您好,登錄后才能下訂單哦!
彈出層和彈窗相似但是并不相同;彈窗和彈出層都是由用戶觸發(fā)的顯示提示信息的彈出面板;但是彈窗只是顯示一些信息,沒有太多的復(fù)雜的交互事件;而彈層類似一個(gè)整個(gè)頁面,可以實(shí)現(xiàn)頁面的所有功能;
現(xiàn)在前端彈層使用的很頻繁,如支付寶支付彈層等…所以掌握彈層是一個(gè)很重要的技能。如果只是簡(jiǎn)單的隱藏和切換,當(dāng)然就不必說,我要說的html+animate+es6實(shí)現(xiàn)彈層;
html彈層結(jié)構(gòu):
<main class="main"> <header class="head flex-center gray-theme">This is Header</header> <section class="body flex-center"> <ul class="btn-list flex-center btn-group"> <li class="btn-box"><span class="btn inline-flex-center" data-position="top">上彈層</span></li> <li class="btn-box"><span class="btn inline-flex-center" data-position="right">右彈層</span></li> <li class="btn-box"><span class="btn inline-flex-center" data-position="bottom">下彈層</span></li> <li class="btn-box"><span class="btn inline-flex-center" data-position="left">左彈層</span></li> </ul> </section> <footer class="foot flex-center gray-theme">This is Footer</footer> <!-- popup --> <section class="popup flex-center hide hidden"> <section class="popup-bg"></section> <section class="popup-wrapper"> <header class="title head flex-center"></header> <section class="container body flex-center"></section> <footer class="btn-wrapper foot flex-center"> <ul class="btn-list flex-center"> <li class="btn-box"><span class="btn cancel inline-flex-center">取消</span></li> <li class="btn-box"><span class="btn confirm inline-flex-center">確認(rèn)</span></li> </ul> </footer> </section> </section> </main>
css代碼:
@mixin slide-top{ 0%{ -webkit-transform: translate3d(0, -400%, 0); -moz-transform: translate3d(0, -400%, 0); -ms-transform: translate3d(0, -400%, 0); -o-transform: translate3d(0, -400%, 0); transform: translate3d(0, -400%, 0); } 100%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } } @keyframes slideTop{ @include slide-top; } @-webkit-keyframes slideTop{ @include slide-top; } @mixin slide-top-hide{ 0%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 100%{ -webkit-transform: translate3d(0, -400%, 0); -moz-transform: translate3d(0, -400%, 0); -ms-transform: translate3d(0, -400%, 0); -o-transform: translate3d(0, -400%, 0); transform: translate3d(0, -400%, 0); } } @keyframes slideTopHide{ @include slide-top-hide; } @-webkit-keyframes slideTopHide{ @include slide-top-hide; } @mixin slide-right{ 0%{ -webkit-transform: translate3d(400%, 0, 0); -moz-transform: translate3d(400%, 0, 0); -ms-transform: translate3d(400%, 0, 0); -o-transform: translate3d(400%, 0, 0); transform: translate3d(400%, 0, 0); } 100%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } } @keyframes slideRight{ @include slide-right; } @-webkit-keyframes slideRight{ @include slide-right; } @mixin slide-right-hide{ 0%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 100%{ -webkit-transform: translate3d(400%, 0, 0); -moz-transform: translate3d(400%, 0, 0); -ms-transform: translate3d(400%, 0, 0); -o-transform: translate3d(400%, 0, 0); transform: translate3d(400%, 0, 0); } } @keyframes slideRightHide{ @include slide-right-hide; } @-webkit-keyframes slideRightHide{ @include slide-right-hide; } @mixin slide-bottom{ 0%{ -webkit-transform: translate3d(0, 400%, 0); -moz-transform: translate3d(0, 400%, 0); -ms-transform: translate3d(0, 400%, 0); -o-transform: translate3d(0, 400%, 0); transform: translate3d(0, 400%, 0); } 100%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } } @keyframes slideBottom{ @include slide-bottom; } @-webkit-keyframes slideBottom{ @include slide-bottom; } @mixin slide-bottom-hide{ 0%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 100%{ -webkit-transform: translate3d(0, 400%, 0); -moz-transform: translate3d(0, 400%, 0); -ms-transform: translate3d(0, 400%, 0); -o-transform: translate3d(0, 400%, 0); transform: translate3d(0, 400%, 0); } } @keyframes slideBottomHide{ @include slide-bottom-hide; } @-webkit-keyframes slideBottomHide{ @include slide-bottom-hide; } @mixin slide-left{ 0%{ -webkit-transform: translate3d(-400%, 0, 0); -moz-transform: translate3d(-400%, 0, 0); -ms-transform: translate3d(-400%, 0, 0); -o-transform: translate3d(-400%, 0, 0); transform: translate3d(-400%, 0, 0); } 100%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } } @keyframes slideLeft{ @include slide-left; } @-webkit-keyframes slideLeft{ @include slide-left; } @mixin slide-left-hide{ 0%{ -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 100%{ -webkit-transform: translate3d(-400%, 0, 0); -moz-transform: translate3d(-400%, 0, 0); -ms-transform: translate3d(-400%, 0, 0); -o-transform: translate3d(-400%, 0, 0); transform: translate3d(-400%, 0, 0); } } @keyframes slideLeftHide{ @include slide-left-hide; } @-webkit-keyframes slideLeftHide{ @include slide-left-hide; } @mixin popup-hide{ 0%{ z-index: 99999; opacity: 1; } 100%{ z-index: -1; opacity: 0; } } @keyframes popupHide{ @include popup-hide; } @-webkit-keyframes popupHide{ @include popup-hide; } .popup{ position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; opacity: 0; .popup-bg{ position: absolute; top: 0; left: 0; background: rgba(0,0,0, 0.5); width: 100%; height: 100%; z-index: 1; } .popup-wrapper{ position: relative; width: 70%; height: 70%; margin: auto; background: #fff; border-radius: 5%; z-index: 100; } &.hidden{ display: none; } &.show{ z-index: 99999; opacity: 1; &.top{ .popup-wrapper{ -webkit-animation: slideTop 0.6s linear forwards; -moz-animation: slideTop 0.6s linear forwards; -ms-animation: slideTop 0.6s linear forwards; -o-animation: slideTop 0.6s linear forwards; animation: slideTop 0.6s linear forwards; } } &.right{ .popup-wrapper{ -webkit-animation: slideRight 0.6s linear forwards; -moz-animation: slideRight 0.6s linear forwards; -ms-animation: slideRight 0.6s linear forwards; -o-animation: slideRight 0.6s linear forwards; animation: slideRight 0.6s linear forwards; } } &.bottom{ .popup-wrapper{ -webkit-animation: slideBottom 0.6s linear forwards; -moz-animation: slideBottom 0.6s linear forwards; -ms-animation: slideBottom 0.6s linear forwards; -o-animation: slideBottom 0.6s linear forwards; animation: slideBottom 0.6s linear forwards; } } &.left{ .popup-wrapper{ -webkit-animation: slideLeft 0.6s linear forwards; -moz-animation: slideLeft 0.6s linear forwards; -ms-animation: slideLeft 0.6s linear forwards; -o-animation: slideLeft 0.6s linear forwards; animation: slideLeft 0.6s linear forwards; } } } &.hide{ -webkit-animation: popupHide 0.7s linear forwards; -moz-animation: popupHide 0.7s linear forwards; -ms-animation: popupHide 0.7s linear forwards; -o-animation: popupHide 0.7s linear forwards; animation: popupHide 0.7s linear forwards; &.top{ .popup-wrapper{ -webkit-animation: slideTopHide 0.6s linear forwards; -moz-animation: slideTopHide 0.6s linear forwards; -ms-animation: slideTopHide 0.6s linear forwards; -o-animation: slideTopHide 0.6s linear forwards; animation: slideTopHide 0.6s linear forwards; } } &.right{ .popup-wrapper{ -webkit-animation: slideRightHide 0.6s linear forwards; -moz-animation: slideRightHide 0.6s linear forwards; -ms-animation: slideRightHide 0.6s linear forwards; -o-animation: slideRightHide 0.6s linear forwards; animation: slideRightHide 0.6s linear forwards; } } &.bottom{ .popup-wrapper{ -webkit-animation: slideBottomHide 0.6s linear forwards; -moz-animation: slideBottomHide 0.6s linear forwards; -ms-animation: slideBottomHide 0.6s linear forwards; -o-animation: slideBottomHide 0.6s linear forwards; animation: slideBottomHide 0.6s linear forwards; } } &.left{ .popup-wrapper{ -webkit-animation: slideLeftHide 0.6s linear forwards; -moz-animation: slideLeftHide 0.6s linear forwards; -ms-animation: slideLeftHide 0.6s linear forwards; -o-animation: slideLeftHide 0.6s linear forwards; animation: slideLeftHide 0.6s linear forwards; } } } } html, body, .main{ width: 100%; height: 100%; overflow: hidden; } .head, .body, .foot{ width: 100%; } .head, .foot{ height: 15%; } .body{ height: 70%; } .gray-theme{ background: #333; color: #fff; } .btn-list{ width: 40%; min-width: 270px; height: 38px; .btn-box{ width: 22%; height: 100%; padding-right: 4%; &:last-child{ padding-right: 0; } } } .btn{ line-height: 1em; width: 100%; height: 100%; border-radius: 10%; font-size: 16px; background: green; color: #ff0; text-align: center; vertical-align: middle; cursor: pointer; }
js代碼:
class PopupComponent { constructor() { this.btnGroupEl = document.getElementsByClassName("btn-group")[0]; this.popupEl = document.getElementsByClassName("popup")[0]; this.popupBGEl = this.popupEl.querySelector(".popup-bg"); this.popupTitleEl = this.popupEl.querySelector(".popup-wrapper .title"); this.popupBodyEl = this.popupEl.querySelector(".popup-wrapper .body"); this.cancelBtnEl = this.popupEl.querySelector(".popup-wrapper .btn.cancel"); this.confirmBtnEl = this.popupEl.querySelector(".popup-wrapper .btn.confirm"); this.popupElClasslist = this.popupEl.classList; this.LEGVALS = ["top", "right", "bottom", "left"]; this.detaultPosition = ""; this.position = ""; this.SHOWCLASSNAME = "show"; this.HIDECLASSNAME = "hide"; this.HIDDENCLASSNAME = "hidden"; } /** * 給彈窗的標(biāo)題和主體添加內(nèi)容 * @param Object contentObj 傳遞的對(duì)象 */ setContentForPopup(contentObj = {'title':'title', 'body': 'body'}) { try{ if (!TB.isObject(contentObj)) { throw new Error("The param of setContentForPopup function error!"); } let value; for (let prop in contentObj) { if (!contentObj.hasOwnProperty(prop)) { continue; } if (prop === 'title') { value = contentObj[prop]; this.popupTitleEl.innerText = value; } if (prop === 'body') { value = contentObj[prop]; this.popupBodyEl.innerText = value; } } } catch (e) { console.log("Popup element is not exist!"); console.error(e); } } /** * 刪除彈窗的類名 * @return void */ deletePopupPreviousClassName() { if (this.HIDDENCLASSNAME && KB.checkType.isString(this.HIDDENCLASSNAME)) { this.popupElClasslist.remove(this.HIDDENCLASSNAME); } if (this.detaultPosition && KB.checkType.isString(this.detaultPosition)) { this.popupElClasslist.remove(this.detaultPosition); } this.detaultPosition = this.position; } /** * 彈窗隱藏 * @return void */ popupHide() { if (this.popupElClasslist.contains(this.SHOWCLASSNAME)) { this.popupElClasslist.remove(this.SHOWCLASSNAME); this.popupElClasslist.add(this.HIDECLASSNAME); } } /** * 彈窗顯示 * @return void */ popupShow() { this.deletePopupPreviousClassName(); if (this.popupElClasslist.contains(this.HIDECLASSNAME)) { this.popupElClasslist.remove(this.HIDECLASSNAME); this.popupElClasslist.add(this.SHOWCLASSNAME); this.popupElClasslist.add(this.position); } this.setContentForPopup({ 'title': this.position + ' title', 'body': this.position + ' body', }); } /** * 按鈕容器的點(diǎn)擊事件 * @param Object e 點(diǎn)擊的事件event * @return void */ btnGroupClickEvent(e) { let btnEl = e.target || e.srcElement; if (!TB.isElement(btnEl)) { throw new Error("Get btn element error!"); } this.position = btnEl.getAttribute("data-position"); if (!TB.isString(this.position) || (this.LEGVALS.indexOf(this.position) < 0)) { throw new Error("Can not get position value from btn element!"); } this.popupShow(); } /** * 給DOM元素添加點(diǎn)擊事件 * @param Object elem 添加點(diǎn)擊事件的dom元素 * @param Function fn 觸發(fā)事件調(diào)用的回調(diào)函數(shù) */ addClickEventFormElem(elem, fn) { TB.addHandler.call(this, elem, 'click', fn, false); } /** * 初始化函數(shù) * @return void */ init() { this.addClickEventFormElem(this.btnGroupEl, this.btnGroupClickEvent); this.addClickEventFormElem(this.cancelBtnEl, this.popupHide); this.addClickEventFormElem(this.confirmBtnEl, this.popupHide); } } let popupComponent = new PopupComponent(); popupComponent.init();
TB.addHandler:
/* * 給DOM元素添加事件 * @param void * @return callback function 回調(diào)函數(shù) * */ function addHandler(elem, type, callback, useCapture) { var checkType = checkArgumentType(), _document = document, _callback = checkType.isFunction(callback)? callback:function(){}, _self = this; if (!checkType.isElement(elem) || !checkType.isString(type)) { return; } if (_document.addEventListener) { addHandler = function(elem, type, callback, useCapture) { elem.addEventListener(type, function(e) { _callback.call(_self, e); }, useCapture || false); } } else if (_document.attachEvent) { addHandler = function(elem, type, callback, useCapture) { elem.attachEvent("on" + type, function(e){ _callback.apply(_self, [e]); }); } } else { addHandler = function(elem, type, callback, useCapture) { elem["on" + type] = function(e) { _callback.call(_self, e); }; } } addHandler(elem, type, callback, useCapture); }
首先說一下彈窗的DOM結(jié)構(gòu):
在外層一般是絕對(duì)定位,并使用flex布局使得內(nèi)容居中;它的直接子元素一般有兩個(gè),黑色背景層和內(nèi)容容器;如圖所示:
樣式的動(dòng)畫相信前端的同學(xué)一般都知道怎么做;但是有一點(diǎn)要注意,不要試圖使用display來實(shí)現(xiàn)動(dòng)畫;
我使用的解決的辦法是首先
動(dòng)畫的顯示隱藏使用的z-index和opacity;但是這樣存在開始時(shí),彈窗會(huì)緩緩隱藏,那么我們可以用一個(gè)類表示display: none;點(diǎn)擊顯示彈層時(shí),移除該類即可;
對(duì)于js沒什么好說的,無非是操作類名;但是有一點(diǎn)要注意事件注冊(cè)和this的指向;
注意我的addHandler函數(shù),該函數(shù)只會(huì)判斷一次瀏覽器的環(huán)境,不需要反復(fù)的判斷瀏覽器的環(huán)境;
在btnGroupClickEvent函數(shù)中this是指向PopupComponent類,而不是事件的event;所以addHandler函數(shù)中首先保存this的指向,然后使用call或者apply改變this的指向
以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持億速云。
免責(zé)聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如果涉及侵權(quán)請(qǐng)聯(lián)系站長(zhǎng)郵箱:is@yisu.com進(jìn)行舉報(bào),并提供相關(guān)證據(jù),一經(jīng)查實(shí),將立刻刪除涉嫌侵權(quán)內(nèi)容。