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Javascript
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javascript中如何实现浏览器上的右键菜单
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javascript实例教程(1) 创建弹出式窗口
javascript实例教程(2) 创建折叠式导航菜单
javascript实例教程(3) 探测浏览器插件
javascript实例教程(4) 探测浏览器插件
javascript实例教程(5) 在一个表单中设置和检查Cookies
javascript实例教程(6) 利用javascript进行密码保护
javascript实例教程(7) 利用javascript基于浏览器类型的重定向
javascript实例教程(8) 检验表单有效性
javascript实例教程(9) 随机显示图片
javascript实例教程(10) 创建后退按钮
javascript实例教程(11) 隐藏script代码
javascript实例教程(12) 鼠标移过时报警
javascript实例教程(13) 鼠标触发窗口
javascript实例教程(14) JS代替CGI

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: 232 ::
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]