javascript代码实例教程-JS实现图片翻书效果

发布时间:2019-03-01 发布网站:脚本宝典
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<html XMlns="https://www.w3.org/1999/xhtml">

<head>

<;meta http-equiv="Content-tyPE" content="text/html; charset=utf-8" />

<tITle>JS实现图片翻书效果</title>

<META http-equiv=imagetoolbar content=no>

<link rel="stylesheet" type="text/css" href="picture.css"/>

<script type="text/javascript" src="picture.js"></script>

<BODY>

 

<DIV id=center>

<!--图片位置-->

<DIV id=DHTMLBook>

   <SPAN class=page onMouseDown="return false;" ondblclick=TPL(); onclick=TPL();><img class=img></SPAN>

   <SPAN class="page right" onmousedown="return false;" ondblclick=TPR(); onclick=TPR();><IMG class=img style="LEFT: -100%"></SPAN>

   <SPAN class="page turn" onMouseDown="return false;" ondblclick=TPL(); onclick=TPL();><IMG class=img style="FILTER: alpha(); opacity: 1"></SPAN>

   <SPAN class="page turn right" onmousedown="return false;" ondblclick=TPR(); onclick=TPR();><IMG class=img style="FILTER: alpha(); LEFT: -100%; opacity: 1"></SPAN> 

<!--文字位置-->   

<DIV id=TXTBOX></DIV>

</DIV>

</DIV>

 

<DIV id=imgsrc style="VISIBILITY: hidden">

<IMG alt="In the early morning he departed." src="babi/86d6277f9e2f0708ce332da4e924b899a901f264.jpg">

<IMG alt="Believing she had dreamed of the roar of his bike," src="babi/c4aaee1ejw1e3jb8r868vj.jpg">

<IMG alt="she woke up to the sunshine in her eyelids." src="babi/7-121205155537-52.jpg">

<IMG alt="she woke up to the sunshine in her eyelids." src="babi/c4aaee1ejw1e3jb91py0fj.jpg">

<IMG alt="she woke up to the sunshine in her eyelids." src="babi/c4aaee1ejw1e3jb94nx7bj.jpg">

</DIV>

</BODY></HTML>

 

picture.css

 

#center {

 LEFT: 50%; POSITION: absolute; TOP: 50%

}

#DHTMLBOOK {

 BACKGROUND: #000; LEFT: -210px; VISIBILITY: hidden; WIDTH: 210px; POSITION: relative; TOP: -160px; HeiGHT: 160px

}

#TXTBOX {

 FONT-Size: 0.8em; WIDTH: 210px; COLOR: #aba193; FONT-FamiLY: verdana; POSITION: absolute; TOP: 160px; TEXT-ALIGN: center

}

.page {

 OVERFLOW: hidden; BORDER-LEFT: #000000 1px solid; WIDTH: 50%; CURSOR: pointer; POSITION: absolute; HEIGHT: 100%

}

.right {

 BORDER-RIGHT: #000000 1px solid; LEFT: 50%

}

.turn {

 BACKGROUND: #000000

}

.img {

 WIDTH: 200%; POSITION: absolute; HEIGHT: 100%

}

 

 

 

picture.js

 

document.onselectstart = function () { return false; }

 

VAR nI  = 0;

var kI  = 0;

var run = false;

 

function setOpacity(obj,o) {

 if (o<0) o=0; else if (o>100) o = 100;

 if (obj.filters)obj.filters.alpha.opacity=o; else obj.style.opacity = o/100;

}

function TPR__(p) {

 P1.style.left  = 50-(2.5*p)+"%";

 P1.style.width = (2.5*p)+"%";

 setOpacity(P1i, .5*p*p);

 if (p == 20) run = false;

}

function TPR_(p) {

 P2.style.width = 50-(2.5*p)+"%";

 setOpacity(P2i, 100-.5*(p*p));

 if (p == 20) {

  P2i.src = IMGSRC[kI].src;

  setOpacity(P2i, 100);

  P2.style.width = "50%";

  for(var i=1; i<=20; i++) setTimeout("TPR__("+i+")", i*32);

 }

}

function TPR() {

 if (!run) {

  run = true;

  P01i.src = IMGSRC[kI].src;

  P1.style.width = 0;

  kI++;

  if (kI>=nI) kI = 0;

  titLe(kI);

  P02i.src = IMGSRC[kI].src;

  P1i.src  = IMGSRC[kI].src;

  for (var i=1; i<=20; i++) setTimeout("TPR_("+i+")", i*32);

 } else setTimeout("TPR()", 100);

}

 

function TPL__(p) {

 P2.style.width = (2.5*p)+"%";

 setOpacity(P2i, .5*p*p);

 if (p == 20) run = false;

}

function TPL_(p) {

 P1.style.left  = (2.5*p)+"%";

 P1.style.width = 40+(10-2.5*p)+"%";

 setOpacity(P1i, 100-.5*(p*p));

 if (p == 20) {

  P1i.src = IMGSRC[kI].src;

  setOpacity(P1i, 100);

  P1.style.left  = 0;

  P1.style.width = "50%";

  for(var i=1; i<=20; i++) setTimeout("TPL__("+i+")", i*32);

 }

}

function TPL() {

 if (!run) {

  run = true;

  P02i.src = IMGSRC[kI].src;

  P2.style.width = 0;

  kI--;

  if (kI < 0) kI = nI-1;

  titLe(kI);

  P01i.src = IMGSRC[kI].src;

  P2i.src  = IMGSRC[kI].src;

  for(var i=1; i<=20; i++) setTimeout("TPL_("+i+")", i*32);

 } else setTimeout("TPL()", 100);

}

function titLe(p) {

 document.getElementById("TXTBOX").innerHTML = IMGSRC[p].alt;

}

onload = function() {

 IMGSRC  = document.getElementById("imgsrc").getelementsbytagname("img");

 DB      = document.getElementById("DHTMLBOOK");

 P01     = DB.getElementsByTagName("span")[0];

 P01i    = P01.getElementsByTagName("img")[0];

 P02     = DB.getElementsByTagName("span")[1];

 P02i    = P02.getElementsByTagName("img")[0];

 P1      = DB.getElementsByTagName("span")[2];

 P1i     = P1.getElementsByTagName("img")[0];

 P2      = DB.getElementsByTagName("span")[3];

 P2i     = P2.getElementsByTagName("img")[0];

 nI      = IMGSRC.length;

 P1i.src = IMGSRC[kI].src;

 P2i.src = IMGSRC[kI].src;

 titLe(kI);

 DB.style.visibility = "visible";

}

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