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這篇文章主要講解了“怎么用vue代碼實現旋轉木馬動畫”，文中的講解內容簡單清晰，易于學習與理解，下面請大家跟著小編的思路慢慢深入，一起來研究和學習“怎么用vue代碼實現旋轉木馬動畫”吧！
圖片數量可為任意值都能正常處理 [1-無限個]：
<!DOCTYPE html> <html> <head> <title></title> <meta charset="UTF-8"> <meta http-equiv="Access-Control-Allow-Origin" content="*"> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> <style> html,body{ font-size: 100px; } html,body{ width: 100%; height: 100%; overflow: hidden; } .film-box{ width:100%; height: 100%; } ul{ position: relative; width: 100%; list-style: none; } ul li { position: absolute; top: 0; left: 0; z-index: 1; width:0rem; height: 0rem; text-align: center; } ul li.film-show{ transition: all 1s; width: 87rem; height: 50rem; } ul li img { /* width: 100%; */ height: 100%; } /* 左右箭頭 */ .arrow { position: absolute; width: 100%; top: 50%; /* opacity: 0; */ z-index: 3; } .prev,.next { position: absolute; height: 5rem; width: 3rem; border-radius: 50%; top: 50%; margin-top: -56px; overflow: hidden; text-decoration: none; } .prev{ left: 0; background: url("./imgs/arrow-left.png") no-repeat left top; background-size: 100% 100%; } .next{ right: 0; background: url("./imgs/arrow-right.png") no-repeat right top; background-size: 100% 100%; } .filmindex{ color: #cb2e2e; font-size: 2.4rem; position: absolute; bottom: 12rem; left: 50%; transform: translateX(-50%); } </style> </head> <body> <div class="film-box" id="app"> <ul id="slide"> <li v-for="(item,index) in films" :key="index" v-bind:class="item.show ? "film-show" : """ v-bind:style="{left:filmsHideLeft}" v-bind:data-index = "index" > <img v-bind:src="item.image" alt=""> </li> </ul> <span class="filmindex">{{ filmCurrIndex + 1 + "/" + films.length}}</span> <div class="arrow" id="arrow"> <a href="javascript:;" id="arrPrev" class="prev" @click="last"></a> <a href="javascript:;" id="arrNext" class="next" @click="next"></a> </div> </div> </body> <script> var vm = new Vue({ el:"#app", data:{ films:[], filmsHideLeft:"0rem",//控制隱藏圖片是從左上角跳出來還是從右上角跳出來 configStart:0, filmCurrIndex:2, config:[ { "transform":"scale(0.6)", "top": "5rem", "left": "-13rem", "zIndex": 2, "backgroundColor":"#98E0AD" }, //0 { "transform":"scale(0.8)", "top": "3rem", "left": "13rem", "zIndex": 3, "backgroundColor":"#BAD1F0" }, //1 { "transform":"scale(1)", "top": "2rem", "left": "45rem", "zIndex": 4, "backgroundColor":"#F3DFDE" }, //2 { "transform":"scale(0.8)", "top": "3rem", "left": "93rem", "zIndex": 3, "backgroundColor":"#BAD1F0" }, //3 { "transform":"scale(0.6)", "top": "5rem", "left":"113rem", "zIndex": 2, "backgroundColor":"#98E0AD" }, //4 ], lessNum:0, }, methods:{ next(){ if (this.lessNum < 5) { this.nextFilmLessFive(); } else { this.nextFilm(); } }, last(){ if (this.lessNum < 5) { this.lastFilmLessFive(); } else { this.lastFilm(); } }, nextFilm(){ let self = this; this.filmsHideLeft = "185rem"; let currShowFirst = parseInt(document.querySelectorAll(".film-show")[0].dataset.index); // 最后一個位于正中央時按下一個不再反應 console.log(currShowFirst,self.films.length) if (currShowFirst + 3 == self.films.length){ return; } // 改變DOM的顯示與隱藏 if (self.configStart == 0) { self.films[currShowFirst].show = false; if (currShowFirst + 5 <= this.films.length - 1){// 正中央顯示的是倒數第二張或倒數第一張時，按下一個不需要設置哪張顯示成true self.films[currShowFirst + 5].show = true; } }else if (self.configStart == 1) { self.films[4].show = true; self.configStart = 0; } else if(self.configStart == 2){ self.films[3].show = true; self.configStart = 1; } console.log(self.films) self.$nextTick(function(){ // 改變DOM的left,top,scale,zIndex,backgroundColor this.filmCurrIndex = (this.filmCurrIndex + 1 >= this.films.length - 1 ? this.films.length - 1 : this.filmCurrIndex + 1); self.assign(); }) }, lastFilm(){ let self = this; this.filmsHideLeft = "0rem"; let currShowFirst = parseInt(document.querySelectorAll(".film-show")[0].dataset.index); if (currShowFirst !== 0) { self.films[currShowFirst -1].show = true; if (currShowFirst + 4 <= this.films.length -1) {// 正中央顯示的是倒數第二張或倒數第一張時，按上一個不需要設置哪張顯示成false self.films[currShowFirst + 4].show = false; } } else { if (self.configStart == 0) { self.configStart = 1; self.films[4].show = false; } else if (self.configStart == 1) { self.configStart = 2; self.films[3].show = false; } else { // 第一個位于正中央時按上一個不再反應 return; } } console.log(self.films) self.$nextTick(function(){ this.filmCurrIndex = (this.filmCurrIndex - 1) < 0 ? 0 : (this.filmCurrIndex - 1); self.assign(); }) }, lastFilmLessFive(){ let currShowFirst = parseInt(document.querySelectorAll(".film-show")[0].dataset.index); if (this.lessNum === 4) { if (!this.films[0].show) { this.films[0].show = true; } else { if (this.configStart === 2) return; if (this.configStart === 0) { this.configStart = 1; } else if (this.configStart === 1) { this.configStart = 2; this.films[3].show = false } } } else if (this.lessNum === 3) { if (this.configStart === 1) { this.configStart = 2; } else if (this.configStart === 0) { this.configStart = 1; } } else if (this.lessNum === 2) { if (this.configStart === 1) { this.configStart = 2; } } this.$nextTick(function(){ this.filmCurrIndex = (this.filmCurrIndex - 1) < 0 ? 0 : (this.filmCurrIndex - 1); this.assign(); }) }, nextFilmLessFive(){ let currShowFirst = parseInt(document.querySelectorAll(".film-show")[0].dataset.index); if (this.lessNum === 4) { if (!this.films[0].show) return; if (this.configStart === 2) { this.configStart = 1; this.films[3].show = true; } else if (this.configStart === 1) { this.configStart = 0; } else { this.films[0].show = false; } } else if (this.lessNum === 3) { if (this.configStart === 1) { this.configStart = 0; } else if (this.configStart === 2) { this.configStart = 1; } } else if (this.lessNum === 2) { if (this.configStart === 2) { this.configStart = 1; } } this.$nextTick(function(){ console.log(this.filmCurrIndex,this.films.length) this.filmCurrIndex = (this.filmCurrIndex + 1 >= this.films.length - 1 ? this.films.length - 1 : this.filmCurrIndex + 1); this.assign(); }) }, assign() { let self = this; var list= document.getElementById("slide").getElementsByClassName("film-show"); //拿到所有li for (var i = 0; i < list.length; i++){ let json = self.config[i + this.configStart]; for (var attr in json) { list[i].style[attr] = json[attr]; } } } }, mounted(){ this.films = this.films.concat([ {image:"./imgs/9.jpeg",show:true}, {image:"./imgs/1.jpg",show:true}, {image:"./imgs/2.jpg",show:true}, {image:"./imgs/3.jpg",show:true}, {image:"./imgs/4.jpg",show:true}, // {image:"./imgs/5.jpg",show:false}, // {image:"./imgs/6.jpg",show:false}, // {image:"./imgs/7.jpg",show:false}, // {image:"./imgs/8.jpg",show:false}, ]); this.$nextTick(function(){ this.lessNum = this.films.length; if (this.lessNum === 3) { this.configStart = 1; this.filmCurrIndex = 1; } if (this.lessNum === 2) { this.configStart = 2; this.filmCurrIndex = 0; } if (this.lessNum === 1) { this.configStart = 2; this.filmCurrIndex = 0; } this.assign(); }) }, created(){ let rootWidth = document.documentElement.clientWidth || document.body.clientWidth; let rootDom = document.querySelector("html"); rootDom.style.fontSize = rootWidth / 1920 * 10 + "px"; } }); // 功能增強(以上部分已經實現了旋轉木馬)： // 以下代碼實現目標：鼠標模擬移動端的左滑右滑事件，在左滑右滑中可以切換圖片 (function(){ var touchDot,flagLeft = true,flagRight = true; var bodyDom = document.querySelector("body"); bodyDom.addEventListener("mousedown",down,false); bodyDom.addEventListener("mousemove",move,false); bodyDom.addEventListener("mouseup",up,false); bodyDom.addEventListener("mouseout",up,false); function down(event){ touchDot = event.clientX; // 獲取觸摸時的原點 } function move(event){ if (touchDot !== undefined) { var touchMove = event.clientX; // 向左滑動 if (touchMove - touchDot <= -40) { if (flagLeft) { vm.nextFilm(); flagLeft = false;// 鼠標未抬起之前持續左滑最多只能左滑一張圖片 flagRight = true;// 鼠標左滑切換圖片后，鼠標未抬起之前可以通過再右滑切換回到之前的圖片 } else { touchDot = touchMove; } } // 向右滑動 if (touchMove - touchDot >= 40) { if (flagRight) { vm.lastFilm(); flagRight = false; // 鼠標未抬起之前持續右滑最多只能右滑一張圖片 flagLeft = true;// 鼠標右滑切換圖片后，鼠標未抬起之前可以通過再左滑切換回到之前的圖片 } else { touchDot = touchMove; } } } } function up(event){ // 鼠標抬起重置一切可以進行下一步操作; flagRight = true; flagLeft = true; touchDot = undefined; } }()) </script> </html>
感謝各位的閱讀，以上就是“怎么用vue代碼實現旋轉木馬動畫”的內容了，經過本文的學習后，相信大家對怎么用vue代碼實現旋轉木馬動畫這一問題有了更深刻的體會，具體使用情況還需要大家實踐驗證。這里是億速云，小編將為大家推送更多相關知識點的文章，歡迎關注！
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