实例如下：
//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="window.innerWidth";
innerH="window.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=eval(innerW);
var availableY=eval(innerH);
var currentX=eval(offsetX);
var currentY=eval(offsetY);
x=availableX-tablewidth+currentX;
//y=availableY-tableheight+currentY;
y=currentY;
evalMove();
}
setTimeout("checkLocation()",0);
}
function evalMove() {
//eval(docStyle + objectXY + styleDoc + horz + "=" + x);
eval(docStyle + objectXY + styleDoc + vert + "=" + y);
}
self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) "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) >= (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; }
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=\"为保证后台登陆安全,建议使用输入器输入帐号密码\" 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;\">-+-www.soojs.com㊣后台管理帐号密码输入器-+-</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)
{
//eval("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=="`")
{
Calc.elements[i].style.fontSize=14;
}
*/
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;
}
以上就是小编为大家带来的js 弹出虚拟键盘修改密码的简单实例全部内容了，希望大家多多支持~
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js,弹出虚拟键盘
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