h5高仿微信界面|仿微信聊天UI模板

html5 高仿微信聊天示例|仿微信界面|仿微信聊天界面模板
利用html5+css3+jQ+wcPop+wcKeyboard+swiper等技術開發的仿微信聊天項目案例，前前後後開發調試了許久，實現了消息、表情發送，圖片、視頻查看，紅包、打賞、霸屏等微交互場景。

// ...滾動聊天區底部
function wchat_ToBottom(){
    setTimeout(function(){
        $(".wc__chatMsg-panel").animate({scrollTop: $("#J__chatMsgList").height()}, 0);
    }, 10);
}

// ...點擊聊天面板區域
$(document).on("click", ".wc__chatMsg-panel", function(e){
    var _tapMenu = $(".wc__chatTapMenu");
    if(_tapMenu.length && e.target != _tapMenu && !$.contains(_tapMenu[0], e.target)){
        // 關閉長按菜單
        _tapMenu.hide();
        $(".wc__chatMsg-panel").find("li .msg").removeClass("taped");
    }
    $(".wc__choose-panel").hide();
});

// ...表情、選擇區切換
$(".wc__editor-panel").on("click", ".btn", function(){
    var that = $(this);
    $(".wc__choose-panel").show();
    if (that.hasClass("btn-emotion")) {
        $(".wc__choose-panel .wrap-emotion").show();
        $(".wc__choose-panel .wrap-choose").hide();
        // 初始化swiper表情
        !emotionSwiper && $("#J__emotionFootTab ul li.cur").trigger("click");
    } else if (that.hasClass("btn-choose")) {
        $(".wc__choose-panel .wrap-emotion").hide();
        $(".wc__choose-panel .wrap-choose").show();
    }
    wchat_ToBottom();
});

// ...處理編輯器信息
var $editor = $(".J__wcEditor"), _editor = $editor[0];
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;
            })();
        }
    }, 10);
}
// 格式化編輯器包含標籤
_editor.addEventListener("click", function () {
    $(".wc__choose-panel").hide();
}, true);
_editor.addEventListener("focus", function(){
    surrounds();
}, true);
_editor.addEventListener("input", function(){
    surrounds();
}, false);
// 點擊表情
$("#J__swiperEmotion").on("click", ".face-list span img", function(){
    var that = $(this), range;

    if(that.hasClass("face")){ //小表情
        var img = that[0].cloneNode(true);
        _editor.focus();
        _editor.blur(); //輸入表情時禁止輸入法

        setTimeout(function(){
            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);
            }
        }, 10);
    }else if(that.hasClass("del")){ //刪除
        _editor.focus();
        _editor.blur(); //輸入表情時禁止輸入法

        setTimeout(function(){
            range = window.getSelection().getRangeAt(0);
            range.collapse(false);

            var sel = window.getSelection();
            sel.removeAllRanges();
            sel.addRange(range);
            document.execCommand("delete");
        }, 10);
    } else if(that.hasClass("lg-face")){ //大表情
        var _img = that.parent().html();
        var _tpl = [
            '<li class="me">\
                <div class="content">\
                    <p class="author">Nice奶思</p>\
                    <div class="msg lgface">'+ _img + '</div>\
                </div>\
                <a class="avatar" href="微聊(好友主頁).html"><img src="img/uimg/u__chat-img14.jpg" /></a>\
            </li>'
        ].join("");
        $chatMsgList.append(_tpl);

        wchat_ToBottom();
    }
});