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ios 学习笔记 6 之 Slideshow ad

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网页上面常用的Jquery广告控件(slideshow)是通过div＋jquery来实现，ios上面实现主要通过UIPageControl+UIScrollView来结合实现，效果如下图：源码如下： 1 #import <Foundation/Foundation.h> 2 @class SlideView; 3 4 @protocol SlideScrollDelegate <NSObject> 5 6 -( void )slideshowDidChangeCurrentView:(SlideView *)slideview CurrentPage:( int ) currentPage; 7 8 @end 1 #import <UIKit/UIKit.h> 2 #import " SlideView.h " 3 #import " SlideScrollDelegate.h " 4 5 @interface SlideViewController : UIViewController<SlideScrollDelegate> 6 { 7 NSMutableArray *pages; 8 SlideView *slideshow; 9 } 10 11 -( void )slideshowDidChangeCurrentView:(SlideView *)slideview

Multiple slideshows on one page makes the first one not work anymore

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问题 First of all I know this question's been asked before the answer wasn't solving my problem so I'd like to ask it again : I used a Slideshow code from "W3school" wich provides a nice animated Jquery slideshow. unfortunately, I need more than one on my page and the second one stops the first one from working. Even before finding this solution here, I tried changing the CSS and HTML names of the objects of the different slideshows, wich successfully sovled part of the problem (the second one was

JavaScript to make a fast-running image slideshow?

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问题 I am making an image slideshow using native JS. I decided to make it myself because it needs to run at ~100ms intervals, and without any special transition effects (see it here), so I figured it was unnecessary to include a big library like JQuery just for just a simple application. This is the code I am currently using [edit: original code - now modified]: // JavaScript Document function preloadimages(arr){ // the preloadimages() function is adapted from http://www.javascriptkit.com

Trying to make multiple background images cycle through a slideshow with CSS and JQUERY

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问题 I\'ve placed three background images in a div. I\'m trying to make all three of them cycle through on a timer that fades in and out. I\'ve actually found similar quesitons on here, but I cannot get them to work. Anyway, here\'s the relevant code: HTML <div id=\"slideshow\"> </div> CSS #slideshow{ position:relative; top:0; width:100%; height:635px; background: url(\"car4.jpg\"), url(\"city.jpg\"), url(\"host3.jpg\"); background-repeat:no-repeat; background-size:100%; } I\'m hoping to do this

How to create a video from images with FFmpeg?

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问题 ffmpeg -r 1/5 -start_number 2 -i img%03d.png -c:v libx264 -r 30 -pix_fmt yuv420p out.mp4 This line worked fine but I want to create a video file from images in another folder. Image names in my folder are: img001.jpg img002.jpg img003.jpg ... How could I input images files from a different folder? Example: C:\\mypics I tried this command but ffmpeg generated a video with the first image (img001.jpg) only. ffmpeg -r 1/5 -start_number 0 -i C:\\myimages\\img%03d.png -c:v libx264 -r 30 -pix_fmt