仿GOOGLE搜索框提示效果

时间:2015/12/3 22:39:00来源:互联网 作者:flyso 点击: 892 次
<script language="javascript"> 
var intIndex=0;arrList = new Array(); 
arrList[intIndex++] = " 1sdfsdf.com"; 
arrList[intIndex++] = " a11sdafs.net"; 
arrList[intIndex++] = " b22dsafsdf"; 
arrList[intIndex++] = " c333asdfsadf"; 
arrList[intIndex++] = " 4444dsafasdf"; 
arrList[intIndex++] = " dddsfddsafdsaf"; 
arrList[intIndex++] = " 121213dsafsdaf"; 
arrList[intIndex++] = " 43213asdfadsf"; 
arrList[intIndex++] = " dsa3121dasf3"; 
arrList[intIndex++] = " a213"; 
arrList[intIndex++] = " 323313"; 
arrList[intIndex++] = " 3213"; 
arrList[intIndex++] = " 32213"; 
arrList[intIndex++] = " dsfsdddd"; 
arrList[intIndex++] = " ds11dfsfd"; 
arrList[intIndex++] = " ffdafd"; 
arrList[intIndex++] = " afdfd"; 
arrList[intIndex++] = " afd"; 
arrList[intIndex++] = " baffad"; 
arrList[intIndex++] = " 2fda2fd"; 
arrList[intIndex++] = " dasd"; 
 
function smanPromptList(arrList,objInputId){ 
this.style = "background:#E8F7EB;border: 1px solid #CCCCCC;font-size:14px;cursor: default;" 
if (arrList.constructor!=Array){alert('smanPromptList初始化失败:第一个参数非数组!');return ;} 
window.onload =function() { 
              arrList.sort(function(a,b){ 
                  if(a.length>b.length)return 1; 
                else if(a.length==b.length)return a.localeCompare(b); 
                else return -1; 
            }) 
var objouter=document.getElementById("__smanDisp") //显示的DIV对象 
var objInput = document.getElementById(objInputId); //文本框对象 
var selectedIndex=-1; 
var intTmp; //循环用的:) 
if (objInput==null) {alert('smanPromptList初始化失败:没有找到"'+objInputId+'"文本框');return ;} 
//文本框失去焦点 
objInput.onblur=function(){ 
objouter.style.display='none'; 
//文本框按键抬起 
objInput.onkeyup=checkKeyCode; 
//文本框得到焦点 
objInput.onfocus=checkAndShow; 
function checkKeyCode(){ 
var ie = (document.all)? true:false 
if (ie){ 
var keyCode=event.keyCode 
if (keyCode==40||keyCode==38){ //下上 
  var isUp=false 
  if(keyCode==40) isUp=true ; 
  chageSelection(isUp) 
}else if (keyCode==13){//回车 
  outSelection(selectedIndex); 
}else{ 
  checkAndShow() 
}else{ 
checkAndShow() 
divPosition() 
 
function checkAndShow(){ 
  var strInput = objInput.value 
  if (strInput!=""){ 
  divPosition(); 
  selectedIndex=-1; 
  objouter.innerHTML =""; 
  for (intTmp=0;intTmp<arrList.length;intTmp++){ 
  for(i=0;i<arrList[intTmp].length;i++){  
if (arrList[intTmp].substr(i, strInput.length).toUpperCase()==strInput.toUpperCase()){ 
    addOption(arrList[intTmp],strInput); 
  } 
  } 
  objouter.style.display=''; 
  }else{ 
  objouter.style.display='none'; 
function addOption(value,keyw){ 
var v=value.replace(keyw,"<b><font color=red>"+keyw+"</font></b>"); 
  objouter.innerHTML +="<div onmouseover=\"this.className='sman_selectedStyle'\" onmouseout=\"this.className=''\" onmousedown=\"document.getElementById('"+objInputId+"').value='" + value + "'\">" + v + "</div>"  
function chageSelection(isUp){ 
if (objouter.style.display=='none'){ 
objouter.style.display=''; 
}else{ 
if (isUp) 
  selectedIndex++ 
else 
  selectedIndex-- 
var maxIndex = objouter.children.length-1; 
if (selectedIndex<0){selectedIndex=0} 
if (selectedIndex>maxIndex) {selectedIndex=maxIndex} 
for (intTmp=0;intTmp<=maxIndex;intTmp++){ 
 
if (intTmp==selectedIndex){ 
  objouter.children[intTmp].className="sman_selectedStyle"; 
}else{ 
  objouter.children[intTmp].className=""; 
function outSelection(Index){ 
objInput.value = objouter.children[Index].innerText; 
objouter.style.display='none'; 
function divPosition(){ 
objouter.style.top =getAbsoluteHeight(objInput)+getAbsoluteTop(objInput); 
objouter.style.left =getAbsoluteLeft(objInput);  
objouter.style.width=getAbsoluteWidth(objInput) 
document.write("<div id='__smanDisp' style='position:absolute;display:none;" + this.style + "' onbulr> </div>"); 
document.write("<style>.sman_selectedStyle{background-Color:#102681;color:#FFFFFF}</style>"); 
function getAbsoluteHeight(ob){ 
return ob.offsetHeight 
function getAbsoluteWidth(ob){ 
return ob.offsetWidth 
function getAbsoluteLeft(ob){ 
var s_el=0;el=ob;while(el){s_el=s_el+el.offsetLeft;el=el.offsetParent;}; return s_el 
function getAbsoluteTop(ob){ 
var s_el=0;el=ob;while(el){s_el=s_el+el.offsetTop ;el=el.offsetParent;}; return s_el 
smanPromptList(arrList,"inputer") 
</script> 
<table><tr><td> 
<input type="text" id="inputer"></td></tr></table>  



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