jQuery软键盘插件

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">`~</li>
 <li class="symbol">1!</li>
 <li class="symbol">2@</li>
 <li class="symbol">3#</li>
 <li class="symbol">4$</li>
 <li class="symbol">5%</li>
 <li class="symbol">6^</li>
 <li class="symbol">7&</li>
 <li class="symbol">8*</li>
 <li class="symbol">9(</li>
 <li class="symbol">0)</li>
 <li class="symbol">-_</li>
 <li class="symbol">=+</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">[{</li>
 <li class="symbol">]}</li>
 <li class="symbol lastitem">\|</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">;:</li>
 <li class="symbol">'"</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">,<</li>
 <li class="symbol">.></li>
 <li class="symbol">/?</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);
   });
});

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jQuery软键盘插件

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