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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>jQeury QQ表情 插件</title>
<meta name="description" content="">
<meta name="keywords" content="">
<style type="text/css">
#box{
width: 450px;
height: 200px;
position: absolute;
}
a{
color: #333;
text-decoration: none;
}
#liveChatContent{
width: 400px;
height: 100px;
outline: none;
}
#face{
display: inline-block;
width: 100px;
height: 30px;
line-height: 30px;
border:1px solid #999;
background: #f3f3f3;
text-decoration: none;
text-align: center;
border-radius: 3px;
}
#box.a1{
left: 10px;
top: 0;
}
#box.a2{
right: 10px;
top: 0;
text-align: right;
}
#box.a3{
left: 10px;
bottom: 10px;
}
#box.a4{
right: 10px;
bottom: 10px;
text-align: right;
}
</style>
</head>
<body>
<div id="box" class="a1">
<p>
<a class="pos" href="javascript:;" data-index="1">位置1</a>
<a class="pos" href="javascript:;" data-index="2">位置2</a>
<a class="pos" href="javascript:;" data-index="3">位置3</a>
<a class="pos" href="javascript:;" data-index="4">位置4</a>
</p>
<div>
<textarea id="liveChatContent" spellcheck="false"></textarea>
</div>
<a href="javascript:;" id="face">表情</a>
<span id="left"></span>
</div>
<script type="text/javascript" src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript" src="jquery.qqface.min.js"></script>
<script type="text/javascript">
var oldLength = '';
$('#liveChatContent').on('change keydown keyup input', function(event) {
var textarea = $(this);
var value = $(this).val();
var length = getLenth(value);
if (length > 200) {
textarea.val(oldLength);
} else {
oldLength = value;
$('#left').html('还可以输入'+ (200 -length) + '个字符');
}
});
function getLenth(str) {
str = str.replace(/\[:([\s\S]+?)\]/g, 'F'); //把所有表情都变成F，一个字符
str = str.replace(/[\u4e00-\u9fa5]/g, 'CN'); //把所有表情都变成F，一个字符
return str.length;
}
$.qqface({
before : function(textarea, code){
var value = textarea.val();
var length = getLenth(value);
return length < 199;
}, //要在插入之前执行
after: function(textarea, code){
var value = textarea.val();
var length = getLenth(value);
$('#left').html('还可以输入'+ (200 -length) + '个字符');
$('#liveChatContent').change();
}, //在插入之后执行
imgPath : 'gif/',
textarea : $('#liveChatContent'),
handle : $('#face')
});
$('a.pos').on('click', function(){
var index = $(this).data('index');
$('#box').attr('class', 'a' + index);
});
</script>
</body>
</html>