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Detailed analysis of HTML5 imitation mobile phone WeChat chat interface

黄舟Original: 2017-03-30 09:36:193507browse

This article mainly introduces in detail the key code of HTML5 imitation mobile WeChat chat interface, which has certain reference value. Interested friends can refer to it

What you bring is an HTML5 imitation mobile phone WeChat chat interface. The screenshot effect is as follows:

The source code is as follows:

XML/HTML Code复制内容到剪贴板
<!DOCTYPE html>  
<html>  
<head>  
    <meta charset="UTF-8">  
    <title>HTML5模拟微信聊天界面</title>  
    <style>  
  /**重置标签默认样式*/   
        * {   
            margin: 0;   
            padding: 0;   
            list-style: none;   
            font-family: &#39;微软雅黑&#39;   
        }   
        #container {   
            width: 450px;   
            height: 780px;   
            background: #eee;   
            margin: 80px auto 0;   
            position: relative;   
            box-shadow: 20px 20px 55px #777;   
        }   
        .header {   
            background: #000;   
            height: 40px;   
            color: #fff;   
            line-height: 34px;   
            font-size: 20px;   
            padding: 0 10px;   
        }   
        .footer {   
            width: 430px;   
            height: 50px;   
            background: #666;   
            position: absolute;   
            bottom: 0;   
            padding: 10px;   
        }   
        .footer input {   
            width: 275px;   
            height: 45px;   
            outline: none;   
            font-size: 20px;   
            text-indent: 10px;   
            position: absolute;   
            border-radius: 6px;   
            right: 80px;   
        }   
        .footer span {   
            display: inline-block;   
            width: 62px;   
            height: 48px;   
            background: #ccc;   
            font-weight: 900;   
            line-height: 45px;   
            cursor: pointer;   
            text-align: center;   
            position: absolute;   
            right: 10px;   
            border-radius: 6px;   
        }   
        .footer span:hover {   
            color: #fff;   
            background: #999;   
        }   
        #user_face_icon {   
            display: inline-block;   
            background: red;   
            width: 60px;   
            height: 60px;   
            border-radius: 30px;   
            position: absolute;   
            bottom: 6px;   
            left: 14px;   
            cursor: pointer;   
            overflow: hidden;   
        }   
        img {   
            width: 60px;   
            height: 60px;   
        }   
        .content {   
            font-size: 20px;   
            width: 435px;   
            height: 662px;   
            overflow: auto;   
            padding: 5px;   
        }   
        .content li {   
            margin-top: 10px;   
            padding-left: 10px;   
            width: 412px;   
            display: block;   
            clear: both;   
            overflow: hidden;   
        }   
        .content li img {   
            float: left;   
        }   
        .content li span{   
            background: #7cfc00;   
            padding: 10px;   
            border-radius: 10px;   
            float: left;   
            margin: 6px 10px 0 10px;   
            max-width: 310px;   
            border: 1px solid #ccc;   
            box-shadow: 0 0 3px #ccc;   
        }   
        .content li img.imgleft {    
            float: left;    
        }   
        .content li img.imgright {    
            float: right;    
        }   
        .content li span.spanleft {    
            float: left;   
            background: #fff;   
        }   
        .content li span.spanright {    
            float: right;   
            background: #7cfc00;   
        }   
    </style>  
    <script>  
        window.onload = function(){   
            var arrIcon = [&#39;http://www.xttblog.com/icons/favicon.ico&#39;,&#39;http://www.xttblog.com/wp-content/uploads/2016/03/123.png&#39;];   
            var num = 0;     //控制头像改变   
            var iNow = -1;    //用来累加改变左右浮动   
            var icon = document.getElementById(&#39;user_face_icon&#39;).getElementsByTagName(&#39;img&#39;);   
            var btn = document.getElementById(&#39;btn&#39;);   
            var text = document.getElementById(&#39;text&#39;);   
            var content = document.getElementsByTagName(&#39;ul&#39;)[0];   
            var img = content.getElementsByTagName(&#39;img&#39;);   
            var span = content.getElementsByTagName(&#39;span&#39;);   
  
            icon[0].onclick = function(){   
                if(num==0){   
                    this.src = arrIcon[1];   
                    num = 1;   
                }else if(num==1){   
                    this.src = arrIcon[0];   
                    num = 0;   
                }                   
            }   
            btn.onclick = function(){   
                if(text.value ==&#39;&#39;){   
                    alert(&#39;不能发送空消息&#39;);   
                }else {   
                    content.innerHTML += &#39;<li><img src="&#39;+arrIcon[num]+&#39;"><span>&#39;+text.value+&#39;</span></li>&#39;;   
                    iNow++;   
                    if(num==0){   
                        img[iNow].className += &#39;imgright&#39;;   
                        span[iNow].className += &#39;spanright&#39;;   
                    }else {   
                        img[iNow].className += &#39;imgleft&#39;;   
                        span[iNow].className += &#39;spanleft&#39;;   
                    }   
                    text.value = &#39;&#39;;   
     // 内容过多时,将滚动条放置到最底端   
     contentcontent.scrollTop=content.scrollHeight;     
                }   
            }   
        }   
    </script>  
</head>  
<body>  
    <p id="container">  
        <p class="header">  
            <span style="float: left;">业余草:模拟微信聊天界面</span>  
            <span style="float: right;">14:21</span>  
        </p>  
        <ul class="content">  
   <!-- 欢迎加入qq群：454796847、135430763 -->  
  </ul>  
        <p class="footer">  
            <p id="user_face_icon">  
                <img src="http://www.xttblog.com/icons/favicon.ico" alt="">  
            </p>  
            <input id="text" type="text" placeholder="说点什么吧...">  
            <span id="btn">发送</span>  
        </p>  
    </p>  
</body>  
</html>

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