HTML5仿微信聊天界面和朋友圈代码

<!--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-->

/* ——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(){
 $('.ws__chatMsg-panel').animate({scrollTop: $("#J__chatMsgList").height()}, 300);
}