通过javascript在IE模拟键盘输入

今天有个东西需要在浏览器中模拟键盘组合键，比如 Ctrl + M 。
在网上搜索了一下，资料都不是我想要的。
后来想想，从安全性考虑浏览器应该不会提供这样的功能。
不过在网上找了两段代码，还是有点用处，不过全部都是只能在IE上用，有一个还需要你开放Wscript.Shell权限，我想很少人会这么做了，不过可能在某些特殊环境下还是用得到的，把代码帖到这，保不定我那一天用得到，或者启发一下思路也好。

---------------------------------------------------------------------------------------

<html>
<body>
<table>
<tr><td οnclick="selecttoolid('find')">尋找</td></tr>
</table>
</body>
</html>
<script language="javascript">
function selecttoolid(id){
var WshShell = new ActiveXObject("Wscript.Shell");
    switch(id){
        case 'find':
            try{WshShell.SendKeys("^f");} catch(e){}
            break
        }
WshShell.Quit;
}
</script>

来之： http://www.nohack.cn/bbs/viewthread.php?tid=12311

-------------------------------------------------------------------------------------------------------------------------------
在表单中模拟键盘输入，可以用做银行账号输入

<html>
<head>
<SCRIPT>
//定义当前是否大写的状态
window.οnlοad=
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);
//more javascript from http://www.webjx.com

}
//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].οnclick=
     function ()
     {
      var thisButtonValue=this.value;
      thisButtonValue=thisButtonValue.trim();
      addValue(thisButtonValue);
      //alert(234)
     }
    Calc.elements[i].οndblclick=
     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;

来之：http://www.webjx.com/htmldata/2005-06-29/1120003280.html

转载于:https://www.cnblogs.com/suxvsheng/archive/2006/09/15/505452.html

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