDTHBASE))
        self.banner?.delegate = self
        self.banner?.backgroundColor = UIColorFromRGB(0xf5f5f5)
        self.view.addSubview(self.banner!)
        
        self.banner?.placeImageName = "img_sara"
        self.banner?.imageURLArray = self.imageUrlStringArray
    }

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        //进入VC把timer开启
        self.banner?.timerOn()
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        //离开VC把timer关闭，节约内存
        self.banner?.timerOff()
    }

    //YSScrollViewDelegate操作返回
        func YSScrollViewTouch(index: NSInteger) {
        if index < self.imageUrlStringArray.count {
            print("这张题片下标是\(index)")
        }
    }

objective-c

#import "YSScrollView.h"
#import "Header.h"

@interface ViewController () <YSScrollViewDelegate>

@property (strong, nonatomic) YSScrollView *banner;//轮播图
@property (strong, nonatomic) NSArray *imageUrlStringArray;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.

    self.automaticallyAdjustsScrollViewInsets = NO;
    self.view.backgroundColor = [UIColor whiteColor];

    [self.view addSubview:self.banner];
    self.banner.placeImageName = @"img_sara";
    self.banner.imageURLArray = self.imageUrlStringArray;
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];

    [_banner timerOn];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    //离开viewcontroller把timer关闭，节约内存
    [_banner timerOff];
}

#pragma mark - init
- (NSArray *)imageUrlStringArray {
    if (!_imageUrlStringArray) {
        _imageUrlStringArray = [NSArray arrayWithObjects:
                                @"http://imgsrc.baidu.com/forum/pic/item/d097f603738da97772b89243b251f8198718e3ce.jpg",
                                @"http://imgsrc.baidu.com/forum/w%3D580/sign=a49682b40afa513d51aa6cd60d6d554c/18055aafa40f4bfbcef4893c014f78f0f73618bc.jpg",
                                @"http://imgsrc.baidu.com/forum/w%3D580/sign=012250d34510b912bfc1f6f6f3fcfcb5/4f658535e5dde7115cdc549ea5efce1b9d166157.jpg",
                                @"http://imgsrc.baidu.com/forum/w%3D580/sign=56ae691222a446237ecaa56aa8237246/e3360a55b319ebc48cc965f18026cffc1e17162f.jpg",
                                @"http://imgsrc.baidu.com/forum/w%3D580/sign=3290b51dd488d43ff0a991fa4d1fd2aa/541c9d16fdfaaf513d4d93d78e5494eef01f7a37.jpg",
                                nil];
    }
    return _imageUrlStringArray;
}

- (YSScrollView *)banner {
    if (!_banner) {
        _banner = [[YSScrollView alloc] initWithFrame:CGRectMake(0, 20, SCREEN_WIDTH, 270*WIDTHBASE)];
        _banner.delegate = self;
        _banner.backgroundColor = UIColorFromRGB(0xf5f5f5);
    }
    return _banner;
}

#pragma mark - YSScrollViewDelegate
- (void)YSScrollViewTouchIndex:(NSInteger)index
{
    if (index<_imageUrlStringArray.count) {
        DLog(@"这张题片下标是%ld",(long)index);
    }
}

@end