imobile蓝牙耳机怎么用？比较购物网站中比较代码如何实现

1.建立一个compare.html内含js脚本，以实现与php程序通信，代码如下：（附：手机对比脚本一例)《html》《head》《title》手机对比功能《/title》 《script language=“JavaScript“》 lastScrollY = 0; function heartBeat() { diffY = document.body.scrollTop; percent =.1*(diffY-lastScrollY); if(percent》0) percent = Math.ceil(percent); else percent = Math.floor(percent); document.all.float.style.pixelTop+= percent; lastScrollY = lastScrollY+percent; } window.setInterval(“heartBeat()“,1);《/script》 《script》 var strCookies = document.cookie; // document.write (strCookies); var cookieName = ’JsItem’ + “=“; var cookieName2 = ’Jscount’ + “=“; var valueBegin, valueEnd, value; valueBegin = strCookies.indexOf(cookieName); // document.write (valueBegin); var item=; var item2=; if(valueBegin == -1){ var itemtotal=0; }else{ valueEnd = strCookies.indexOf(cookieName2); value = strCookies.substring(valueBegin+cookieName.length,valueEnd-2); // document.write (value); var item = value.split(’,’); // document.write (value.length); value = strCookies.substr(valueEnd + cookieName2.length,1); // document.write (value); var itemtotal= value; } function redraw() { floatstr = “《table height=100% width=100% bgcolor=#000000》《form method=’get’ action=’/compare2005.php’ name=’compare’ target=’_blank’》《tr bgcolor=#cc9900》《td》《center》《input type=’button’ value=’开始对比’ name=’submits’ onclick=’comparecheck();’ style=’cursor:hand;’》《br》“; i=1; for(var m=0;m《item.length;m++) { if(item[m]){ pid = m; names = item[m]; ft = “《font color=red size=1》|《/font》《br》《input type=button name=pid“+i+“ value=’“+names+“’ onclick=\“del(’“+pid+“’)\“ style=’border:1px solid;border-color:red ;background-color:white;height:24;width:120;cursor:hand;color:’black’;’》《input type=’hidden’ name=’pid“+i+“’’ value=’“+pid+“’》《br》“; floatstr = floatstr+ft; i++; } } floatstr = floatstr + “《/center》《/td》《/tr》《/form》《/table》“; floater.innerHTML = floatstr; } function comparecheck() { mark=0 if(document.compare.pid1) mark++; if(document.compare.pid2) mark++; if(document.compare.pid3) mark++; if(document.compare.pid4) mark++; if(document.compare.pid5) mark++; if(mark《2) { alert (’请至少选择两款机型进行对比!’); }else { document.compare.submit(); } } function add(pid,names) { if(!item[pid]) { if(itemtotal 《 5) { itemtotal++; item[pid] = names; redraw(); }else { alert(’抱歉，最多只能有5款机型进行对比!’); } }else { alert(’您已经选择了’+names+’!’); } } function del(pid) { item2=; for(key in item) { if(key!=pid) item2[key]=item[key]; } item = item2; itemtotal=itemtotal-1; redraw();} 《/script》 《script language=“JavaScript“》 function SaveItem(){ if(item.length 》 0){ var strcookie = ’JsItem’ + “=“ + item ; document.cookie = strcookie; var strcookie1 = ’Jscount’ + “=“ + itemtotal; document.cookie = strcookie1; } } 《/script》 《meta 《meta 《style type=“text/css“》《!-- body{font-size=9pt}TH{FONT-SIZE: 9pt}TD{ FONT-SIZE: 9pt}#floater { position: absolute; right: 0px; top: 600; width: 125; visibility: visible; z-index: 10; left: 5px;}--》《/style》《/head》 《body onLoad=“redraw();“ onUnload=“SaveItem();“》 《script LANGUAGE=“JavaScript“》self.onError=null;currentX = currentY = 0;whichIt = null;lastScrollX = 0; lastScrollY = 0;NS = (document.layers) ? 1 : 0;IE = (document.all) ? 1: 0;《!-- STALKER CODE --》function heartBeat() {if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }if(diffY != lastScrollY) {percent = .1 * (diffY - lastScrollY);if(percent 》 0) percent = Math.ceil(percent);else percent = Math.floor(percent);if(IE) document.all.floater.style.pixelTop += percent;if(NS) document.floater.top += percent;lastScrollY = lastScrollY + percent;}if(diffX != lastScrollX) {percent = .1 * (diffX - lastScrollX);if(percent 》 0) percent = Math.ceil(percent);else percent = Math.floor(percent);if(IE) document.all.floater.style.pixelLeft += percent;if(NS) document.floater.left += percent;lastScrollX = lastScrollX + percent;}}《!-- /STALKER CODE --》《!-- DRAG DROP CODE --》function checkFocus(x,y) {stalkerx = document.floater.pageX;stalkery = document.floater.pageY;stalkerwidth = document.floater.clip.width;stalkerheight = document.floater.clip.height;if( (x 》 stalkerx && x 《 (stalkerx+stalkerwidth)) && (y 》 stalkery && y 《 (stalkery+stalkerheight))) return true;else return false;}function grabIt(e) {if(IE) {whichIt = event.srcElement;while (whichIt.id.indexOf(“floater“) == -1) {whichIt = whichIt.parentElement;if (whichIt == null) { return true; }}whichIt.style.pixelLeft = whichIt.offsetLeft;whichIt.style.pixelTop = whichIt.offsetTop;currentX = (event.clientX + document.body.scrollLeft);currentY = (event.clientY + document.body.scrollTop);} else {window.captureEvents(Event.MOUSEMOVE);if(checkFocus (e.pageX,e.pageY)) {whichIt = document.floater;StalkerTouchedX = e.pageX-document.floater.pageX;StalkerTouchedY = e.pageY-document.floater.pageY;}}return true;}function moveIt(e) {if (whichIt == null) { return false; }if(IE) {newX = (event.clientX + document.body.scrollLeft);newY = (event.clientY + document.body.scrollTop);distanceX = (newX - currentX); distanceY = (newY - currentY);currentX = newX; currentY = newY;whichIt.style.pixelLeft += distanceX;whichIt.style.pixelTop += distanceY;if(whichIt.style.pixelTop 《 document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;if(whichIt.style.pixelLeft 《 document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;if(whichIt.style.pixelLeft 》 document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;if(whichIt.style.pixelTop 》 document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;event.returnValue = false;} else {whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);if(whichIt.left 《 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;if(whichIt.top 《 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;if( (whichIt.left + whichIt.clip.width) 》= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;if( (whichIt.top + whichIt.clip.height) 》= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;return false;}return false;}function dropIt() {whichIt = null;if(NS) window.releaseEvents (Event.MOUSEMOVE);return true;}《!-- DRAG DROP CODE --》if(NS) {window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);window.onmousedown = grabIt;window.onmousemove = moveIt;window.onmouseup = dropIt;}if(IE) {document.onmousedown = grabIt;document.onmousemove = moveIt;document.onmouseup = dropIt;}if(NS || IE) action = window.setInterval(“heartBeat()“,1);《/script》 《div id=’floater’ style=’position:absolute;right:1px;top:51px;filter:alpha(opacity=70);z-index:99;width:140;’ align=center》《form method=’get’ action=’/compare2005.php’ name=’compare’ target=’_blank’》 《table height=100% width=100% bgcolor=#000000》《tr bgcolor=#cc9900》《td》《center》《input type=’button’ value=’开始对比’ name=’submits’ onclick=’comparecheck();’ style=’cursor:hand;’》《br》《/td》《/tr》《/form》《/table》 《/div》 《table width=“768“ border=“1“ align=“center“ cellpadding=“2“ cellspacing=“0“ bordercolorlight=“#cccccc“ bordercolordark=“#ffffff“》 《tbody》 《tr align=“center“ bgcolor=“#E0E0E0“》 《td》手机型号《/td》 《td》网络类型《/td》 《td》上市日期《/td》 《td》网店价格《/td》 《td》手机论坛《/td》 《td》对比功能《/td》 《/tr》《tr align=“center“》《td height=“25“》《a href=“/product/1859.html“ target=“_blank“》三星 SGH-X138《/a》《/td》《td》GSM900/1800MHz/GPRS《/td》《td》05年05月《/td》《td》《a href=“/price2005.php?cid=7&pid=1859“ target=“_blank“》《font color=red》￥1350《/font》《/a》《/td》《td》《a href=“《td》《input style=“BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; BORDER-LEFT: 1px solid; BORDER-BOTTOM: 1px solid“ onclick=“add(’1859’,’ SGH-X138’);“ type=button value=对比篮 /》《/td》《/tr》《/tr》《tr align=“center“》《td height=“25“》《a href=“/product/1817.html“ target=“_blank“》三星 SCH-M309《/a》《/td》《td》CDMA 1X《/td》《td》05年03月《/td》《td》《a href=“/price2005.php?cid=7&pid=1817“ target=“_blank“》《font color=red》￥4800 - ￥6875《/font》《/a》《/td》《td》《a href=“《/table》《/body》《/html》2.建立一个MySQL的数据库及对比商品的数据表，使用php与js通信得到的参数为准，从MySQL取库，显示到页面即可！3.说简单其实很简单，思路就是这样！你可以看看《手机之家》的对比栏功能，就大概知道一些了！记得给分啊！