当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 一款不错的键盘密码输入js程序

Javascript
仿搜狐女人频道FLASH图片切换效果
JS CSS文章查看系统
走出JavaScript初学困境—js初学
javascript 弹性菜单,垂直的那种
javascript FormatNumber函数实现方法
动态创建的表格单元格中的事件实现代码
js继承 Base类的源码解析
javascript 一段代码引发的思考
很全的显示阴历(农历)日期的js代码
用于判断用户注册时,密码强度的JS代码
JavaScript Prototype对象
javascript 表单的友好用户体现
javascript 方法覆写实例代码
Javascript 生成指定范围数值随机数
javascript 自动转到命名锚记
捕获关闭窗口的脚本
在网页里看flash的trace数据的js类
JavaScript delete操作符应用实例
js利用Array.splice实现Array的insert/remove
JavaScript 私有成员分析

Javascript 中的 一款不错的键盘密码输入js程序


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 340 ::
收藏到网摘: n/a

keyword.js
复制代码 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 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;\">软晨学习网</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=\" ~ \"></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;
}
window.onload=
function ()
{
password1=null;
initCalc();

}

点击运行可以看到效果:
[Ctrl+A 全选 提示:你可先修改部分代码,再按运行]