<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 test() {
init();
smanPromptList(arrList,"aspx")
smanPromptList(arrList,"aspx2")
smanPromptList(arrList,"inputer")
}
function init() {
if (arrList.constructor!=Array){alert('smanPromptList初始化失败:第一个参数非数组!');return ;}
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;
}
);
}
function smanPromptList(arrList,objInputId){
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++){
if (arrList[intTmp].substr(0, strInput.length).toUpperCase()==strInput.toUpperCase()){
addOption(arrList[intTmp]);
}
}
objouter.style.display='';
}else{
objouter.style.display='none';
}
function addOption(value){
objouter.innerHTML +="<div onmouseover=\"this.className='sman_selectedStyle'\" onmouseout=\"this.className=''\" onmousedown=\"document.getElementById('"+objInputId+"').value='" + value + "'\">" + value + "</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;background:#E8F7EB;border: 1px solid #CCCCCC;font-size:14px;cursor: default;' 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 mendingLeft = ob .offsetLeft;
while( ob != null && ob.offsetParent != null && ob.offsetParent.tagName != "BODY" ){
mendingLeft += ob .offsetParent.offsetLeft;
mendingOb = ob.offsetParent;
}
return mendingLeft ;
}
function getAbsoluteTop(ob){
var mendingTop = ob.offsetTop;
while( ob != null && ob.offsetParent != null && ob.offsetParent.tagName != "BODY" ){
mendingTop += ob .offsetParent.offsetTop;
ob = ob .offsetParent;
}
return mendingTop ;
}
</script>
<body onload="test()">
</body>
请输入内容：
<input type="text" id="inputer"> 如 a
<br>
<font color="red">
改来改去还是只能用于一个文本框的下拉提示
</font>
如果是两个的话就不能出来提示了呀。。。<br>
<input type="text" id="aspx"><br>
<input type="text" id="aspx2"><br>
多个文本框的下拉提示 还是没实现,
我的JS不好还请大家帮帮看看。我想
<font color="red" >
实现多个文本框都能下拉提示 怎么办啊。。。<br>
</font>
posted on 2008-06-27 21:29
Hank1026 阅读(1211)
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