PHP前端开发

HTML5仿微信聊天界面和朋友圈代码

百变鹏仔 2个月前 (10-18) #H5教程
文章标签 朋友圈

这几天使用h5开发了一个仿微信聊天前端界面,尤其微信底部编辑器那块处理的很好,使用html5来开发,虽说功能效果并没有微信那么全,但是也相当不错了,可以发送消息、表情,发送的消息自动回滚定位到底部,另外可以对消息、图片、视频有不同的右键处理提示,还有打赏、占屏等操作。

html代码片段:


<!--BEGIN 打赏--><p class="js_dialog" id="J_Dialog_dashang" style="display: none;">    <!--<p class="weui-mask"></p>-->    <p class="weui-dialog">        <i class="weui-xclose"></i>        <p class="weui-dialog__bd">            <!-- //打赏模板区-->            <p class="ws__popup-template">                <h2 class="hdTit">为喜欢的节目打赏</h2>                <p class="item flexbox">                    <input class="ipt-txt align-l flex1" type="text" name="dschooseProgram" placeholder="选择打赏节目" readonly />                </p>                <p class="item item-area">                    <textarea class="describe" name="content" placeholder="输入打赏语,30字以内(选填)"></textarea>                </p>                <p class="item item-gift" id="J__chooseGift">                    <p class="gift flexbox selected" data-gift="001">                        <label class="txt"><span>豪车</span><em class="time">霸屏50秒</em></label>                        <span class="amount">¥<em>12</em> <i class="chkbox"></i></span>                    </p>                    <p class="gift flexbox" data-gift="002">                        <label class="txt"><span>动人玫瑰</span><em class="time">霸屏20秒</em></label>                        <span class="amount">¥<em>8</em> <i class="chkbox"></i></span>                    </p>                </p>            </p>        </p>        <p class="weui-dialog__ft">            <a href="javascript:;" class="weui-dialog__btn weui-dialog__btn_primary" style="background: #ff4400; border-radius: 4px; color: #fff;">支付 <span>¥<em class="moneyNum">12</em></span> 打赏</a>        </p>    </p></p><!--END 打赏-->

Javascript代码片段:


/* ——聊天编辑器区域 */var $editor = $(".J__editorText"), editor = $editor[0];var $face = $(".emotion-area dd img");$face.on("click", function(e){    if($(this).hasClass("face")){ //图像        var img = $(this)[0].cloneNode(true);        editor.focus();        setTimeout(function(){            var range, node;            if(document.selection && document.selection.createRange){                document.selection.createRange().pasteHTML(img);            }else if(window.getSelection && window.getSelection().getRangeAt){                range = window.getSelection().getRangeAt(0);                range.insertNode(img);                range.collapse(false);                var sel = window.getSelection();                sel.removeAllRanges();                sel.addRange(range);            }        }, 16);    }else if($(this).hasClass("del")){ //删除        editor.focus();        range = window.getSelection().getRangeAt(0);        range.collapse(false);        var sel = window.getSelection();        sel.removeAllRanges();        sel.addRange(range);        document.execCommand("delete");    }});//...格式化编辑器包含标签editor.addEventListener("focus", function(evt) {    surrounds()}, true);editor.addEventListener("input", function(evt) {    surrounds();}, false);function surrounds() {    setTimeout(function () { //chrome        var sel = window.getSelection();        var anchorNode = sel.anchorNode;        if (!anchorNode) return;        if (sel.anchorNode === editor ||            (sel.anchorNode.nodeType === 3 && sel.anchorNode.parentNode === editor)) {            var range = sel.getRangeAt(0);            var p = document.createElement("p");            range.surroundContents(p);            range.selectNodeContents(p);            range.insertNode(document.createElement("br")); //chrome            sel.collapse(p, 0);            (function clearBr() {                var elems = [].slice.call(editor.children);                for (var i = 0, len = elems.length; i < len; i++) {                    var el = elems[i];                    if (el.tagName.toLowerCase() == "br") {                        editor.removeChild(el);                    }                }                elems.length = 0;            })();        }    }, 0);}//...滚动到聊天内容底部function scrollToBottom(){    $(&#39;.ws__chatMsg-panel&#39;).animate({scrollTop: $("#J__chatMsgList").height()}, 300);}

运行效果: