HTML5仿微信聊天界面、微信朋友圈實例代碼

2024-09-05 07:22:20

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這幾天使用H5開發了一個仿微信聊天前端界面，尤其微信底部編輯器那塊處理的很好，使用HTML5來開發，雖說功能效果并沒有微信那么全，但是也相當不錯了，可以發送消息、表情，發送的消息自動回滾定位到底部，另外可以對消息、圖片、視頻有不同的右鍵處理提示，還有打賞、占屏等操作。

html代碼片段：

<!--BEGIN 打賞--><div class="js_dialog" id="J_Dialog_dashang" style="display: none;">    <!--<div class="weui-mask"></div>-->    <div class="weui-dialog">        <i class="weui-xclose"></i>        <div class="weui-dialog__bd">            <!-- //打賞模板區-->            <div class="ws__popup-template">                <h2 class="hdTit">為喜歡的節目打賞</h2>                <div class="item flexbox">                    <input class="ipt-txt align-l flex1" type="text" name="dschooseProgram" placeholder="選擇打賞節目" readonly />                </div>                <div class="item item-area">                    <textarea class="describe" name="content" placeholder="輸入打賞語，30字以內（選填）"></textarea>                </div>                <div class="item item-gift" id="J__chooseGift">                    <div class="gift flexbox selected" data-gift="001">                        <label class="txt"><span>豪車</span><em class="time">霸屏50秒</em></label>                        <span class="amount">￥<em>12</em> <i class="chkbox"></i></span>                    </div>                    <div class="gift flexbox" data-gift="002">                        <label class="txt"><span>動人玫瑰</span><em class="time">霸屏20秒</em></label>                        <span class="amount">￥<em>8</em> <i class="chkbox"></i></span>                    </div>                </div>            </div>        </div>        <div 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> 打賞</a>        </div>    </div></div><!--END 打賞-->

Javascript代碼片段：

/* ——聊天編輯器區域 */var $editor = $(".J__editorText"), editor = $editor[0];var $face = $(".emotion-area dd img");$face.on("click", function(e){    if($(this).hasClass("face")){ //圖像        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")){ //刪除        editor.focus();        range = window.getSelection().getRangeAt(0);        range.collapse(false);        var sel = window.getSelection();        sel.removeAllRanges();        sel.addRange(range);        document.execCommand("delete");    }});//...格式化編輯器包含標簽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);}//...滾動到聊天內容底部function scrollToBottom(){    $('.ws__chatMsg-panel').animate({scrollTop: $("#J__chatMsgList").height()}, 300);}

運行效果：