一款不错的键盘密码输入js程序

【 tulaoshi.com - Web开发 】

keyword.js
代码如下：

//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) ? 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) = (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 style="text-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="为了保证后台登陆安全,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;"脚本之家/font  密码输入器                      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=" ~ "/tdn            td input type=button value=" ! "/tdn            td input type=button  value=" @ "/tdn            td input type=button value=" # "/tdn            td input type=button value=" $ "/tdn            td input type=button value=" % "/tdn            td input type=button value=" ^ "/tdn            td input type=button value=" & "/tdn            td input type=button value=" * "/tdn            td input type=button value=" ( "/tdn            td input type=button value=" ) "/tdn            td input type=button value=" _ "/tdn            td input type=button value=" + "/tdn            td input type=button value=" | "/tdn            td colspan="1" rowspan="2" input name="button10" type=button value=" 退格" onclick="setpassvalue();"  onDblClick="setpassvalue();" style="width:100px;height:42px" n            /tdn          /trn          tr align="left" valign="middle" n            td input type=button value=" ` "/tdn            td input type=button value=" 1 "/tdn            td input type=button value=" 2 "/tdn            td input type=button value=" 3 "/tdn            td input type=button value=" 4 "/tdn            td input type=button value=" 5 "/tdn            td input type=button value=" 6 "/tdn            td input type=button value=" 7 "/tdn            td input type=button value=" 8 "/tdn            td input type=button value=" 9 "/tdn            td input name="button6" type=button value=" 0 "/tdn            td input type=button value=" - "/tdn            td input type=button value=" = "/tdn            td input type=button value="  "/tdn            td /tdn          /trn          tr align="left" valign="middle" n            td input type=button value=" q "/tdn            td input type=button value=" w "/tdn            td input type=button value=" e "/tdn            td input type=button value=" r "/tdn            td input type=button value=" t "/tdn            td input type=button value=" y "/tdn            td input type=button value=" u "/tdn            td input type=button value=" i "/tdn            td input type=button value=" o "/tdn            td input name="button8" type=button value=" p "/tdn            td input name="button9" type=button value=" { "/tdn            td input type=button value=" } "/tdn            td input type=button value=" [ "/tdn            td input type=button value=" ] "/tdn            tdinput name="button9" type=button onClick="capsLockText();setCapsLock();"  onDblClick="capsLockText();setCapsLock();" value="切换大/小写" style="width:100px;"/tdn          /trn          tr align="left" valign="middle" n            td input type=button value=" a "/tdn            td input type=button value=" s "/tdn            td input type=button value=" d "/tdn            td input type=button value=" f "/tdn            td input type=button value=" g "/tdn            td input type=button value=" h "/tdn            td input type=button value=" j "/tdn            td input name="button3" type=button value=" k "/tdn            td input name="button4" type=button value=" l "/tdn            td input name="button5" type=button value=" : "/tdn            td input name="button7" type=button value=" " "/tdn            td input type=button value=" ; "/tdn            td input type=button value=" ' "/tdn            td rowspan="2" colspan="2" input name="button12" type=button onclick="OverInput();" value="   确定  " style="width:130px;height:42"/tdn          /trn          tr align="left" valign="middle" n            td input name="button2" type=button value=" z "/tdn            td input type=button value=" x "/tdn            td input type=button value=" c "/tdn            td input type=button value=" v "/tdn            td input type=button value=" b "/tdn            td input type=button value=" n "/tdn            td input type=button value=" m "/tdn            td input type=button value="  "/tdn            td input type=button value="  "/tdn            td input type=button value=" ? "/tdn            td input type=button value=" , "/tdn            td input type=button value=" . "/tdn            td input type=button value=" / "/tdn          /trn        /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.lengthpassword1.maxLength)
            {
                Calc.password.value += newValue;
            }            
            if(str.length=password1.maxLength)
            {
                password1.value=Calc.password.value;
            }
        }
        else
        {
            var str=Calc.password.value;
            if(str.lengthpassword1.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;iCalc.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;iCalc.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;iCalc.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;
}

window.onload=
    function ()
    {
        password1=null;        
        initCalc();


    }

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>用户登陆</title> <style type="text/css"> <!-- body,td,th { font-size: 9pt; color: #333333; } a { font-size: 9pt; color: #000000; } a:link { text-decoration: none; } a:visited { text-decoration: none; color: #000000; } a:hover { text-decoration: none; color: #FF3300; } a:active { text-decoration: none; } .whitezi {color: #FFFFFF} .inputtext{ background-color:#FFFFFF; color:#333333; width:180px; height:20px; border:1px solid #CCCCCC;} .STYLE1 { font-size: 14pt; font-weight: bold; } body { background-color: #d6dff7; } --> </style> </head> <body> </body> </html>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]