当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 图片自动播放也可通过按钮控制显示

Javascript
用Javascript实现锚点(Anchor)间平滑跳转
实现png图片和png背景透明(支持多浏览器)的方法
一个用javascript写的select支持上下键、首字母筛选以及回车取值的功能
用DIV完美模拟createPopup 弹出窗口(修正版),支持Firefox,ie,chrome
JavaScript 中级笔记 第一章
IE与Firefox在JavaScript上的7个不同写法小结
MooTools 1.2介绍
Mootools 1.2教程(2) DOM选择器
Mootools 1.2教程(3) 数组使用简介
在IE下获取object(ActiveX)的Param的代码
ExtJS 配置和表格控件使用
javascript 缓冲效果实现代码 推荐
html数组字符串拼接的最快方法
JavaScript 浮动定位提示效果实现代码
类似CSDN图片切换效果脚本
javascript 面向对象编程 function也是类
javascript 面向对象编程 聊聊对象的事
javascript 面向对象编程 function是方法(函数)
[原创]基于innerHTML中的script广告实现代码[广告全部放在一个js里面]
jQuery slider Content(左右控制移动)

Javascript 中的 图片自动播放也可通过按钮控制显示


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 330 ::
收藏到网摘: n/a

swissarmy.js
复制代码 代码如下:

////NO need to edit /////////////
//more javascript from http://www.smallrain.net
function preloadctrl(im){
if (typeof im=='string'){
var imo=new Image();
imo.src=im;
}
}
if(document.images&&typeof preload_ctrl_images!='undefined'&&preload_ctrl_images){
var ctrlimgs=[previmg, stopimg, playimg, nextimg]
for (var i_tem = 0; i_tem < ctrlimgs.length; i_tem++)
if (ctrlimgs[i_tem])
preloadctrl(ctrlimgs[i_tem])
}
var iss=[]; //array to cache inter_slide instances
function inter_slide(){
if(!document.images||arguments.length==0)
return;
var imgs=arguments[0];
var width=null, height=null, delay=null;
if(arguments.length==2)
delay=arguments[1];
else if(arguments.length==3||arguments.length==4)
width=arguments[1], height=arguments[2], delay=arguments[3]? arguments[3] : null;
this.dom=(document.getElementById) //modern dom browsers
this.da=document.all
this.delay=imgs.delay? imgs.delay : delay? delay : 3000+iss.length*750;
this.nextimgidx=0;
iss[this.issid=iss.length]=this;
this.imgs=imgs;
if (imgs.random)
this.imgs.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.imgborder=imgs.border? parseInt(imgs.border) : 0;
if (!this.dom){
this.postimgs=new Array() //preload imgs
for (p=0;p<imgs.length;p++){
this.postimgs[p]=new Image()
this.postimgs[p].src=this.imgs[p][0]
}
}
if (this.dom){ //if modern browsers (ie: Firefox, IE5+)
this.faded=0;
this.loadimgidx=[];
this.fade=!imgs.nofade;
if(this.fade)
this.degree=10 //initial opacity degree (10%)
this.pausecheck=imgs.pause;
this.mouseovercheck=0
this.canvasbase="canvas"+this.issid
this.curcanvas=this.canvasbase+"_0"
this.descriptions=!imgs.no_descriptions;
this.man_start=imgs.manual_start;
this.addbr=!imgs.no_added_linebreaks;
this.no_auto=imgs.no_auto;
this.onclick=imgs.onclick;
this.specs=imgs.specs;
this.counter=imgs.counter;
this.ics=imgs.image_controls;
this.jumpto=imgs.jumpto;
this.no_c=imgs.no_controls;
this.target=imgs.target;
this.ualt=imgs.use_alt;
this.utit=imgs.use_title;
this.fadecolor=imgs.fadecolor;
this.ibut_hc=imgs.button_highlight;
this.dp=imgs.desc_prefix? imgs.desc_prefix : ' ';
this.imbcolor=imgs.border_color;
this.imbstyle=imgs.border_style;
this.width=imgs.width? imgs.width : width? width : null
this.width=this.width? this.width+this.imgborder*2 : null;
this.height=imgs.height? imgs.height : height? height : null
this.height=this.height? this.height+this.imgborder*2 : null;
var ief='', dims='';
if(this.width||this.height)
dims=this.width&&this.height? 'width:'+this.width+'px;height:'+this.height+'px;' : this.width? 'width:'+this.width+'px;' : 'height:'+this.height+'px;';
if(this.fade&&document.body&&document.body.style)
ief=document.body.filters? 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=0);' : typeof document.body.style.opacity=='string'? 'opacity:0;' : 'opacity:0.10;-moz-opacity:0.10;-khtml-opacity:0.10;';
var brs=this.addbr? '<br>' : '';
if (imgs.controls_top){
this.controls();
document.write(brs)
}
document.write('<div align="center"><div id="master'+this.issid+'" style="position:relative;'+dims+'overflow:hidden;margin:0 auto;"><div id="'+this.canvasbase+'_0" style="position:absolute;'+dims+'top:0;left:0;'+ief+'background-color:'+(imgs.fadecolor? imgs.fadecolor : 'white')+'"><\/div><div id="'+this.canvasbase+'_1" style="position:absolute;'+dims+'top:0;left:0;'+ief+'background-color:'+(imgs.fadecolor? imgs.fadecolor : 'white')+'"><\/div><\/div><\/div>')
if(this.descriptions)
document.write(brs+'<div align="center">'+this.dp+'<span id="imgdsc'+this.issid+'"> <\/span></div>\n');
if(this.counter&&!this.descriptions)
document.write(brs);
if(this.counter)
this.cntrl()
if (!imgs.controls_top){
document.write(this.ics? '' : brs);
this.controls();
}
}
else
document.write('<div align="center"><img name="defaultslide'+this.issid+'" src="'+this.postimgs[0].src+'"><\/div>')

if (this.dom) //if modern browsers such as Firefox, IE5+
this.startit()
else{
this.nextimgidx++
setInterval("iss["+this.issid+"].rotateimg()", this.delay)
}
}
inter_slide.prototype.cntrl=function(){
this.cpad=this.imgs.length.toString().length;
document.write('<div align="center">Viewing Image: <b><span id="thecnt'+this.issid+'"><\/span><\/b>of<span style="font-size:1ex;"> </span> <b>'+this.imgs.length+'<\/b><\/div>');
}
inter_slide.prototype.controls=function(){
var brs=this.addbr? '<br>' : ' ';
if(!this.ics&&!this.no_c)
document.write('<div align="center"><input id="prev'+this.issid+'" disabled type="button" value=" << " onclick="iss['+this.issid+'].changeimg(false, \'nav\');">\n'+
(this.no_auto? ' ' : ' <input id="gostp'+this.issid+'" type="button" value=" Stop " onclick="iss['+this.issid+'].gostop(this);">\n')+
' <input id="next'+this.issid+'" disabled type="button" value=" >> " onclick="iss['+this.issid+'].changeimg(true, \'nav\');">'+(this.jumpto? brs+'Jump to: <input disabled type="text" size="'+this.imgs.length.toString().length+'" id="goto'+this.issid+'" onkeydown="iss['+this.issid+'].jumper(event);"><input id="go'+this.issid+'" disabled type="button" onclick="iss['+this.issid+'].jumper();" value="GO">' : '')+'<\/div>')
else if(this.ics&&!this.no_c){
var op=document.body.filters? ' style="filter:alpha(opacity=100);"' : ' style="opacity:'+(this.man_start? 0.99 : 0.45)+';"';
document.write('<table align="center" cellpadding="0" cellspacing="10"><tr><td valign="middle" align="center" style="padding:2px 2px 1px 2px;"><input'+op+' onmouseover="iss['+this.issid+'].ibute(this,1);" onmouseout="iss['+this.issid+'].ibute(this,2);" onmousedown="iss['+this.issid+'].ibute(this,3);" onmouseup="iss['+this.issid+'].ibute(this,4);" type="image" title="Previous" id="prev'+this.issid+'" src="'+previmg+'" onclick="iss['+this.issid+'].changeimg(false, \'nav\');"><\/td>'+(this.no_auto? '<td> <\/td>' : '<td valign="middle" align="center" style="padding:2px 2px 1px 2px;"><input onmouseover="iss['+this.issid+'].ibute(this,1);" onmouseout="iss['+this.issid+'].ibute(this,2);" onmousedown="iss['+this.issid+'].ibute(this,3);" onmouseup="iss['+this.issid+'].ibute(this,4);" title="Stop" type="image" id="gostp'+this.issid+'" src="'+(this.g_fPlayMode? playimg : stopimg)+'" onclick="iss['+this.issid+'].gostop(this);"><\/td>')+'<td valign="middle" align="center" style="padding:2px 2px 1px 2px;"><input'+op+' onmouseover="iss['+this.issid+'].ibute(this,1);" onmouseout="iss['+this.issid+'].ibute(this,2);" onmousedown="iss['+this.issid+'].ibute(this,3);" onmouseup="iss['+this.issid+'].ibute(this,4);" type="image" title="Next" id="next'+this.issid+'" src="'+nextimg+'" onclick="iss['+this.issid+'].changeimg(true, \'nav\');"><\/td><\/tr><\/table>\n');
}
else
this.no_c=1;
}
inter_slide.prototype.jumper=function(e){
var key;
if(typeof e=='object')
key=e.keyCode? e.keyCode : e.which? e.which : 1;
if(key&&key!==13)
return;
var num=typeof e=='number'? e : parseInt(this.go('goto'+this.issid).value);
if(num<=this.imgs.length&&num>0){
this.nextimgidx=num-2;
this.changeimg(true, 'jump');
}
}
inter_slide.prototype.ibute=function(obj, i){
if(!obj.parentNode)
return;
if(i==1)
obj.parentNode.style.backgroundColor=this.ibut_hc? this.ibut_hc : 'yellow';
else if(i==2)
obj.parentNode.style.backgroundColor='transparent';
else if(i==3){
obj.parentNode.style.borderTop=obj.parentNode.style.borderLeft='1px solid gray';
obj.parentNode.style.paddingRight='1px';obj.parentNode.style.paddingBottom=0;
}
if (i==2||i==4){
obj.parentNode.style.borderTop=obj.parentNode.style.borderLeft='none';
obj.parentNode.style.paddingRight='2px';obj.parentNode.style.paddingBottom='1px';
}
}
inter_slide.prototype.fadepic=function(){
if (this.fade&&this.degree<100){
this.faded=0
this.degree+=10
if (this.tempobj.filters&&this.tempobj.filters[0]){
if (typeof this.tempobj.filters[0].opacity=="number") //if IE6+
this.tempobj.filters[0].opacity=this.degree
else //else if IE5.5-
this.tempobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (this.tempobj.style.MozOpacity)
this.tempobj.style.MozOpacity=this.degree/101
else if (this.tempobj.style.KhtmlOpacity)
this.tempobj.style.KhtmlOpacity=this.degree/100
else if (this.tempobj.style.opacity&&!this.tempobj.filters)
this.tempobj.style.opacity=this.degree/101
}
else{
this.faded=1
clearInterval(this.fadeclear)
this.nextcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_0" : this.canvasbase+"_1"
this.tempobj=this.go(this.nextcanvas)
if(this.playing)
this.changeimg()
}
}
inter_slide.prototype.populateslide=function(picobj, picidx){
if(document.getElementsByTagName){
if(picobj.getElementsByTagName('a')[0]&&picobj.getElementsByTagName('a')[0].onclick)
picobj.getElementsByTagName('a')[0].onclick=null;
if(picobj.getElementsByTagName('img')[0]&&picobj.getElementsByTagName('img')[0].onload)
picobj.getElementsByTagName('img')[0].onload=null;
}
picobj.style.backgroundColor=this.imgs[picidx].fadecolor? this.imgs[picidx].fadecolor : this.fadecolor? this.fadecolor : 'white';
var slideHTML='<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%"><tr><td width="100%" height="100%" align="center" valign="middle" style="background:transparent none;">'
if (this.imgs[picidx][2]){ //if associated link exists for img
var specs=this.imgs[picidx][4]? ", '"+this.imgs[picidx][4]+"'" : this.specs? ", '"+this.specs+"'" : '';
slideHTML+='<a href="'+this.imgs[picidx][2]+'"'+(this.imgs[picidx][3]? ' target="'+this.imgs[picidx][3]+'"' : this.target? ' target="'+this.target+'"' : '')+' onclick="'+(this.onclick? this.onclick : 'window.open(this.href, (this.target? this.target : \'_self\')'+specs+');return false;')+'">'
}
slideHTML+='<img id="theimg'+picidx+'_'+this.issid+'" src="'+(this.loadimgidx[picidx]&&typeof this.loadimgidx[picidx].complete=='boolean'&&this.loadimgidx[picidx].complete? this.loadimgidx[picidx].src : this.imgs[picidx][0])+'" alt="'+(this.ualt? this.imgs[picidx][1] : 'Slide Show Image')+'" title="'+(this.utit? this.imgs[picidx][1] : '')+'" '+(this.imbcolor&&!this.imgs[picidx].noborder? 'style="border:'+this.imgborder+'px '+(this.imbstyle? this.imbstyle : 'solid')+' '+this.imbcolor+';"' : 'border="'+(this.imgs[picidx].noborder? '0' : this.imgborder)+'"')+(!this.width||!this.height? ' onload="iss['+this.issid+'].imgload(this);"' : '')+'>'
if (this.imgs[picidx][2]) //if associated link exists for img
slideHTML+='<\/a>'
slideHTML+='<\/td><\/tr><\/table>'
picobj.innerHTML=slideHTML
}
inter_slide.prototype.buttons=function(bool){
if(this.no_c)
return;
var next=this.go('next'+this.issid), prev=this.go('prev'+this.issid);
next.disabled=prev.disabled=!bool;
next.title=bool? 'next' : '';
prev.title=bool? 'previous' : '';
if(this.jumpto&&!this.ics)
this.go('go'+this.issid).disabled=this.go('goto'+this.issid).disabled=!bool;
if(this.ics){
if(!this.no_auto){
var go=this.go('gostp'+this.issid)
go.title=bool? 'Play' : 'Stop';
go.src=bool? playimg : stopimg;
}
if(prev.filters&&prev.parentNode)
prev.parentNode.style.filter=next.parentNode.style.filter='alpha(opacity='+(bool? 100 : 45)+')';
else if(prev.style.opacity&&!prev.filters)
prev.style.opacity=next.style.opacity=bool? 0.99 : 0.45;
}
}
inter_slide.prototype.imgload=function(el){
if(!el&&!this.imgel)
return;
var el=el? el : this.imgel;
if(el.width==0||el.height==0){
this.imgel=el;
var cacheobj=this;
clearTimeout(this.getdim)
this.getdim=setTimeout(function(){cacheobj.imgload()}, 300)
return;
}
var m=this.go('master'+this.issid).style, c0=this.go(this.canvasbase+'_0').style, c1=this.go(this.canvasbase+'_1').style;
if(!this.width){
this.width=el.width+this.imgborder*2;
m.width = c0.width = c1.width = this.width+'px';
}
if(!this.height){
this.height=el.height+this.imgborder*2;
m.height = c0.height = c1.height = this.height+'px';
}
}
inter_slide.prototype.changeimg=function(bool,nav){
if(this.playing){
this.buttons(false)
this.nextimgidx=(this.keeptrack()<this.imgs.length-1)? this.keeptrack()+1 : 0
this.populateslide(this.tempobj, this.nextimgidx)
if(bool)
this.rotateimg()
else{
clearTimeout(this.inprocess)
this.inprocess=setTimeout("iss["+this.issid+"].rotateimg()", this.delay)
}
}
else {
if(!this.faded){
if(nav&&nav=='nav')
return;
this.nextimgidx=this.keeptrack()+(bool? 1 : -1)
this.nextimgidx=(this.nextimgidx<this.imgs.length)? this.nextimgidx : this.nextimgidx-this.imgs.length
this.nextimgidx=(this.nextimgidx>-1)? this.nextimgidx : this.imgs.length+this.nextimgidx
return;
}
if(this.fadeclear)
clearInterval(this.fadeclear);
if(bool){
var loadidx=this.nextimgidx+2
loadidx=(loadidx<this.imgs.length)? loadidx : loadidx-this.imgs.length;
loadidx=(loadidx>-1)? loadidx : this.imgs.length+loadidx;
this.loadimgidx[loadidx]=new Image();
this.loadimgidx[loadidx].src=this.imgs[loadidx][0];
}
else{
var loadidx=this.nextimgidx-2
loadidx=(loadidx<this.imgs.length)? loadidx : loadidx-this.imgs.length
loadidx=(loadidx>-1)? loadidx : this.imgs.length+loadidx
this.loadimgidx[loadidx]=new Image();
this.loadimgidx[loadidx].src=this.imgs[loadidx][0];
}
if(nav&&nav=='jump')
this.nextimgidx++;
else
this.nextimgidx=this.keeptrack()+(bool? 1 : -1)
this.nextimgidx=(this.nextimgidx<this.imgs.length)? this.nextimgidx : this.nextimgidx-this.imgs.length
this.nextimgidx=(this.nextimgidx>-1)? this.nextimgidx : this.imgs.length+this.nextimgidx
this.populateslide(this.tempobj, this.nextimgidx)
this.rotateimg()
}
}
inter_slide.prototype.go=function(id){
return this.da? this.da[id] : document.getElementById(id);
}
inter_slide.prototype.rotateimg=function(){
if(this.dom){
var cimg=this.go('theimg'+this.nextimgidx+'_'+this.issid)? this.go('theimg'+this.nextimgidx+'_'+this.issid) : null;
if(cimg&&typeof cimg.complete=='boolean'&&!cimg.complete){
var cacheobj=this
clearTimeout(this.loading)
this.loading=setTimeout(function(){cacheobj.rotateimg()}, 300)
return;
}
if (this.mouseovercheck==1){
var cacheobj=this
clearTimeout(this.mousep)
this.mousep=setTimeout(function(){cacheobj.rotateimg()}, 100)
return;
}
if(this.fade)
this.resetit()
var crossobj=this.tempobj=this.go(this.curcanvas)
crossobj.style.zIndex++
var othercanvas=this.curcanvas==this.canvasbase+"_0"? this.go(this.canvasbase+"_1") : this.go(this.canvasbase+"_0");
othercanvas.style.zIndex=0;
if(this.descriptions)
this.go('imgdsc'+this.issid).innerHTML = this.imgs[this.keeptrack()][1];
if(this.counter){
var padit='';
for (var p=0; p<this.cpad-(this.nextimgidx+1).toString().length; p++)
padit+='<span style="visibility:hidden;">0</span>';
this.go('thecnt'+this.issid).innerHTML = padit+(this.keeptrack()<this.imgs.length? this.keeptrack()+1 : 1);
}
if (this.jumpto)
this.go('goto'+this.issid).value=this.keeptrack()<this.imgs.length? this.keeptrack()+1 : 1;
this.jumperidx=this.keeptrack()<this.imgs.length? this.keeptrack()+1 : 1;
var fadeobj=this
clearInterval(this.fadeclear)
this.fadeclear=setInterval(function(){fadeobj.fadepic()},50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
}
else{
var v4imgobj=document.images['defaultslide'+this.issid]
v4imgobj.src=this.postimgs[this.nextimgidx].src
this.nextimgidx=(this.nextimgidx<this.imgs.length-1)? this.nextimgidx+1 : 0
}
}
inter_slide.prototype.resetit=function(){
this.degree=10
var crossobj=this.go(this.curcanvas)
if (crossobj.filters&&crossobj.filters[0]){
if (typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if (crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=this.degree/100
else if (crossobj.style.opacity&&!crossobj.filters)
crossobj.style.opacity=this.degree/101
}
inter_slide.prototype.startit=function(){
this.playing=1
var crossobj=this.go(this.curcanvas)
this.populateslide(crossobj, this.nextimgidx)
if (this.pausecheck==1){ //if slideshow should pause onmouseover
var cacheobj=this
var crossobjcontainer=this.go("master"+this.issid)
crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
}
this.rotateimg()
if(this.no_auto)
this.gostop();
else if(this.man_start)
this.gostop(this.go('gostp'+this.issid));
else if(this.ics&&document.body.filters){ //kludge for IE5.5 bug
this.buttons(false);
}
}
inter_slide.prototype.gostop=function(el){
if(el)
el.value=el.value==' Stop '? ' Play ' : ' Stop ';
if(this.inprocess&&this.playing){
clearTimeout(this.inprocess);
this.nextimgidx-=this.faded;
}
this.playing=!this.playing;
if(this.playing){
clearInterval(this.fadeclear)
this.faded=1
this.changeimg(true);
}
else{
var loadidx=(this.keeptrack()<this.imgs.length-1)? this.keeptrack()+1 : 0
this.loadimgidx[loadidx]=new Image();
this.loadimgidx[loadidx].src=this.imgs[loadidx][0];
this.jumper(this.jumperidx? this.jumperidx : 0)
this.buttons(true);
}
}
inter_slide.prototype.keeptrack=function(){
if(!document.getElementsByTagName)
return this.nextimgidx;
var canvases=[this.go('canvas'+this.issid+'_0'), this.go('canvas'+this.issid+'_1')]
if(canvases[0].style.zIndex>canvases[1].style.zIndex&&canvases[0].getElementsByTagName("img")[0])
return parseInt(canvases[0].getElementsByTagName('img')[0].id.replace(/theimg/, ''))
else if(canvases[1].getElementsByTagName("img")[0])
return parseInt(canvases[1].getElementsByTagName('img')[0].id.replace(/theimg/, ''))
else
return this.nextimgidx;
}

点击运行可以看到效果:
[Ctrl+A 全选 提示:你可先修改部分代码,再按运行]