分享一個超酷javascript全屏幻燈導(dǎo)航(fullscreen slide navigation)
這篇文章介紹了如何使用幻燈方式來進(jìn)行全屏幕頁面導(dǎo)航，包括了16個幻燈，4個一行，一共4行。并且通過了CSS3箭頭添加了動畫導(dǎo)航效果。而且提供一個迷你的導(dǎo)航條能夠幫助用戶記錄訪問過的幻燈頁面。希望大家喜歡！
HTML標(biāo)簽
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Fullscreen Javascript Slide navigation demo</title>
<link href="css/layout.css" type="text/css" rel="stylesheet">
<script src="js/main.js"></script>
</head>
<body>
<div class="container" id="container">
<div id="pages">
<div id="page1">
<a href="#page2" class="go right"></a>
<a href="#page5" class="go bottom"></a>
</div>
<div id="page2">
<a href="#page1" class="go left"></a>
<a href="#page3" class="go right"></a>
<a href="#page6" class="go bottom"></a>
</div>
<div id="page3">
<a href="#page2" class="go left"></a>
<a href="#page4" class="go right"></a>
<a href="#page7" class="go bottom"></a>
</div>
<div id="page4">
<a href="#page3" class="go left"></a>
<a href="#page8" class="go bottom"></a>
</div>
<div id="page5">
<a href="#page1" class="go top"></a>
<a href="#page6" class="go right"></a>
<a href="#page9" class="go bottom"></a>
</div>
<div id="page6">
<a href="#page5" class="go left"></a>
<a href="#page2" class="go top"></a>
<a href="#page7" class="go right"></a>
<a href="#page10" class="go bottom"></a>
</div>
<div id="page7">
<a href="#page6" class="go left"></a>
<a href="#page3" class="go top"></a>
<a href="#page8" class="go right"></a>
<a href="#page11" class="go bottom"></a>
</div>
<div id="page8">
<a href="#page7" class="go left"></a>
<a href="#page4" class="go top"></a>
<a href="#page12" class="go bottom"></a>
</div>
<div id="page9">
<a href="#page5" class="go top"></a>
<a href="#page10" class="go right"></a>
<a href="#page13" class="go bottom"></a>
</div>
<div id="page10">
<a href="#page9" class="go left"></a>
<a href="#page6" class="go top"></a>
<a href="#page11" class="go right"></a>
<a href="#page14" class="go bottom"></a>
</div>
<div id="page11">
<a href="#page10" class="go left"></a>
<a href="#page7" class="go top"></a>
<a href="#page12" class="go right"></a>
<a href="#page15" class="go bottom"></a>
</div>
<div id="page12">
<a href="#page11" class="go left"></a>
<a href="#page8" class="go top"></a>
<a href="#page16" class="go bottom"></a>
</div>
<div id="page13">
<a href="#page9" class="go top"></a>
<a href="#page14" class="go right"></a>
</div>
<div id="page14">
<a href="#page13" class="go left"></a>
<a href="#page10" class="go top"></a>
<a href="#page15" class="go right"></a>
</div>
<div id="page15">
<a href="#page14" class="go left"></a>
<a href="#page11" class="go top"></a>
<a href="#page16" class="go right"></a>
</div>
<div id="page16">
<a href="#page15" class="go left"></a>
<a href="#page12" class="go top"></a>
</div>
</div>
<div id="nav">
<div>Fullscreen Javascript Slide navigation</div>
<div style="width:130px">
<a href="#page1" class="go"></a>
<a href="#page2" class="go"></a>
<a href="#page3" class="go"></a>
<a href="#page4" class="go"></a>
<a href="#page5" class="go"></a>
<a href="#page6" class="go"></a>
<a href="#page7" class="go"></a>
<a href="#page8" class="go"></a>
<a href="#page9" class="go"></a>
<a href="#page10" class="go"></a>
<a href="#page11" class="go"></a>
<a href="#page12" class="go"></a>
<a href="#page13" class="go"></a>
<a href="#page14" class="go"></a>
<a href="#page15" class="go"></a>
<a href="#page16" class="go"></a>
</div>
</div>
</div>
</body>
</html>
Javascript代碼
var navi = {
// variables
aPages : [],
aLinks : [],
tween : {},
oParent : null,
oPages : null,
bRunning : null,
sTargPage : null,
sCurPage : null,
bHash : null,
sOldH : null,
bUpdateH : true,
// initialization
init : function (aParams) {
this.oPages = document.getElementById(aParams.pages_id);
this.oParent = document.getElementById(aParams.parent_id);
var aAEls = this.oParent.getElementsByTagName('a');
var i = 0; var p = null;
while (p = aAEls[i++]) {
if (p.className && p.className.indexOf('go') >= 0) {
var sHref = p.href.split('#')[1];
var oDst = document.getElementById(sHref);
if (oDst) {
// fill-in pages array
this.aPages[sHref] = {
oObj: oDst,
iXPos: -oDst.offsetLeft,
iYPos: -oDst.offsetTop
};
// fill-in links array
this.aLinks.push({a: p, oObj: oDst});
p.onclick = function () {
navi.goto(this.href.split('#')[1], aParams.duration);
return false;
}
}
}
}
this.resize();
if ('onhashchange' in window) {
if (location.hash !== '' && location.hash !== '#') {
this.sOldH = location.hash.substring(1);
this.goto(this.sOldH, -1);
} else
this.goto('page1', -1);
this.bHash = true;
window.onhashchange = function() {
if (location.hash.substring(1) !== navi.sOldH) {
navi.sOldH = location.hash.substring(1);
if (navi.sOldH == '') {
navi.bUpdateH = false;
}
navi.goto(navi.sOldH, aParams.duration);
}
return false;
}
}
},
// on resize
resize : function () {
var iCurW = this.oParent.offsetWidth; // current sizes
var iCurH = this.oParent.offsetHeight;
for (var i in this.aPages) { // for each page
var oPage = this.aPages[i];
var iNewX = Math.round(oPage.oObj.offsetLeft * iCurW / oPage.oObj.offsetWidth); // new sizes
var iNewY = Math.round(oPage.oObj.offsetTop * iCurH / oPage.oObj.offsetHeight);
oPage.oObj.style.left = iNewX + 'px';
oPage.oObj.style.top = iNewY + 'px';
oPage.oObj.style.width = iCurW + 'px';
oPage.oObj.style.height = iCurH + 'px';
oPage.iXPos = -iNewX;
oPage.iYPos = -iNewY;
if (this.sCurPage)
this.goto(this.sCurPage, -1);
}
},
goto : function (sHref, iDur) {
this.tween.iStart = new Date() * 1;
this.tween.iDur = iDur;
this.tween.fromX = this.oPages.offsetLeft;
this.tween.fromY = this.oPages.offsetTop;
this.tween.iXPos = this.aPages[sHref].iXPos - this.tween.fromX;
this.tween.iYPos = this.aPages[sHref].iYPos - this.tween.fromY;
this.sTargPage = sHref;
if (! this.bRunning)
this.bRunning = window.setInterval(this.animate, 24);
},
animate : function () {
var iCurTime = (new Date() * 1) - navi.tween.iStart;
if (iCurTime < navi.tween.iDur) {
var iCur = Math.cos(Math.PI * (iCurTime / navi.tween.iDur)) - 1;
navi.oPages.style.left = Math.round(-navi.tween.iXPos * .5 * iCur + navi.tween.fromX) + 'px';
navi.oPages.style.top = Math.round(-navi.tween.iYPos * .5 * iCur + navi.tween.fromY) + 'px';
} else {
navi.oPages.style.left = Math.round(navi.tween.fromX + navi.tween.iXPos) + 'px';
navi.oPages.style.top = Math.round(navi.tween.fromY + navi.tween.iYPos) + 'px';
window.clearInterval(navi.bRunning);
navi.bRunning = false;
navi.sCurPage = navi.sTargPage;
var i = 0; var p = null;
while (p = navi.aLinks[i++]) {
if (p.oObj.id == navi.sCurPage) {
if (p.a.className.indexOf('visited') >= 0 ) {
p.a.className = p.a.className.replace('visited', 'active');
} else p.a.className += ' active';
p.visited = true;
} else if (p.visited) {
p.a.className = p.a.className.replace('active', 'visited');
}
}
if (navi.bHash) {
if (navi.bUpdateH) {
navi.sOldH = navi.sCurPage;
window.location.hash = navi.sCurPage;
}
navi.bUpdateH = true;
}
}
}
}
window.onload = function() { // page onload
navi.init({parent_id: 'container', pages_id: 'pages', duration: 1000});
}
window.onkeydown = function(event){ // keyboard alerts
switch (event.keyCode) {
case 37: // Left key
var iPage = navi.sCurPage.substring(4) * 1;
iPage--;
if (iPage < 1) {
iPage = 1;
}
navi.goto('page' + iPage, 1000);
break;
case 39: // Right key
var iPage = navi.sCurPage.substring(4) * 1;
iPage++;
if (iPage > 16) {
iPage = 16;
}
navi.goto('page' + iPage, 1000);
break;
}
};
效果請參考演示
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