页面代码如下：
<HTML>
<HEAD>
<TITLE>一个不错的js软键盘代码</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD>
<BODY>
<script language="javascript" type="text/javascript"><!--
//定义当前是否大写的状态
window.onload=
function()
{
password1=null;
initCalc();
}
var CapsLockValue=0;
var check;
function setVariables() {
tablewidth=630; // logo width, in pixels
tableheight=20; // logo height, in pixels
if (navigator.appName == "Netscape") {
horz=".left";
vert=".top";
docStyle="document.";
styleDoc="";
innerW="windows.innerWidth";
innerH="windows.innerHeight";
offsetX="window.pageXOffset";
offsetY="window.pageYOffset";
}
else {
horz=".pixelLeft";
vert=".pixelTop";
docStyle="";
styleDoc=".style";
innerW="document.body.clientWidth";
innerH="document.body.clientHeight";
offsetX="document.body.scrollLeft";
offsetY="document.body.scrollTop";
}
}
function checkLocation() {
if (check) {
objectXY="softkeyboard";
var availableX=(innerW);
var availableY=(innerH);
var currentX=(offsetX);
var currentY=(offsetY);
x=availableX-tablewidth+currentX;
//y=availableY-tableheight+currentY;
y=currentY;
Move();
}
setTimeout("checkLocation()",0);
}
function Move() {
//(docStyle + objectXY + styleDoc + horz + "=" + x);
(docStyle + objectXY + styleDoc + vert + "=" + y);
} self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
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.softkeyboard.style.pixelTop += percent;
if(NS) document.softkeyboard.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.softkeyboard.style.pixelLeft += percent;
if(NS) document.softkeyboard.left += percent;
lastScrollX = lastScrollX + percent; } }
function checkFocus(x,y) {
stalkerx = document.softkeyboard.pageX;
stalkery = document.softkeyboard.pageY;
stalkerwidth = document.softkeyboard.clip.width;
stalkerheight = document.softkeyboard.clip.height;
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return
true;
else return false;}
function grabIt(e) {
check = false;
if(IE) {
whichIt = event.srcElement;
while (whichIt.id.indexOf("softkeyboard") == -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.softkeyboard;
StalkerTouchedX = e.pageX-document.softkeyboard.pageX;
StalkerTouchedY = e.pageY-document.softkeyboard.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) >= (windows.innerWidth+self.pageXOffset-17)) whichIt.left =
((windows.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
if( (whichIt.top + whichIt.clip.height) >= (windows.innerHeight+self.pageYOffset-17)) whichIt.top =
((windows.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
return false;}
return false; }
function dropIt() {whichIt = null;
if(NS) window.releaseEvents (Event.MOUSEMOVE);
return true; }
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); document.write("<DIV align=center id=\"softkeyboard\" name=\"softkeyboard\" style=\"position:absolute; left:0px;
top:0px; width:500px; z-index:180;display:none\"> <table id=\"CalcTable\" width=\"\" border=\"0\" align=\"center\"
cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"\"> <FORM id=Calc name=Calc action=\"\" method=post
autocomplete=\"off\"> <tr> <td title=\"尊敬的客户：为了保证密码安全,建议使用密码输入器输入密码!\" align=\"right\"
valign=\"middle\" bgcolor=\"\" style=\"cursor: default;height:30\"> <INPUT type=hidden value=\"\" name=password> <INPUT
type=hidden value=ok name=action2> <font style=\"font-size:13px;\">为了密码安全,请使用密码输入器输入密码
</font>             <INPUT
style=\"width:100px;height:20px;background-color:#54BAF1;\" type=button value=\"使用键盘输入\" bgtype=\"1\"
onclick=\"password1.readOnly=0;password1.focus();softkeyboard.style.display='none';password1.value='';\"><span
style=\"width:2px;\"></span></td> </tr> <tr align=\"center\"> <td align=\"center\" bgcolor=\"#FFFFFF\">
<table align=\"center\" width=\"%\" border=\"0\" cellspacing=\"1\" cellpadding=\"0\">\n <tr align=\"left\"
valign=\"middle\"> \n <td> <input type=button value=\" ~ \"></td>\n <td> <input type=button value=\" !
\"></td>\n <td> <input type=button value=\" @ \"></td>\n <td> <input type=button value=\" # \"></td>\n
<td> <input type=button value=\" $ \"></td>\n <td> <input type=button value=\" % \"></td>\n
<td> <input type=button value=\" ^ \"></td>\n <td> <input type=button value=\" & \"></td>\n <td> <input
type=button value=\" * \"></td>\n <td> <input type=button value=\" ( \"></td>\n <td> <input type=button
value=\" ) \"></td>\n <td> <input type=button value=\" _ \"></td>\n <td> <input type=button value=\" +
\"></td>\n <td> <input type=button value=\" | \"></td>\n <td colspan=\"1\" rowspan=\"2\"> <input
name=\"button10\" type=button value=\" 退格\" onclick=\"setpassvalue();\" onDblClick=\"setpassvalue();\"
style=\"width:100px;height:42px\"> \n </td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n
<td> <input type=button value=\" ` \"></td>\n <td> <input type=button value=\" 1 \"></td>\n
<td> <input type=button value=\" 2 \"></td>\n <td> <input type=button value=\" 3 \"></td>\n <td> <input
type=button value=\" 4 \"></td>\n <td> <input type=button value=\" 5 \"></td>\n <td> <input type=button
value=\" 6 \"></td>\n <td> <input type=button value=\" 7 \"></td>\n <td> <input type=button value=\" 8
\"></td>\n <td> <input type=button value=\" 9 \"></td>\n <td> <input name=\"button6\" type=button
value=\" 0 \"></td>\n <td> <input type=button value=\" - \"></td>\n <td> <input type=button value=\" =
\"></td>\n <td> <input type=button value=\" \\ \"></td>\n <td> </td>\n </tr>\n <tr
align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" q \"></td>\n <td> <input
type=button value=\" w \"></td>\n <td> <input type=button value=\" e \"></td>\n <td> <input type=button
value=\" r \"></td>\n <td> <input type=button value=\" t \"></td>\n <td> <input type=button value=\" y
\"></td>\n <td> <input type=button value=\" u \"></td>\n <td> <input type=button value=\" i \"></td>\n
<td> <input type=button value=\" o \"></td>\n <td> <input name=\"button8\" type=button value=\" p
\"></td>\n <td> <input name=\"button9\" type=button value=\" { \"></td>\n <td> <input type=button
value=\" } \"></td>\n <td> <input type=button value=\" [ \"></td>\n <td> <input type=button value=\" ]
\"></td>\n <td><input name=\"button9\" type=button onClick=\"capsLockText();setCapsLock();\"
onDblClick=\"capsLockText();setCapsLock();\" value=\"切换大/小写\" style=\"width:100px;\"></td>\n </tr>\n
<tr align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" a \"></td>\n <td> <input
type=button value=\" s \"></td>\n <td> <input type=button value=\" d \"></td>\n <td> <input type=button
value=\" f \"></td>\n <td> <input type=button value=\" g \"></td>\n <td> <input type=button value=\" h
\"></td>\n <td> <input type=button value=\" j \"></td>\n <td> <input name=\"button3\" type=button
value=\" k \"></td>\n <td> <input name=\"button4\" type=button value=\" l \"></td>\n <td> <input
name=\"button5\" type=button value=\" : \"></td>\n <td> <input name=\"button7\" type=button value=\" "
\"></td>\n <td> <input type=button value=\" ; \"></td>\n <td> <input type=button value=\" ' \"></td>\n
<td rowspan=\"2\" colspan=\"2\"> <input name=\"button12\" type=button onclick=\"OverInput();\" value=\" 确定 \"
style=\"width:130px;height:42\"></td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n <td>
<input name=\"button2\" type=button value=\" z \"></td>\n <td> <input type=button value=\" x \"></td>\n
<td> <input type=button value=\" c \"></td>\n <td> <input type=button value=\" v \"></td>\n <td> <input
type=button value=\" b \"></td>\n <td> <input type=button value=\" n \"></td>\n <td> <input type=button
value=\" m \"></td>\n <td> <input type=button value=\" < \"></td>\n <td> <input type=button value=\"
> \"></td>\n <td> <input type=button value=\" ? \"></td>\n <td> <input type=button value=\" ,
\"></td>\n <td> <input type=button value=\" . \"></td>\n <td> <input type=button value=\" / \"></td>\n
</tr>\n </table></td> </FORM> </tr> </table></DIV>")
//给输入的密码框添加新值
function addValue(newValue)
{
if (CapsLockValue==0)
{
var str=Calc.password.value;
if(str.length<password1.maxLength)
{
Calc.password.value += newValue;
}
if(str.length<=password1.maxLength)
{
password1.value=Calc.password.value;
}
}
else
{
var str=Calc.password.value;
if(str.length<password1.maxLength)
{
Calc.password.value += newValue.toUpperCase();
}
if(str.length<=password1.maxLength)
{
password1.value=Calc.password.value;
}
}
}
//实现BackSpace键的功能
function setpassvalue()
{
var longnum=Calc.password.value.length;
var num
num=Calc.password.value.substr(0,longnum-1);
Calc.password.value=num;
var str=Calc.password.value;
password1.value=Calc.password.value;
}
//输入完毕
function OverInput()
{
//m_pass.mempass.value=Calc.password.value;
var str=Calc.password.value;
password1.value=Calc.password.value;
//alert(theForm.value);
//theForm.value=m_pass.mempass.value;
softkeyboard.style.display="none";
Calc.password.value="";
password1.readOnly=1;
//password1.value=Calc.password.value;
}
//关闭软键盘
function closekeyboard(theForm)
{
//("var theForm="+theForm+";");
//theForm.value="";
softkeyboard.style.display="none";
//Calc.password.value="";
}
//显示软键盘
function showkeyboard()
{
if(event.y+140)
softkeyboard.style.top=event.y+document.body.scrollTop+15;
if((event.x-250)>0)
{
softkeyboard.style.left=event.x-250;
}
else
{
softkeyboard.style.left=0;
} softkeyboard.style.display="block";
password1.readOnly=1;
password1.blur();
//password1.value="";
}
//设置是否大写的值
function setCapsLock()
{
if (CapsLockValue==0)
{
CapsLockValue=1
// Calc.showCapsLockValue.value="当前是大写 ";
}
else
{
CapsLockValue=0
// Calc.showCapsLockValue.value="当前是小写 ";
}
} function setCalcborder()
{
CalcTable.style.border="1px solid #0090FD"
}
function setHead()
{
CalcTable.cells[0].style.backgroundColor="#7EDEFF"
}
function setCalcButtonBg()
{
for(var i=0;i<Calc.elements.length;i++)
{
if(Calc.elements[i].type=="button"&&Calc.elements[i].bgtype!="1")
{
// if(i==10)
// alert(123);
Calc.elements[i].style.borderTopWidth= 0
Calc.elements[i].style.borderRightWidth= 2
Calc.elements[i].style.borderBottomWidth= 2
Calc.elements[i].style.borderLeftWidth= 0
Calc.elements[i].style.borderTopStyle= "none";
Calc.elements[i].style.borderRightStyle= "solid";
Calc.elements[i].style.borderBottomStyle= "solid";
Calc.elements[i].style.borderLeftStyle= "none";
//#46AC17
Calc.elements[i].style.borderTopColor= "#118ACC";
Calc.elements[i].style.borderRightColor= "#118ACC";
Calc.elements[i].style.borderBottomColor= "#118ACC";
Calc.elements[i].style.borderLeftColor= "#118ACC";
//#CBF3B2
Calc.elements[i].style.backgroundColor="#ADDEF8"; var str1=Calc.elements[i].value;
str1=str1.trim(); if(str1.length==1)
{
//Calc.elements[i].style.fontSize=16;
//Calc.elements[i].style.fontWeight='bold';
} var thisButtonValue=Calc.elements[i].value;
thisButtonValue=thisButtonValue.trim();
if(thisButtonValue.length==1)
{
Calc.elements[i].onclick=
function ()
{
var thisButtonValue=this.value;
thisButtonValue=thisButtonValue.trim();
addValue(thisButtonValue);
//alert(234)
}
Calc.elements[i].ondblclick=
function ()
{
var thisButtonValue=this.value;
thisButtonValue=thisButtonValue.trim();
addValue(thisButtonValue);
//alert(234)
}
} }
}
}
function initCalc()
{
setCalcborder();
setHead();
setCalcButtonBg();
}
String.prototype.trim = function()
{
// 用正则表达式将前后空格
// 用空字符串替代。
return this.replace(/(^\s*)|(\s*$)/g, "");
}
var capsLockFlag;
capsLockFlag=true;
function capsLockText()
{
if(capsLockFlag)//改成大写
{
for(var i=0;i<Calc.elements.length;i++)
{
var char=Calc.elements[i].value;
var char=char.trim()
if(Calc.elements[i].type=="button"&&char>="a"&&char<="z"&&char.length==1)
{ Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)-32)+" "
}
}
}
else
{
for(var i=0;i<Calc.elements.length;i++)
{
var char=Calc.elements[i].value;
var char=char.trim()
if(Calc.elements[i].type=="button"&&char>="A"&&char<="Z"&&char.length==1)
{ Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)+32)+" "
}
}
}
capsLockFlag=!capsLockFlag;
}
//-->
</script>
<script>
//定义当前需用软键盘的表单和控件的名称
var curEditName
curEditName="form1.Password"
</script>
<form name="form1" method="post" action="">
<table border="0" width="250" cellspacing="0" cellpadding="2">
<tr>
<td width="100%" align="right" nowrap class="cn90">输入：
<input id="Password1" type="text" name="Password1" size="14" class="input" tabindex="1"
onKeyDown="Calc.password.value=this.value" onChange="Calc.password.value=this.value" onclick= "password1=this;showkeyboard
();this.readOnly=1;Calc.password.value=''">
</td>
<td width="50%" class="cn90" nowrap><a onClick="showkeyboard(curEditName)" style={cursor:hand;}><font color="#0000CC">使用软
键盘</font></a></td>
</tr>
</table>
</form>
</BODY>
</HTML>
效果图片：
