QQ提供的聊天接口

第一种需要添加好友的一个方式

<a href="tencent://message/?uin=123456789&Site=&Menu=yes">点这个链接会打开一个和QQ是123456789的用户聊天的窗口</a>

第二种不需要添加好友但是需要开通qq客服服务

 <link href="css/kefu.css-v=1.css" rel="stylesheet" type="text/css" />
        <div id="kefu1">
            <div class="cs_close">
                <a href="javascript:;" onClick="kefu1.style.display = 'none'">
                    <span>关闭</span>
                </a>
            </div>
            <div class="cs_tel"></div>
            <div class="cs_tel_ct">
                <span class="cs_tel_num">4007889299</span> 工作日:上午8:30-12:00<br />
                工作日:下午13:30-17:30<br />
            </div>
            <div class="cs_spr"></div>
            <div class="cs_online"></div>

            <div class="cs_online_ct">
                <div class="cs_online_qq">
                    <a target="_blank"
                       href="http://wpa.qq.com/msgrd?v=3&uin=1648104226&site=qq&menu=yes">
                        <img border="0" src="http://wpa.qq.com/pa?p=2:1648104226:41"
                             alt="QQ客服1" title="QQ客服1">
                    </a>
                </div>
                <div class="cs_online_qq">
                    <a target="_blank"
                       href="http://wpa.qq.com/msgrd?v=3&uin=727091913&site=qq&menu=yes">
                        <img border="0" src="http://wpa.qq.com/pa?p=2:727091913:41"
                             alt="QQ客服2" title="QQ客服2">
                    </a>
                </div>
                <div class="cs_online_qq">
                    <a target="_blank"
                       href="http://wpa.qq.com/msgrd?v=3&uin=29633131&site=qq&menu=yes">
                        <img border="0" src="http://wpa.qq.com/pa?p=2:29633131:41"
                             alt="QQ客服3" title="QQ客服3">
                    </a>
                </div>


            </div>
            <div class="cs_qcode">
                <a href="javascript:void(0)" target="_blank">
                    <img src="images/code.jpg" width="120" height="120" title="用手机微信扫一扫" />
                </a>
            </div>
            <span class="cs_tel_ct"> 扫描二维码访问手机端</span>

        </div>

QQ客服服务开通网址:http://shang.qq.com/v3/index.html.(具体请百度，具体不赘述)

参考自:https://blog.csdn.net/jdfkldjlkjdl/article/details/41480679