日期:2014-05-16 浏览次数:20331 次
<!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> <title></title> <style type ="text/css"> html,body{width:100%;height:100%} ul{padding:0px;margin:0px;list-style:none;} li{cursor:pointer;padding:0px 5px; line-height:25px;height:25px;} </style> </head> <body> <p> <input type='text' id='txtInput' onkeyup='getSearchKeys()'/> <div id='divShow' style="position:absolute; z-index:9999; width:200px; height:auto; display:none;border:1px solid #ddd"> <ul> <li>aaa</li> </ul> </div> </p> </body> <script type="text/javascript"> var keys=['ada','sdfsd','bbb','sfga','dfhgfh','235s','dfew','ghjk','hjkghjk','fgjgfjf','fghjgfj','2345f','fthtr','sfgerw','tyerth','vnmu','wertewr','wert','asdfaf','zxcvd','gkju','dvfgdh','2354af','adsf','erterter','fghdfg','xvdfg','kjhu','qweasdas','xzce','werwre','zzczc','rtewtrew']; // 搜索值,可以用Ajax从数据库获取 var txtInput ; var divShow ; window.onload=function() { txtInput =document.getElementById("txtInput"); divShow = document.getElementById("divShow"); var p =getAbsPoint(txtInput); divShow.style.left = p.x +'px'; divShow.style.top = p.y + txtInput.offsetHeight + 'px'; txtInput.onclick = divShow.onclick=function(e) { e = e||event; var t = e.target||e.srcElement if(t.tagName.toLowerCase()=='li') { txtInput.value = t.innerHTML; divShow.style.display = "none"; return; } if(e && e.stopPropagation){ //W3C取消冒泡事件 e.stopPropagation(); }else{ //IE取消冒泡事件 window.event.cancelBubble = true; } }; document.body.onclick=function(e) { divShow.style.display = "none"; }; }; function getSearchKeys() { var s= txtInput.value; if(s=='') { divShow.style.display = "none"; return; } var arr=['<ul>']; for(var i=0;i<keys.length;i++) { if(keys[i].indexOf(s)>=0){ arr.push('<li>'+keys[i]+'</li>'); } } if(arr.length>1){ arr.push('</ul>'); divShow.innerHTML = arr.join(''); divShow.style.display = "block"; }else{ divShow.style.display = "none"; } } function getAbsPoint(e) { var x = e.offsetLeft; var y = e.offsetTop; while(e = e.offsetParent) { x += e.offsetLeft; y += e.offsetTop; } return {"x": x, "y": y}; } </script> </html>