1、html：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>jQuery软键盘插件</title>
<link rel="stylesheet" type="text/css" href="css/style.css" />
</head>
<body>
<div id="container" >
<textarea id="write" rows="6" cols="60"></textarea>
<div class="thumnail" style="background:red;width:24px;height:24px;cursor:pointer;"></div>
<ul id="keyboard" style="display:none;">
<li class="symbol"><span class="off">`</span><span class="on">~</span></li>
<li class="symbol"><span class="off">1</span><span class="on">!</span></li>
<li class="symbol"><span class="off">2</span><span class="on">@</span></li>
<li class="symbol"><span class="off">3</span><span class="on">#</span></li>
<li class="symbol"><span class="off">4</span><span class="on">$</span></li>
<li class="symbol"><span class="off">5</span><span class="on">%</span></li>
<li class="symbol"><span class="off">6</span><span class="on">^</span></li>
<li class="symbol"><span class="off">7</span><span class="on">&</span></li>
<li class="symbol"><span class="off">8</span><span class="on">*</span></li>
<li class="symbol"><span class="off">9</span><span class="on">(</span></li>
<li class="symbol"><span class="off">0</span><span class="on">)</span></li>
<li class="symbol"><span class="off">-</span><span class="on">_</span></li>
<li class="symbol"><span class="off">=</span><span class="on">+</span></li>
<li class="delete lastitem">delete</li>
<li class="tab">tab</li>
<li class="letter">q</li>
<li class="letter">w</li>
<li class="letter">e</li>
<li class="letter">r</li>
<li class="letter">t</li>
<li class="letter">y</li>
<li class="letter">u</li>
<li class="letter">i</li>
<li class="letter">o</li>
<li class="letter">p</li>
<li class="symbol"><span class="off">[</span><span class="on">{</span></li>
<li class="symbol"><span class="off">]</span><span class="on">}</span></li>
<li class="symbol lastitem"><span class="off">\</span><span class="on">|</span></li>
<li class="capslock">caps lock</li>
<li class="letter">a</li>
<li class="letter">s</li>
<li class="letter">d</li>
<li class="letter">f</li>
<li class="letter">g</li>
<li class="letter">h</li>
<li class="letter">j</li>
<li class="letter">k</li>
<li class="letter">l</li>
<li class="symbol"><span class="off">;</span><span class="on">:</span></li>
<li class="symbol"><span class="off">‘</span><span class="on">"</span></li>
<li class="return lastitem">return</li>
<li class="left-shift">shift</li>
<li class="letter">z</li>
<li class="letter">x</li>
<li class="letter">c</li>
<li class="letter">v</li>
<li class="letter">b</li>
<li class="letter">n</li>
<li class="letter">m</li>
<li class="symbol"><span class="off">,</span><span class="on"><</span></li>
<li class="symbol"><span class="off">.</span><span class="on">></span></li>
<li class="symbol"><span class="off">/</span><span class="on">?</span></li>
<li class="right-shift lastitem">shift</li>
<li class="space lastitem"> </li>
</ul>
</div>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/keyboard.js"></script>
</body>
<script type="text/javascript">
$(function(){
$(".thumnail").click(function(){
$("#keyboard").css("display","block");
});
});
</script>
</html>
2、css：
* {
margin: 0;
padding: 0;
}
body {
font: 71%/1.5 Verdana, Sans-Serif;
background: #eee;
}
#container {
margin: 100px auto;
width: 688px;
}
#write {
margin: 0 0 5px;
padding: 5px;
width: 671px;
height: 200px;
font: 1em/1.5 Verdana, Sans-Serif;
background: #fff;
border: 1px solid #f9f9f9;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
}
#keyboard {
margin: 0;
padding: 0;
list-style: none;
}
#keyboard li {
float: left;
margin: 0 5px 5px 0;
width: 40px;
height: 40px;
line-height: 40px;
text-align: center;
background: #fff;
border: 1px solid #f9f9f9;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
}
.capslock, .tab, .left-shift {
clear: left;
}
#keyboard .tab, #keyboard .delete {
width: 70px;
}
#keyboard .capslock {
width: 80px;
}
#keyboard .return {
width: 77px;
}
#keyboard .left-shift {
width: 95px;
}
#keyboard .right-shift {
width: 109px;
}
.lastitem {
margin-right: 0;
}
.uppercase {
text-transform: uppercase;
}
#keyboard .space {
clear: left;
width: 681px;
}
.on {
display: none;
}
#keyboard li:hover {
position: relative;
top: 1px;
left: 1px;
border-color: #e5e5e5;
cursor: pointer;
}
3、js：keyboard.js
$(function(){
var $write = $(‘#write‘),
shift = false,
capslock = false;
$(‘#keyboard li‘).click(function(){
var $this = $(this),
character = $this.html(); // If it‘s a lowercase letter, nothing happens to this variable
// Shift keys
if ($this.hasClass(‘left-shift‘) || $this.hasClass(‘right-shift‘)) {
$(‘.letter‘).toggleClass(‘uppercase‘);
$(‘.symbol span‘).toggle();
shift = (shift === true) ? false : true;
capslock = false;
return false;
}
// Caps lock
if ($this.hasClass(‘capslock‘)) {
$(‘.letter‘).toggleClass(‘uppercase‘);
capslock = true;
return false;
}
// Delete
if ($this.hasClass(‘delete‘)) {
var html = $write.html();
$write.html(html.substr(0, html.length - 1));
return false;
}
// Special characters
if ($this.hasClass(‘symbol‘)) character = $(‘span:visible‘, $this).html();
if ($this.hasClass(‘space‘)) character = ‘ ‘;
if ($this.hasClass(‘tab‘)) character = "\t";
if ($this.hasClass(‘return‘)) character = "\n";
// Uppercase letter
if ($this.hasClass(‘uppercase‘)) character = character.toUpperCase();
// Remove shift once a key is clicked.
if (shift === true) {
$(‘.symbol span‘).toggle();
if (capslock === false) $(‘.letter‘).toggleClass(‘uppercase‘);
shift = false;
}
// Add the character
$write.html($write.html() + character);
});
});