今天分享下”前端html教程—如何让你的页面评论框拥有表情功能“这篇文章，文中根据实例编码详细介绍，或许对大家的编程之路有着一定的参考空间与使用价值，需要的朋友接下来跟着云南仟龙Mark一起学习一下吧。 HTML带表情的评论框，表情通过Json数据加载，可以根据自己的喜好改变表情。本评论框代码为HTML，CSS，JQ三个方面的代码。图1为原始状态，图2为点击表情时出现的表情列表，可以任意选择一个或者多个。下面我们来看看实现的代码。

实现的代码：

html代码：

XML/HTML Code复制内容到剪贴板

<div class="Main">     
         <div class="Input_Box">     
           <textarea class="Input_text"></textarea>     
           <div class="faceDiv"> </div>     
           <div class="Input_Foot"> <a class="imgBtn" href="javascript:void(0);"></a><a class="postBtn">确定</a> </div>     
         </div>     
       </div>    

css3代码：

CSS Code复制内容到剪贴板

.Input_Box {
width: 495px;
height: 160px;
border: 1px solid #ccc;
transition: border linear .2s, box-shadow linear .5s;
-moz-transition: border linear .2s, -moz-box-shadow linear .5s;
-webkit-transition: border linear .2s, -webkit-box-shadow linear .5s;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
background-color: #fff;
overflow: hidden;
position: absolute;
-moz-box-shadow: 0 0 5px #ccc;
-webkit-box-shadow: 0 0 5px #ccc;
box-shadow: 0 0 5px #ccc;
}
.Input_Box>textarea {
width: 485px;
height: 111px;
padding: 5px;
outline: none;
border: 0px solid #fff;
resize: none;
font: 13px “微软雅黑”, Arial, Helvetica, sans-serif;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
}
.Input_Foot {
width: 100%;
height: 35px;
border-top: 1px solid #ccc;
background-color: #fff;
-moz-border-radius: 0 0 5px 5px;
-webkit-border-radius: 0 0 5px 5px;
border-radius: 0 0 5px 5px;
position: absolute;
}
.imgBtn {
float: left;
margin-top: 8px;
margin-left: 10px;
background-image: url(imgs.png);
background-repeat: no-repeat;
background-position: 0 -13px;
height: 18px;
width: 20px;
cursor: pointer
}
.imgBtn:active {
margin-top: 9px;
}
.imgBtn:hover {
background-position: 0 -31px
}
.postBtn {
float: rightright;
font: 13px “微软雅黑”, Arial, Helvetica, sans-serif;
color: #808080;
padding: 9px 20px 7px 20px;
border-left: 1px solid #ccc;
cursor: pointer;
-moz-border-radius: 0 0 5px 0;
-webkit-border-radius: 0 0 5px 0;
border-radius: 0 0 5px 0;
}
.postBtn:hover {
color: #333;
background-color: #efefef;
}
.postBtn:active {
padding: 10px 20px 6px 20px;
}
.faceDiv {
width: 500px;
height: 120px;
border-top: 1px solid #ccc;
position: absolute;
background-color: #fff;
-moz-border-radius: 5px 5px 0 0;
-webkit-border-radius: 5px 5px 0 0;
border-radius: 5px 5px 0 0;
}
.faceDiv>img {
border: 1px solid #ccc;
float: left;
margin-left: -1px;
margin-top: -1px;
position: relative;
width: 24px;
height: 24px;
padding: 3px 3px 3px 3px;
cursor: pointer;
}
.faceDiv>img:hover {
background-color: #efefef;
}
.faceDiv>img:active {
padding: 4px 3px 2px 3px;
}
　　Javascript代码:

JavaScript Code复制内容到剪贴板

var ImgIputHandler={
facePath:[
{faceName:“微笑”,facePath:“0_微笑.gif”},
{faceName:“撇嘴”,facePath:“1_撇嘴.gif”},
{faceName:“色”,facePath:“2_色.gif”},
{faceName:“发呆”,facePath:“3_发呆.gif”},
{faceName:“得意”,facePath:“4_得意.gif”},
{faceName:“流泪”,facePath:“5_流泪.gif”},
{faceName:“害羞”,facePath:“6_害羞.gif”},
{faceName:“闭嘴”,facePath:“7_闭嘴.gif”},
{faceName:“大哭”,facePath:“9_大哭.gif”},
{faceName:“尴尬”,facePath:“10_尴尬.gif”},
{faceName:“发怒”,facePath:“11_发怒.gif”},
{faceName:“调皮”,facePath:“12_调皮.gif”},
{faceName:“龇牙”,facePath:“13_龇牙.gif”},
{faceName:“惊讶”,facePath:“14_惊讶.gif”},
{faceName:“难过”,facePath:“15_难过.gif”},
{faceName:“酷”,facePath:“16_酷.gif”},
{faceName:“冷汗”,facePath:“17_冷汗.gif”},
{faceName:“抓狂”,facePath:“18_抓狂.gif”},
{faceName:“吐”,facePath:“19_吐.gif”},
{faceName:“偷笑”,facePath:“20_偷笑.gif”},
{faceName:“可爱”,facePath:“21_可爱.gif”},
{faceName:“白眼”,facePath:“22_白眼.gif”},
{faceName:“傲慢”,facePath:“23_傲慢.gif”},
{faceName:“饥饿”,facePath:“24_饥饿.gif”},
{faceName:“困”,facePath:“25_困.gif”},
{faceName:“惊恐”,facePath:“26_惊恐.gif”},
{faceName:“流汗”,facePath:“27_流汗.gif”},
{faceName:“憨笑”,facePath:“28_憨笑.gif”},
{faceName:“大兵”,facePath:“29_大兵.gif”},
{faceName:“奋斗”,facePath:“30_奋斗.gif”},
{faceName:“咒骂”,facePath:“31_咒骂.gif”},
{faceName:“疑问”,facePath:“32_疑问.gif”},
{faceName:“嘘”,facePath:“33_嘘.gif”},
{faceName:“晕”,facePath:“34_晕.gif”},
{faceName:“折磨”,facePath:“35_折磨.gif”},
{faceName:“衰”,facePath:“36_衰.gif”},
{faceName:“骷髅”,facePath:“37_骷髅.gif”},
{faceName:“敲打”,facePath:“38_敲打.gif”},
{faceName:“再见”,facePath:“39_再见.gif”},
{faceName:“擦汗”,facePath:“40_擦汗.gif”},

    {faceName:"抠鼻",facePath:"41_抠鼻.gif"},     
    {faceName:"鼓掌",facePath:"42_鼓掌.gif"},     
    {faceName:"糗大了",facePath:"43_糗大了.gif"},     
    {faceName:"坏笑",facePath:"44_坏笑.gif"},     
    {faceName:"左哼哼",facePath:"45_左哼哼.gif"},     
    {faceName:"右哼哼",facePath:"46_右哼哼.gif"},     
    {faceName:"哈欠",facePath:"47_哈欠.gif"},     
    {faceName:"鄙视",facePath:"48_鄙视.gif"},     
    {faceName:"委屈",facePath:"49_委屈.gif"},     
    {faceName:"快哭了",facePath:"50_快哭了.gif"},     
    {faceName:"阴险",facePath:"51_阴险.gif"},     
    {faceName:"亲亲",facePath:"52_亲亲.gif"},     
    {faceName:"吓",facePath:"53_吓.gif"},     
    {faceName:"可怜",facePath:"54_可怜.gif"},     
    {faceName:"菜刀",facePath:"55_菜刀.gif"},     
    {faceName:"西瓜",facePath:"56_西瓜.gif"},     
    {faceName:"啤酒",facePath:"57_啤酒.gif"},     
    {faceName:"篮球",facePath:"58_篮球.gif"},     
    {faceName:"乒乓",facePath:"59_乒乓.gif"},     
    {faceName:"拥抱",facePath:"78_拥抱.gif"},     
    {faceName:"握手",facePath:"81_握手.gif"},     
    {faceName:"得意地笑",facePath:"得意地笑.gif"},     
    {faceName:"听音乐",facePath:"听音乐.gif"}     
]     
,     
Init:function(){     
    var isShowImg=false;     
    $(".Input_text").focusout(function(){     
        $(this).parent().css("border-color", "#cccccc");     
        $(this).parent().css("box-shadow", "none");     
        $(this).parent().css("-moz-box-shadow", "none");     
        $(this).parent().css("-webkit-box-shadow", "none");     
    });     
    $(".Input_text").focus(function(){     
    $(this).parent().css("border-color", "rgba(19,105,172,.75)");     
    $(this).parent().css("box-shadow", "0 0 3px rgba(19,105,192,.5)");     
    $(this).parent().css("-moz-box-shadow", "0 0 3px rgba(241,39,232,.5)");     
    $(this).parent().css("-webkit-box-shadow", "0 0 3px rgba(19,105,252,3)");     
    });     
    $(".imgBtn").click(function(){     
        if(isShowImg==false){     
            isShowImg=true;     
            $(this).parent().prev().animate({marginTop:"-125px"},300);     
            if($(".faceDiv").children().length==0){     
                for(var i=0;i<ImgIputHandler.facePath.length;i  ){     
                    $(".faceDiv").append("<img title=\"" ImgIputHandler.facePath[i].faceName "\" src=\"face/" ImgIputHandler.facePath[i].facePath "\" />");     
                }     
                $(".faceDiv>img").click(function(){     

                    isShowImg=false;     
                    $(this).parent().animate({marginTop:"0px"},300);     
                    ImgIputHandler.insertAtCursor($(".Input_text")[0],"[" $(this).attr("title") "]");     
                });     
            }     
        }else{     
            isShowImg=false;     
            $(this).parent( http://www.qlyl1688.com/products/ycxsys6152.html ).prev().animate({marginTop:"0px"},300);     
        }     
    });     
    $(".postBtn").click(function(){     
        alert($(".Input_text").val());     
    });     
},     
insertAtCursor:function(myField, myValue) {     
if (document.selection) {     
    myField.focus();     
    sel = document.selection.createRange();     
    sel.text = myValue;     
    sel.select();     
} else if (myField.selectionStart || myField.selectionStart == "0") {     
    var startPos = myField.selectionStart;     
    var endPos = myField.selectionEnd;     
    var restoreTop = myField.scrollTop;     
    myField.value = myField.value.substring(0, startPos)   myValue   myField.value.substring(endPos, myField.value.length);     
    if (restoreTop > 0) {     
        myField.scrollTop = restoreTop;     
    }     
    myField.focus();     
    myField.selectionStart = startPos   myValue.length;     
    myField.selectionEnd = startPos   myValue.length;     
} else {     
    myField.value  = myValue;     
    myField.focus();     
}     

}
}
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