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javaScript+turn.js实现图书翻页效果实例代码

时间：2021-07-12 13:30:45|栏目：JavaScript代码|点击： 次

为了实现图书翻页的效果我们在网上可以看到很多教程 在这里推荐turn.js 网上的turn.js 有api 不过是英文的  很多人看起来不方便 .关于代码也是奇形怪状在这里我将详细讲解如何使用turn.js实现翻页效果 ,本篇文章只是讲解 turn.js 如何使用！！！！！！！ 文章最后提供源码下载，结合源码看本文，turn.js更简单！

首先附上个人的文件路径

对于css   和 js文件不需要过多的解释   在这里要注意的是pages文件夹   这里个文件夹下放的是需要预览的图片文件    所以
我们想展示的资源  就放在这个目录下面！！！！！！    

接下来  先给大家看一下pages下面的资源名称

可以看到  所有的资源都以数字命名  至于为什么  我们在之后会讲解

接下来  我们开始使将turn.js结合到我们自己的项目中  先附上index.html中的代码

<!doctype html><!--[if lt IE 7 ]> 
<html lang="en" class="ie6"> 
<![endif]--><!--[if IE 7 ]> 
<html lang="en" class="ie7"> 
<![endif]--><!--[if IE 8 ]> 
<html lang="en" class="ie8"> 
<![endif]--><!--[if IE 9 ]> 
<html lang="en" class="ie9"> 
<![endif]--><!--[if !IE]> 
<!--> 
<html lang="en"> 
<!--<![endif]--> 
<head> 
 <title>Using turn.js and the new zoom feature</title> 
 <meta name="viewport" content="width = 1050, user-scalable = no"/> 
 <link href="css/magazine.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" type="text/css"> 
 <script type="text/javascript" src="js/jquery.min.1.7.js"></script> 
 <script type="text/javascript" src="js/modernizr.2.5.3.min.js"></script> 
 <script type="text/javascript" src="js/hash.js"></script> 
 <script type="text/javascript" src="js/turn.js"></script> 
 <script type="text/javascript" src="js/turn.html4.min.js"></script> 
 <script type="text/javascript" src="js/zoom.min.js"></script> 
 <script type="text/javascript" src="js/magazine.js"></script> 
 <script> 
 $(function () { 
  var next_button = $(".next-button");  //初始化左右箭头 
  var previous_button = $(".previous-button"); 
  setArrows(); 
 }); 
 </script> 
</head> 
<body> 
<div id="canvas"> 
 <!-- 右上角放大缩小按钮 --> 
 <div class="zoom-icon zoom-icon-in"> 
 </div> 
 <div class="magazine-viewport"> 
 <div class="container"> 
  <div class="magazine"> 
  <!-- Next button --></div> 
 </div> 
 <div ignore="1" class="next-button"> 
 </div> 
 <!-- Previous button --> 
 <div ignore="1" class="previous-button"> 
 </div> 
 </div> 
 <script type="text/javascript"> 
 function loadApp() { 
  $('#canvas').fadeIn(1000); 
  var flipbook = $('.magazine'); 
  // Check if the CSS was already loaded 
  if (flipbook.width() == 0 || flipbook.height() == 0) { 
  setTimeout(loadApp, 10); 
  return; 
  } 
  // 创建flipbook 
  flipbook.turn({ 
  width: 1200, 
  height: 781, 
  duration: 1000, //翻页速度，值越小越快 
  // Hardware acceleration 
  acceleration: !isChrome(), 
  // Enables gradients 
  gradients: true, 
  // Auto center this flipbook 
  autoCenter: true, 
  // Elevation from the edge of the flipbook when turning a page 
  elevation: 50, 
  // The number of pages 
  pages: 8, 
  // Events 
  when: { 
   turning: function (event, page, view) { 
   var book = $(this), 
    currentPage = book.turn('page'), 
    pages = book.turn('pages'); 
   // Update the current URI 
   Hash.go('page/' + page).update(); 
   // Show and hide navigation buttons 
   disableControls(page); 
   }, 
   turned: function (event, page, view) { 
   disableControls(page); 
   $(this).turn('center'); 
   if (page == 1) { 
    $(this).turn('peel', 'br'); 
   } 
   }, 
   missing: function (event, pages) { 
   // Add pages that aren't in the magazine 
   for (var i = 0; i < pages.length; i++) 
    addPage(pages[i], $(this)); 
   } 
  } 
  }); 
  // Zoom.js 
  $('.magazine-viewport').zoom({ 
  flipbook: $('.magazine'), 
  max: function () { 
   return largeMagazineWidth() / $('.magazine').width(); 
  }, 
  when: { 
   swipeLeft: function () { 
   $(this).zoom('flipbook').turn('next'); 
   }, 
   swipeRight: function () { 
   $(this).zoom('flipbook').turn('previous'); 
   }, 
   resize: function (event, scale, page, pageElement) { 
   if (scale == 1) 
    loadSmallPage(page, pageElement); 
   else 
    loadLargePage(page, pageElement); 
   }, 
   zoomIn: function () { 
   $('.made').hide(); 
   $('.magazine').removeClass('animated').addClass('zoom-in'); 
   $('.zoom-icon').removeClass('zoom-icon-in').addClass('zoom-icon-out'); 
   if (!window.escTip && !$.isTouch) { 
    escTip = true; 
    $('<div />', {'class': 'exit-message'}). 
    html('<div>Press ESC to exit</div>'). 
    appendTo($('body')). 
    delay(2000). 
    animate({opacity: 0}, 500, function () { 
    $(this).remove(); 
    }); 
   } 
   }, 
   zoomOut: function () { 
   $('.exit-message').hide(); 
   $('.thumbnails').fadeIn(); 
   $('.made').fadeIn(); 
   $('.zoom-icon').removeClass('zoom-icon-out').addClass('zoom-icon-in'); 
   setTimeout(function () { 
    $('.magazine').addClass('animated').removeClass('zoom-in'); 
    resizeViewport(); 
   }, 0); 
   } 
  } 
  }); 
  // Zoom event 
  if ($.isTouch) 
  $('.magazine-viewport').bind('zoom.doubleTap', zoomTo); 
  else 
  $('.magazine-viewport').bind('zoom.tap', zoomTo); 
  // Using arrow keys to turn the page 
  $(document).keydown(function (e) { 
  var previous = 37, next = 39, esc = 27; 
  switch (e.keyCode) { 
   case previous: 
   // left arrow 
   $('.magazine').turn('previous'); 
   e.preventDefault(); 
   break; 
   case next: 
   //right arrow 
   $('.magazine').turn('next'); 
   e.preventDefault(); 
   break; 
   case esc: 
   $('.magazine-viewport').zoom('zoomOut'); 
   e.preventDefault(); 
   break; 
  } 
  }); 
  // URIs - Format #/page/1 
  Hash.on('^page\/([0-9]*)$', { 
  yep: function (path, parts) { 
   var page = parts[1]; 
   if (page !== undefined) { 
   if ($('.magazine').turn('is')) 
    $('.magazine').turn('page', page); 
   } 
  }, 
  nop: function (path) { 
   if ($('.magazine').turn('is')) 
   $('.magazine').turn('page', 1); 
  } 
  }); 
  $(window).resize(function () { 
  resizeViewport(); 
  }).bind('orientationchange', function () { 
  resizeViewport(); 
  }); 
  // Events for thumbnails 
  $('.thumbnails').click(function (event) { 
  var page; 
  if (event.target && (page = /page-([0-9]+)/.exec($(event.target).attr('class')))) { 
   $('.magazine').turn('page', page[1]); 
  } 
  }); 
  $('.thumbnails li'). 
  bind($.mouseEvents.over, function () { 
  $(this).addClass('thumb-hover'); 
  }).bind($.mouseEvents.out, function () { 
  $(this).removeClass('thumb-hover'); 
  }); 
  if ($.isTouch) { 
  $('.thumbnails'). 
  addClass('thumbanils-touch'). 
  bind($.mouseEvents.move, function (event) { 
   event.preventDefault(); 
  }); 
  } else { 
  $('.thumbnails ul').mouseover(function () { 
   $('.thumbnails').addClass('thumbnails-hover'); 
  }).mousedown(function () { 
   return false; 
  }).mouseout(function () { 
   $('.thumbnails').removeClass('thumbnails-hover'); 
  }); 
  } 
  // Regions 
  if ($.isTouch) { 
  $('.magazine').bind('touchstart', regionClick); 
  } else { 
  $('.magazine').click(regionClick); 
  } 
  // Events for the next button 
  $('.next-button').bind($.mouseEvents.over, function () { 
  $(this).addClass('next-button-hover'); 
  }).bind($.mouseEvents.out, function () { 
  $(this).removeClass('next-button-hover'); 
  }).bind($.mouseEvents.down, function () { 
  $(this).addClass('next-button-down'); 
  }).bind($.mouseEvents.up, function () { 
  $(this).removeClass('next-button-down'); 
  }).click(function () { 
  $('.magazine').turn('next'); 
  setTimeout(function () { 
   setArrows(); 
  }, 300); 
  }); 
  // Events for the next button 
  $('.previous-button').bind($.mouseEvents.over, function () { 
  $(this).addClass('previous-button-hover'); 
  }).bind($.mouseEvents.out, function () { 
  $(this).removeClass('previous-button-hover'); 
  }).bind($.mouseEvents.down, function () { 
  $(this).addClass('previous-button-down'); 
  }).bind($.mouseEvents.up, function () { 
  $(this).removeClass('previous-button-down'); 
  }).click(function () { 
  $('.magazine').turn('previous'); 
  setTimeout(function () { 
   setArrows(); 
  }, 300); 
  }); 
  resizeViewport(); 
  $('.magazine').addClass('animated'); 
 } 
 // Zoom icon 
 $('.zoom-icon').bind('mouseover', function () { 
  if ($(this).hasClass('zoom-icon-in')) 
  $(this).addClass('zoom-icon-in-hover'); 
  if ($(this).hasClass('zoom-icon-out')) 
  $(this).addClass('zoom-icon-out-hover'); 
 }).bind('mouseout', function () { 
  if ($(this).hasClass('zoom-icon-in')) 
  $(this).removeClass('zoom-icon-in-hover'); 
  if ($(this).hasClass('zoom-icon-out')) 
  $(this).removeClass('zoom-icon-out-hover'); 
 }).bind('click', function () { 
  if ($(this).hasClass('zoom-icon-in')) 
  $('.magazine-viewport').zoom('zoomIn'); 
  else if ($(this).hasClass('zoom-icon-out')) 
  $('.magazine-viewport').zoom('zoomOut'); 
 }); 
 $('#canvas').hide(); 
 // Load the HTML4 version if there's not CSS transform 
 yepnope({ 
  test: Modernizr.csstransforms, 
  yep: ['js/turn.js'], 
  nope: ['js/turn.html4.min.js'], 
  both: ['js/zoom.min.js', 'js/magazine.js', 'css/magazine.css'], 
  complete: loadApp 
 }); 
 </script> 
</div> 
</body> 
</html> 
<![endif]--></div> 
</html> 
</html> 
</html> 
</html>

一：在其中值得注意的是：对于js的引用 有两处！ 

1：是开头这里引用了css和js

<link href="css/magazine.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" type="text/css"> 
<script type="text/javascript" src="js/jquery.min.1.7.js"></script> 
<script type="text/javascript" src="js/modernizr.2.5.3.min.js"></script> 
<script type="text/javascript" src="js/hash.js"></script> 
<script type="text/javascript" src="js/turn.js"></script> 
<script type="text/javascript" src="js/turn.html4.min.js"></script> 
<script type="text/javascript" src="js/zoom.min.js"></script> 
<script type="text/javascript" src="js/magazine.js"></script>

2：则是index.html的最下方，这里极容易被忽视！！！切记路径不可错误，不然报错！！！！

// Load the HTML4 version if there's not CSS transform 
yepnope({ 
 test: Modernizr.csstransforms, 
 yep: ['js/turn.js'], 
 nope: ['js/turn.html4.min.js'], 
 both: ['js/zoom.min.js', 'js/magazine.js', 'css/magazine.css'], 
 complete: loadApp 
});

二：js中的magazine.js   这个js值整个功能实现的支柱   在这里提供了所有的函数。

/* 
 * Magazine sample 
*/ 
//这里是对前页后页的位置设定 
function setArrows() { 
 /*var width = $(window).width(); 
 //alert("chushihua"+width); 
 var height = $(window).height(); 
 var bookWidth = $(".magazine").width(); 
 var bookHeight = $(".magazine").height(); 
 //alert("chushihua"+bookWidth); 
 var arrowSize = $(".next-button").width(); 
 //alert(arrowSize); 
 alert($(".magazine").offset().left+"\n"+$('.next-button').offset().left); 
 var LeftArrowLeft = - ( width - bookWidth ) / 4 + 'px' ; 
 //alert(LeftArrowLeft); 
 var RightArrowLeft = - ( width - bookWidth+ arrowSize*2) / 4 + 'px' ; 
 //alert(RightArrowLeft); 
 //alert(RightArrowLeft); 
 //alert("zhihou"+bookWidth); 
 $('.next-button').css( "right",RightArrowLeft ); 
 $('.previous-button').css( "left", LeftArrowLeft );*/ 
 setTimeout(function(){ 
 var width = $(window).width(); 
 var bookWidth = $(".magazine").width(); 
 var arrowSize = $(".next-button").width(); 
 var magaLeft=$(".magazine").offset().left; 
 var nextLeft= (width-bookWidth-magaLeft-60)/2; 
 //alert("width "+width +"\nbookWidth :"+bookWidth +"\nmagaLeft:"+magaLeft+"\nnextLeft:"+nextLeft); 
 $('.next-button').animate({ "right":nextLeft},300); 
 $('.previous-button').animate({ "left":nextLeft},300); 
 },100); 
} 
//这是用于加载所有的待展示资源 
function addPage(page, book) { 
 var id, pages = book.turn('pages'); 
 // Create a new element for this page 
 var element = $('<div />', {}); 
 // Add the page to the flipbook 
 if (book.turn('addPage', element, page)) { 
 // Add the initial HTML 
 // It will contain a loader indicator and a gradient 
 element.html('<div class="gradient"></div><div class="loader"></div>'); 
 // Load the page 
 loadPage(page, element); 
 } 
} 
function loadPage(page, pageElement) { 
 // Create an image element 
 var img = $('<img />'); 
 img.mousedown(function(e) { 
 e.preventDefault(); 
 }); 
 img.load(function() { 
 // Set the size 
 $(this).css({ 
  width: '100%', 
  height: '100%' 
 }); 
 // Add the image to the page after loaded 
 $(this).appendTo(pageElement); 
 // Remove the loader indicator 
 pageElement.find('.loader').remove(); 
 }); 
 // Load the page 
 img.attr('src', 'pages/' + page + '.png');//这里就是指向展示资源路径，pages/即之前提及的pages文件夹，根据需要可更换。 
 loadRegions(page, pageElement); 
} 
// 这里是识别预览大图还是小图的模式1为大图 
function zoomTo(event) { 
 setTimeout(function() { 
 if ($('.magazine-viewport').data().regionClicked) { 
  $('.magazine-viewport').data().regionClicked = false; 
 } else { 
  if ($('.magazine-viewport').zoom('value') == 1) { 
  $('.magazine-viewport').zoom('zoomIn', event); 
  } else { 
  $('.magazine-viewport').zoom('zoomOut'); 
  } 
 } 
 }, 
 1); 
} 
// 不需了解 
function loadRegions(page, element) { 
 $.getJSON('pages/' + page + '-regions.json').done(function(data) { 
 $.each(data, 
 function(key, region) { 
  addRegion(region, element); 
 }); 
 }); 
} 
// 不需了解 
function addRegion(region, pageElement) { 
 var reg = $('<div />', { 
 'class': 'region ' + region['class'] 
 }), 
 options = $('.magazine').turn('options'), 
 pageWidth = options.width / 2, 
 pageHeight = options.height; 
 reg.css({ 
 top: Math.round(region.y / pageHeight * 100) + '%', 
 left: Math.round(region.x / pageWidth * 100) + '%', 
 width: Math.round(region.width / pageWidth * 100) + '%', 
 height: Math.round(region.height / pageHeight * 100) + '%' 
 }).attr('region-data', $.param(region.data || '')); 
 reg.appendTo(pageElement); 
} 
function regionClick(event) { 
 var region = $(event.target); 
 if (region.hasClass('region')) { 
 $('.magazine-viewport').data().regionClicked = true; 
 setTimeout(function() { 
  $('.magazine-viewport').data().regionClicked = false; 
 }, 
 100); 
 var regionType = $.trim(region.attr('class').replace('region', '')); 
 return processRegion(region, regionType); 
 } 
} 
// 不需了解 
function processRegion(region, regionType) { 
 data = decodeParams(region.attr('region-data')); 
 switch (regionType) { 
 case 'link': 
 window.open(data.url); 
 break; 
 case 'zoom': 
 var regionOffset = region.offset(), 
 viewportOffset = $('.magazine-viewport').offset(), 
 pos = { 
  x: regionOffset.left - viewportOffset.left, 
  y: regionOffset.top - viewportOffset.top 
 }; 
 $('.magazine-viewport').zoom('zoomIn', pos); 
 break; 
 case 'to-page': 
 $('.magazine').turn('page', data.page); 
 break; 
 } 
} 
// 加载大图 
function loadLargePage(page, pageElement) { 
 var img = $('<img />'); 
 img.load(function() { 
 var prevImg = pageElement.find('img'); 
 $(this).css({ 
  width: '100%', 
  height: '100%' 
 }); 
 $(this).appendTo(pageElement); 
 prevImg.remove(); 
 }); 
 // Loadnew page 
 img.attr('src', 'pages/' + page + '-large.png');//这里指向大图路径，当点击预览大图的时候，加载该路径，可根据需要更换。 
} 
// 加载小图 
function loadSmallPage(page, pageElement) { 
 var img = pageElement.find('img'); 
 img.css({ 
 width: '100%', 
 height: '100%' 
 }); 
 img.unbind('load'); 
 // Loadnew page 
 img.attr('src', 'pages/' + page + '.png');//指向小图路径，同上 
} 
// 判断浏览器 
function isChrome() { 
 return navigator.userAgent.indexOf('Chrome') != -1; 
} 
function disableControls(page) { 
 if (page == 1) $('.previous-button').hide(); 
 else $('.previous-button').show(); 
 if (page == $('.magazine').turn('pages')) $('.next-button').hide(); 
 else $('.next-button').show(); 
} 
// 为图书设置宽高 
function resizeViewport() { 
 var width = $(window).width(), 
 height = $(window).height(), 
 options = $('.magazine').turn('options'); 
 $('.magazine').removeClass('animated'); 
 $('.magazine-viewport').css({ 
 width: width, 
 height: height 
 }).zoom('resize'); 
 setArrows() ; 
 if ($('.magazine').turn('zoom') == 1) { 
 var bound = calculateBound({ 
  width: options.width, 
  height: options.height, 
  boundWidth: Math.min(options.width, width), 
  boundHeight: Math.min(options.height, height) 
 }); 
 if (bound.width % 2 !== 0) bound.width -= 1; 
 if (bound.width != $('.magazine').width() || bound.height != $('.magazine').height()) { 
  $('.magazine').turn('size', bound.width, bound.height); 
  if ($('.magazine').turn('page') == 1) $('.magazine').turn('peel', 'br'); 
 } 
 $('.magazine').css({ 
  top: -bound.height / 2, 
  left: -bound.width / 2 
 }); 
 } 
 var magazineOffset = $('.magazine').offset(), 
 boundH = height - magazineOffset.top - $('.magazine').height(), 
 marginTop = (boundH - $('.thumbnails > div').height()) / 2; 
 if (marginTop < 0) { 
 $('.thumbnails').css({ 
  height: 1 
 }); 
 } else { 
 $('.thumbnails').css({ 
  height: boundH 
 }); 
 $('.thumbnails > div').css({ 
  marginTop: marginTop 
 }); 
 } 
 if (magazineOffset.top < $('.made').height()) $('.made').hide(); 
 else $('.made').show(); 
 $('.magazine').addClass('animated'); 
} 
//这里用于返回待预览资源的个数（即书本的页数） 
function numberOfViews(book) { 
 return book.turn('pages') / 2 + 1; 
} 
// 当前页 
function getViewNumber(book, page) { 
 return parseInt((page || book.turn('page')) / 2 + 1, 10); 
} 
// 记录宽度 
function largeMagazineWidth() { 
 return 2214; 
} 
function decodeParams(data) { 
 var parts = data.split('&'), 
 d, 
 obj = {}; 
 for (var i = 0; i < parts.length; i++) { 
 d = parts[i].split('='); 
 obj[decodeURIComponent(d[0])] = decodeURIComponent(d[1]); 
 } 
 return obj; 
} 
function calculateBound(d) { 
 var bound = { 
 width: d.width, 
 height: d.height 
 }; 
 if (bound.width > d.boundWidth || bound.height > d.boundHeight) { 
 var rel = bound.width / bound.height; 
 if (d.boundWidth / rel > d.boundHeight && d.boundHeight * rel <= d.boundWidth) { 
  bound.width = Math.round(d.boundHeight * rel); 
  bound.height = d.boundHeight; 
 } else { 
  bound.width = d.boundWidth; 
  bound.height = Math.round(d.boundWidth / rel); 
 } 
 } 
 return bound; 
}

在掌握到这些后  便可使用turn.js

最后   展示一下实现的效果，很流畅！！！！

附上源码地址：

TurnBook-150328124836.rar

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