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jQuery实现朋友圈查看图片效果,供大家参考,具体内容如下

效果: 图片点击显示大图,多张图可以滑动,左右按钮点击可切换查看图片 (左右点击切换效果不需要删除样式即可)

jQuery实现朋友圈查看图片

index.html 文件

<!DOCTYPE html>
<html>
 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0,user-scalable=no,minimal-ui">
 <title>jQuery模仿朋友圈查看图片效果</title>
 <link rel="stylesheet" type="text/css" href="css/css.css" >
 <link rel="stylesheet" type="text/css" href="touchTouch/touchTouch.css" >
 <script src="/UploadFiles/2021-04-02/jquery-3.4.1.js">

touchTouch.css 文件

预加载loading动图 preloader.gif

jQuery实现朋友圈查看图片

左右切换按钮图片 arrows.png(不需要可删除)

jQuery实现朋友圈查看图片

#galleryOverlay{
 width:100%;
 height:100%;
 position:fixed;
 top:0;
 left:0;
 opacity:0;
 z-index:100000;
 background-color:#222;
 background-color:rgba(0,0,0,1);
 overflow:hidden;
 display:none;
 -moz-transition:opacity 1s ease;
 -webkit-transition:opacity 1s ease;
 transition:opacity 1s ease;
}
#galleryOverlay.visible{
 opacity:1;
}
#gallerySlider{
 height:100%;
 left:0;
 top:0;
 width:100%;
 white-space: nowrap;
 position:absolute;
 -moz-transition:left 0.4s ease;
 -webkit-transition:left 0.4s ease;
 transition:left 0.4s ease;
}
#gallerySlider .placeholder{
 /* preloader.gif 预加载loading动图 */
 background: url("preloader.gif") no-repeat center center;
 height: 100%;
 line-height: 1px;
 text-align: center;
 width:100%;
 display:inline-block;
}
#gallerySlider .placeholder:before{
 content: "";
 display: inline-block;
 height: 50%;
 width: 1px;
 margin-right:-1px;
}
#gallerySlider .placeholder img{
 display: inline-block;
 max-height: 100%;
 max-width: 100%;
 vertical-align: middle;
}
#gallerySlider.rightSpring{
 -moz-animation: rightSpring 0.3s;
 -webkit-animation: rightSpring 0.3s;
}
#gallerySlider.leftSpring{
 -moz-animation: leftSpring 0.3s;
 -webkit-animation: leftSpring 0.3s;
}
/* Firefox Keyframe Animations */
@-moz-keyframes rightSpring{
 0%{
 margin-left:0px;
 }
 50%{
 margin-left:-30px;
 }
 100%{
 margin-left:0px;
 }
}
@-moz-keyframes leftSpring{
 0%{
 margin-left:0px;
 }
 50%{
 margin-left:30px;
 }
 100%{
 margin-left:0px;
 }
}
/* Safari and Chrome Keyframe Animations */
@-webkit-keyframes rightSpring{
 0%{
 margin-left:0px;
 }
 50%{
 margin-left:-30px;
 }
 100%{
 margin-left:0px;
 }
}
@-webkit-keyframes leftSpring{
 0%{
 margin-left:0px;
 }
 50%{
 margin-left:30px;
 }
 100%{
 margin-left:0px;
 }
}
/* 左右切换按钮 */
/* arrows.png 左右切换按钮图片 不需要可删除 */
#prevArrow,#nextArrow{
 border:none;
 text-decoration:none;
 background:url('arrows.png') no-repeat;
 opacity:1;
 cursor:pointer;
 position:absolute;
 width:43px;
 height:58px;
 top:50%;
 margin-top:-29px;
 -moz-transition:opacity 0.2s ease;
 -webkit-transition:opacity 0.2s ease;
 transition:opacity 0.2s ease;
}
#prevArrow:hover, #nextArrow:hover{
 opacity:1;
}
#prevArrow{
 background-position:left top;
 left:40px;
}
#nextArrow{
 background-position:right top;
 right:40px;
}
/* 页码 */
#pagelimit{
 position:absolute;
 bottom:20px;
 left:50%;
 margin-left:-18px;
 color:#fff;
 font-size:1.4rem;
}


touchTouch.jquery.js 文件

(function(){
 /* Private variables */
 var overlay = $('<div id="galleryOverlay">'),
 slider = $('<div id="gallerySlider">'),
 prevArrow = $('<a id="prevArrow"></a>'),
 nextArrow = $('<a id="nextArrow"></a>'),
 pageSpan = $('<span id="pagelimit"></span'),
 overlayVisible = false;
 
 /* Creating the plugin */
 $.fn.touchTouch = function(){
 var placeholders = $([]),
 pl1=[],
 index = 0,
 items = this;
 
 // Appending the markup to the page
 overlay.hide().appendTo('body');
 slider.appendTo(overlay);
 pageSpan.appendTo(overlay);
 
 // Creating a placeholder for each image
 items.each(function(){
 placeholders = placeholders.add($('<div class="placeholder">'));
 });
 
 // Hide the gallery if the background is touched / clicked
 slider.append(placeholders).on('click',function(e){
 hideOverlay(); 
 });
 
 // Listen for touch events on the body and check if they
 // originated in #gallerySlider img - the images in the slider.
 $('body').on('touchstart', '#gallerySlider img', function(e){
 var touch = e.originalEvent,
 startX = touch.changedTouches[0].pageX;
 slider.on('touchmove',function(e){
 e.preventDefault();
 touch = e.originalEvent.touches[0] ||e.originalEvent.changedTouches[0];
 if(touch.pageX - startX > 10){
 slider.off('touchmove');
 showPrevious();
 }
 else if (touch.pageX - startX < -10){
 slider.off('touchmove');
 showNext();
 }
 
 });

 // Return false to prevent image 
 // highlighting on Android
 return false;
 }).on('touchend',function(){
 slider.off('touchmove');
 });
 
 // Listening for clicks on the thumbnails
 
 //评论事件
 
 items.on('click', function(e){
 e.preventDefault();
 // Find the position of this image
 // in the collection
 
 index = items.index(this);
 showOverlay(index);
 showImage(index);
 
 calcPages(items,index);
 // Preload the next image
 preload(index+1);
 
 // Preload the previous
 preload(index-1);
 $(document).data("overlayVisible",true);
 e.cancelBubble = true; //取消冒泡事件
 //e.stopPropagation(); 
 
 });
 
 
 
 function calcPages(items,index){
 pageSpan.text((index+1)+"/"+items.length);
 }
 // If the browser does not have support 
 // for touch, display the arrows
 if ( !("ontouchstart" in window) ){
 overlay.append(prevArrow).append(nextArrow);
 
 prevArrow.click(function(e){
 e.preventDefault();
 showPrevious();
 });
 
 nextArrow.click(function(e){
 e.preventDefault();
 showNext();
 });
 }
 
 // Listen for arrow keys
 $(window).bind('keydown', function(e){
 if (e.keyCode == 37){
 showPrevious();
 }
 else if (e.keyCode==39){
 showNext();
 }
 });
 
 
 /* Private functions */
 
 
 function showOverlay(index){
 // If the overlay is already shown, exit
 if (overlayVisible){
 return false;
 }
 
 // Show the overlay
 overlay.show();
 
 setTimeout(function(){
 // Trigger the opacity CSS transition
 overlay.addClass('visible');
 }, 100);
 
 // Move the slider to the correct image
 offsetSlider(index);
 
 // Raise the visible flag
 overlayVisible = true;
 }
 
 function hideOverlay(){
 // If the overlay is not shown, exit
 
 if(!overlayVisible){
 return false;
 }
 
 // Hide the overlay
 overlay.hide().removeClass('visible');
 overlayVisible = false;
 $(document).data("overlayVisible",overlayVisible);
 }
 
 function offsetSlider(index){
 // This will trigger a smooth css transition
 slider.css('left',(-index*100)+'%');
 }
 
 // Preload an image by its index in the items array
 function preload(index){
 setTimeout(function(){
 showImage(index);
 }, 1000);
 }
 
 // Show image in the slider
 function showImage(index){
 
 // If the index is outside the bonds of the array
 if(index < 0 || index >= items.length){
 return false;
 }
 
 // Call the load function with the href attribute of the item
 loadImage(items.eq(index).attr('href'), function(){
 placeholders.eq(index).html(this);
 });
 }
 
 // Load the image and execute a callback function.
 // Returns a jQuery object
 
 function loadImage(src, callback){
 var img = $('<img>').on('load', function(){
 callback.call(img);
 });
 img.attr('src',src);
 }
 
 function showNext(){
 
 // If this is not the last image
 if(index+1 < items.length){
 index++;
 offsetSlider(index);
 preload(index+1);
 calcPages(items,index);
 }
 else{
 // Trigger the spring animation
 
 slider.addClass('rightSpring');
 setTimeout(function(){
 slider.removeClass('rightSpring');
 },500);
 }
 }
 
 function showPrevious(){
 
 // If this is not the first image
 if(index>0){
 index--;
 offsetSlider(index);
 preload(index-1);
 calcPages(items,index);
 }
 else{
 // Trigger the spring animation
 slider.addClass('leftSpring');
 setTimeout(function(){
 slider.removeClass('leftSpring');
 },500);
 }
 }
 };
})(jQuery);

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

标签:
jQuery朋友圈查看图片,jQuery查看图片,jQuery朋友圈查看

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