js上下滚动代码

来源：互联网发布：visio2007 网络拓扑图编辑：程序博客网时间：2024/04/30 16:26

最近项目需要做了一个网页图片图片滚动的界面，参考

http://www.cnblogs.com/blueSkys/archive/2010/03/15/1686476.html。

代码如下感觉还可以给大家分享一下，拷贝下来后可以直接本地运行里面图片是网络图片所以要连接网络，废话少说直接上代码。

<head><-----></head><body><！--向下滚动代码开始--><div id="colee" style="overflow:hidden;height:253px;width:410px;"><div id="colee1"><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></div><div id="colee2"></div></div><script>var speed=30;var colee2=document.getElementById("colee2");var colee1=document.getElementById("colee1");var colee=document.getElementById("colee");colee2.innerHTML=colee1.innerHTML; //克隆colee1为colee2function Marquee1(){//当滚动至colee1与colee2交界时if(colee2.offsetTop-colee.scrollTop<=0){ colee.scrollTop-=colee1.offsetHeight; //colee跳到最顶端 }else{ colee.scrollTop++}}var MyMar1=setInterval(Marquee1,speed)//设置定时器//鼠标移上时清除定时器达到滚动停止的目的colee.onmouseover=function() {clearInterval(MyMar1)}//鼠标移开时重设定时器colee.onmouseout=function(){MyMar1=setInterval(Marquee1,speed)}</script><!--向上滚动代码结束--> <br><!--下面是向下滚动代码--><div id="colee_bottom" style="overflow:hidden;height:253px;width:410px;"><div id="colee_bottom1"><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></div><div id="colee_bottom2"></div></div><script>var speed=30var colee_bottom2=document.getElementById("colee_bottom2");var colee_bottom1=document.getElementById("colee_bottom1");var colee_bottom=document.getElementById("colee_bottom");colee_bottom2.innerHTML=colee_bottom1.innerHTMLcolee_bottom.scrollTop=colee_bottom.scrollHeightfunction Marquee2(){if(colee_bottom1.offsetTop-colee_bottom.scrollTop>=0)colee_bottom.scrollTop+=colee_bottom2.offsetHeightelse{colee_bottom.scrollTop--}}var MyMar2=setInterval(Marquee2,speed)colee_bottom.onmouseover=function() {clearInterval(MyMar2)}colee_bottom.onmouseout=function() {MyMar2=setInterval(Marquee2,speed)}</script><!--向下滚动代码结束--><br> <!--下面是向左滚动代码--><div id="colee_left" style="overflow:hidden;width:500px;"><table cellpadding="0" cellspacing="0" border="0"><tr><td id="colee_left1" valign="top" align="center"><table cellpadding="2" cellspacing="0" border="0"><tr align="center"><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td></tr></table></td><td id="colee_left2" valign="top"></td></tr></table></div><script>//使用div时，请保证colee_left2与colee_left1是在同一行上.var speed=30//速度数值越大速度越慢var colee_left2=document.getElementById("colee_left2");var colee_left1=document.getElementById("colee_left1");var colee_left=document.getElementById("colee_left");colee_left2.innerHTML=colee_left1.innerHTMLfunction Marquee3(){if(colee_left2.offsetWidth-colee_left.scrollLeft<=0)//offsetWidth 是对象的可见宽度colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度else{colee_left.scrollLeft++}}var MyMar3=setInterval(Marquee3,speed)colee_left.onmouseover=function() {clearInterval(MyMar3)}colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}</script><!--向左滚动代码结束--><br>  <!--下面是向右滚动代码--><div id="colee_right" style="overflow:hidden;width:500px;"><table cellpadding="0" cellspacing="0" border="0"><tr><td id="colee_right1" valign="top" align="center"><table cellpadding="2" cellspacing="0" border="0"><tr align="center"><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td><td><p><img src="http://www.codefans.net/jscss/demoimg/200907/bg3.jpg"></p></td></tr></table></td><td id="colee_right2" valign="top"></td></tr></table></div><script>var speed=30//速度数值越大速度越慢var colee_right2=document.getElementById("colee_right2");var colee_right1=document.getElementById("colee_right1");var colee_right=document.getElementById("colee_right");colee_right2.innerHTML=colee_right1.innerHTMLfunction Marquee4(){if(colee_right.scrollLeft<=0)colee_right.scrollLeft+=colee_right2.offsetWidthelse{colee_right.scrollLeft--}}var MyMar4=setInterval(Marquee4,speed)colee_right.onmouseover=function() {clearInterval(MyMar4)}colee_right.onmouseout=function() {MyMar4=setInterval(Marquee4,speed)}</script><!--向右滚动代码结束--></body></html>

按上下键移动，可以把数字改成图片

<head><-----></head><body><！--向下滚动代码开始--><div id="colee" style="overflow:hidden;height:253px;width:410px;"><div id="colee1"><p>1</p><p>2</p><p>3</p><p>4</p><p>5</p><p>6</p><p>7</p><p>8</p><p>9</p><p>10</p></div><div id="colee2" style="height:0px"></div></div><script>var speed=2;var step = 50;var colee2=document.getElementById("colee2");var colee1=document.getElementById("colee1");var colee=document.getElementById("colee");var MyMar1=setInterval(Marquee1,speed)//设置定时器colee2.innerHTML=colee1.innerHTML; //克隆colee1为colee2function Marquee1(){//当滚动至colee1与colee2交界时if(colee2.offsetTop-colee.scrollTop<=0){ //colee.scrollTop-=colee1.offsetHeight; //colee跳到最顶端 //alert(1); colee.scrollTop = 10; }else{ step--; if(step>0) {colee.scrollTop++; } else {step = 50;clearInterval(MyMar1); }}}function Marquee2(){//当滚动至colee1与colee2交界时 //alert(colee2.offsetTop+";"+colee.scrollTop);if(colee.scrollTop<=0){//alert(1); //colee.scrollTop-=colee1.offsetHeight; //colee跳到最顶端 //alert(1); //alert(colee2.offsetTop+";"+colee.scrollTop); colee.scrollTop += (colee2.offsetTop-50); }else{ step--; if(step>0) {colee.scrollTop--; } else {step = 50;clearInterval(MyMar1); }}}function movup(){clearInterval(MyMar1);MyMar1=setInterval(Marquee1,speed);}function movdown(){clearInterval(MyMar1);MyMar1=setInterval(Marquee2,speed);}document.body.onkeydown=window.onkeydown=function(e){var keyCode ;if(!e){e=window.event;}if(document.all){keyCode=e.keyCode;}else{keyCode=e.which;}switch(keyCode){/*left*/case 37:case 38:movup();break;/*right*/ case 39:case 40:movdown();break;}}</script></body></html>