jQuery实现简易聊天框
可爱的强强 人气:0本文实例为大家分享了jQuery实现简易聊天框的具体代码,供大家参考,具体内容如下
效果:
CSS代码:
body{ margin: 0; } .kuan{ height:550px; width: 650px; background-color: #ccc; margin: 80px auto; } .header{ width: 100%; height: 35px; background-color: #00f; } .chatBody{ width: 100%; height: 70%; overflow:auto; } .footer{ width: 100%; height: 20%; } h2{ margin-bottom: 0; text-align: center; } .send{ background-color: green; width: 50px; } .btn{ text-align: right; } .btn span{ display: inline-block; padding: 0 10px; height: 25px; overflow: hidden; color: #fff; border-radius: 5px; background-color: #069dd5; font-size: 12px; margin-right: 3px; cursor:pointer; } .chatText{ border: none; width: 100%; height: 50px; } #input{ margin-left: 200px; width: 100px; } .a{ background-color: green; border-radius: 5px; width: 200px; height: 100%; }
主代码:
<div class = "kuan"> <div class = "header"> <h2>聊天室</h2> </div> <div class = "chatBody"></div> <div class = "footer"> <textarea class="chatText"></textarea> <div class="btn"><span>关闭(C)</span><span id="send">发送(S)</span></div> <input type = "text" id = "input"></input> <input type = "submit" value = "确定" id = "sure"></input> <select id = "demo"> <option value = ""></option> </select> </div> </div>
jQuery代码:
<script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery/jquery-1.4.min.js"></script> <script type="text/javascript"> $("#demo").change(function(){ $("#input").val($(this).val());//将下拉框里的内容放到文本框里 }); $(document).ready(function(){ $("#send").click(function(){ var $nei = $("textarea").val(); var $n = $("#input").val(); if($nei.length==""){ alert("你没写东西啊"); }else{ var $currentstr=$(".chatBody").append("<div>" + $n + ":" + "<p>" + $nei + "</p></div>"); $(".chatBody p").addClass("a");//消息框颜色 $("textarea").val("");//发送框消息消失 } }); }); </script>
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