一個(gè)不錯(cuò)的給圖片添加說(shuō)明文字的動(dòng)態(tài)層的實(shí)現(xiàn)代碼

更新時(shí)間：2013年04月17日 18:19:58 作者：

一個(gè)不錯(cuò)的給圖片添加說(shuō)明文字的動(dòng)態(tài)層的實(shí)現(xiàn)代碼，需要的朋友可以參考下

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>滑動(dòng)說(shuō)明文字</title> <style type="text/css" media="all"> .slide_bg{border:#999999 3px solid;width:207px;height:106px;position:relative;overflow:hidden;float:left;margin-right:16px;margin-top:26px;} .slide_img{background-image:url(/jscss/demoimg/wall1.jpg);width:207px;height:106px;} .slide_txt{width:197px;height:100px;background-color:#000000;position:absolute;top:106px;left:0px;color:#FFCC33;line-height:22px;padding:5px;font-size:12px;} </style> <script language="javascript" type="text/javascript"> var slide_content=function(){ var id="slide_content" //滑動(dòng)圖片父容器的id名 var interval=10; //滑動(dòng)速度 var interval2=100; //文字滑出延遲時(shí)間(毫秒) var interval3=500; //文字內(nèi)容自動(dòng)消失的延遲時(shí)間(毫秒) var opacity=69; //文字內(nèi)容圖層透明度 var timer2=new Array(); var elem=new Array(); var status=new Array(); var div=document.getElementById(id).getElementsByTagName("div"); var timer3=0; //run_animation var d=function(){ var timer,obj,txt;var ypos=100; this.run=function(pra1,pra2,dir){obj=pra1;txt=pra2;if(dir>0){clearTimeout(timer);clearTimeout(timer3);timer3=setTimeout(obj.up,interval2);}else{clearTimeout(timer);obj.down()};txt.style.filter="alpha(opacity="+opacity+")";txt.style.opacity=opacity/100;} //向上滑動(dòng) this.up=function(){if(ypos<=0){txt.style.top="0px"}else{ypos-=10;txt.style.top=ypos+"px";timer=setTimeout(obj.up,interval)}} //向下滑動(dòng) this.down=function(){if(ypos>=106){txt.style.top="106px";}else{ypos+=15;txt.style.top=ypos+"px";timer=setTimeout(obj.down,interval)}} } //init mouse_behavior for(var i=0;i<div.length;i+=3){ div[i+1].index=div[i+2].index=i+2; elem[i+2]=new d(); div[i+1].onmouseover=function(){elem[this.index].run(elem[this.index],div[this.index],1)}; div[i+1].onmouseout=function(){var n=this.index;if(status[n]!=1){timer2[n]=setTimeout(imgout,interval3)};function imgout(){elem[n].run(elem[n],div[n],-1)}} div[i+2].onmouseout=function(){elem[this.index].run(elem[this.index],div[this.index],-1);status[this.index]=0} div[i+2].onmouseover=function(){clearTimeout(timer2[this.index]);status[this.index]=1} } } //網(wǎng)頁(yè)加載完畢時(shí)，啟動(dòng)函數(shù) window.onload=slide_content; </script> </head> <body> <div   class="opd0f38"   id="slide_content"> <div   id="xxg35ff"   class="slide_bg"> <div   id="jebvdej"   class="slide_img"></div> <div   id="maexrix"   class="slide_txt">春天：<br>春天是播種的季節(jié)。</div> </div> <div   id="vf8sm83"   class="slide_bg"> <div   id="cnl3eu8"   class="slide_img"></div> <div   id="zycki58"   class="slide_txt">夏天：<br>夏天是火熱的季節(jié)。</div> </div> <div   id="5wp3buo"   class="slide_bg"> <div   id="y53kdyw"   class="slide_img"></div> <div   id="2cwtq88"   class="slide_txt">秋天：<br>秋天是豐收的季節(jié)。</div> </div> <div   id="538pfrn"   class="slide_bg"> <div   id="wx0owfy"   class="slide_img"></div> <div   id="huop80x"   class="slide_txt">冬天：<br>冬天是雷人的季節(jié)。</div> </div> </div> </body> </html>

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