前言
本示例使用的是eclipse，其他编辑器也一样。将资源放到相应目录即可。
使用的都是html/css/js等，所以后端使用什么语言都没有关系
1.layui的富文本编辑器发送表情
在layui官网（ http://www.layui.com）下载layui的包
解压，将layui的文件放到webcontent下
使用layui的富文本编辑器发送表情
点击发送消息
查看源码，表情的本质，只是插入图片而已。
代码示例
<!DOCTYPE html><html><head> ?<meta charset="utf-8"> ?<title>layui</title> ?<meta name="renderer" content="webkit"> ?<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> ?<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> ???<link rel="stylesheet" href="layui/css/layui.css" ?media="all"> ?<!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 --> ?<script src="layui/layui.js" charset="utf-8"></script> ???<!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 --></head><body> ???????????<div style="margin-bottom: 20px; width: 500px;"> ?<textarea class="layui-textarea" id="LAY_demo2" style="display: none"></textarea></div> ??????????????<div class="site-demo-button" style="margin-top: 20px;"> ?<button class="layui-btn site-demo-layedit" data-type="content">发送消息</button></div> <script>layui.use(‘layedit‘, function(){ ?var layedit = layui.layedit ?,$ = layui.jquery; ?????//自定义工具栏 ?var index = layedit.build(‘LAY_demo2‘, { ???tool: [‘face‘, ‘image‘] ???,height: 100 ?}) ?//编辑器外部操作 ?var active = { ???content: function(){ ?????alert(layedit.getContent(index)); //获取编辑器内容 ???} ?}; ???$(‘.site-demo-layedit‘).on(‘click‘, function(){ ???var type = $(this).data(‘type‘); ???active[type] ? active[type].call(this) : ‘‘;//根据data-type="content" 触发对应事件 ?}); ???});</script></body></html>layui富文本编辑器官方示例：http://www.layui.com/demo/layedit.html
layui富文本编辑器的API：http://www.layui.com/doc/modules/layedit.html
2.使用jquery插件qqFace
插件下载地址：http://www.jq22.com/jquery-info365
点击表情
点击发送
示例代码
<!doctype html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="author" content="jQuery插件库(www.jq22.com)"><meta name="weburl" content="http://www.jq22.com/"><title>基于jQuery开发的全能表单验证插件</title><link href="qqFace/css/bootstrap.min.css" rel="stylesheet" media="screen"><link rel="stylesheet" href="qqFace/css/reset.css"><style>.comment { width: 680px; margin: 20px auto; position: relative; background: #fff; padding: 20px 50px 50px; border: 1px solid #DDD; border-radius: 5px; }.comment h3 { height: 28px; line-height: 28px }.com_form { width: 100%; position: relative }.input { width: 99%; height: 60px; border: 1px solid #ccc }.com_form p { height: 28px; line-height: 28px; position: relative; margin-top: 10px; }span.emotion { width: 42px; height: 20px; padding-left: 20px; cursor: pointer }span.emotion:hover { background-position: 2px -28px }.qqFace { margin-top: 4px; background: #fff; padding: 2px; border: 1px #dfe6f6 solid; }.qqFace table td { padding: 0px; }.qqFace table td img { cursor: pointer; border: 1px #fff solid; }.qqFace table td img:hover { border: 1px #0066cc solid; }#show { width: 770px; margin: 20px auto; background: #fff; padding: 5px; border: 1px solid #DDD; vertical-align: top; }.sub_btn { position: absolute; right: 0px; top: 0; display: inline-block; zoom: 1; /* zoom and *display = ie7 hack for display:inline-block */ ?*display: inline;vertical-align: baseline; margin: 0 2px; outline: none; cursor: pointer; text-align: center; font: 14px/100% Arial, Helvetica, sans-serif; padding: .5em 2em .55em; text-shadow: 0 1px 1px rgba(0,0,0,.6); -webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px; -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2); -moz-box-shadow: 0 1px 2px rgba(0,0,0,.2); box-shadow: 0 1px 2px rgba(0,0,0,.2); color: #e8f0de; border: solid 1px #538312; background: #64991e; background: -webkit-gradient(linear, left top, left bottom, from(#7db72f), to(#4e7d0e)); background: -moz-linear-gradient(top, #7db72f, #4e7d0e); ?filter: ?progid:DXImageTransform.Microsoft.gradient(startColorstr=‘#7db72f‘, endColorstr=‘#4e7d0e‘);}.sub_btn:hover { background: #538018; background: -webkit-gradient(linear, left top, left bottom, from(#6b9d28), to(#436b0c)); background: -moz-linear-gradient(top, #6b9d28, #436b0c); ?filter: ?progid:DXImageTransform.Microsoft.gradient(startColorstr=‘#6b9d28‘, endColorstr=‘#436b0c‘);}</style></head><body><div id="show"></div><div class="comment"> ?<div class="com_form"> ???<textarea class="input" id="saytext" name="saytext"></textarea> ???<p> ?????<input type="button" class="sub_btn" value="提交"> ?????<span class="emotion">表情</span></p> ?</div></div></body><script ?src="qqFace/js/jquery.min.js"></script><script type="text/javascript" src="qqFace/js/jquery.qqFace.js"></script><script type="text/javascript">$(function(){ ???$(‘.emotion‘).qqFace({ ???????id : ‘facebox‘, ????????assign:‘saytext‘, ????????path:‘qqFace/arclist/‘ ???//表情存放的路径 ???}); ???$(".sub_btn").click(function(){ ???????var str = $("#saytext").val(); ???????$("#show").html(replace_em(str)); ???});});//查看结果function replace_em(str){ ???str = str.replace(/\</g,‘<‘); ???str = str.replace(/\>/g,‘>‘); ???str = str.replace(/\n/g,‘<br/>‘); ???str = str.replace(/\[em_([0-9]*)\]/g,‘<img src="qqFace/arclist/$1.gif" border="0" />‘); //填写gif的路径 ???return str;}</script></html>3.示例代码下载地址
https://github.com/ggb2312/webchat-face
网页聊天室发送表情包
原文地址：https://www.cnblogs.com/gj-blog/p/9413293.html