We often see that when the data does not appear, there will be a prompt message on the page. The page is loading. How to achieve this effect? This article mainly introduces the Vue page loading animation effect in detail. The Vue page appears to be loading. The initial page and the animation effect have certain reference value. Interested friends can refer to it. I hope it can help everyone.
Please look at the code below
<template> <section class="page" v-if="option" :style="{background: option.background,color: option.color||'#fff'}" :class="{'page-before': option.index < currentPage, 'page-after': option.index > currentPage, 'page-current': option.index === currentPage}"> <p :class="{'all-center': option.isCenter}"> <slot></slot> </p> </section> <section class="page" v-else>页面正在渲染中。。。</section> </template>
Do you think it is very simple
The following is some dry information to achieve the animation effect of the page
<template> <nav class="controller"> <button v-if="option.arrowsType" class="prev-btn" :class="{moving:option.arrowsType === 'animate'}" @click="changePage(prevIndex)"></button> <ul v-if="option.navbar"> <li v-for="index in pageNum" @click="changePage(index)" :class="{current:option.highlight && index === currentPage}" :key="'controller-'+index" :data-index="index" class="controller-item"></li> </ul> <button v-if="option.arrowsType" class="next-btn" :class="{moving:option.arrowsType === 'animate'}" @click="changePage(nextIndex)"></button> </nav> </template> <script> export default { name: 'page-controller', props: { pageNum: Number, currentPage: Number, option: { type: Object, default: { arrowsType: 'animate', navbar: true, highlight: true, loop: true //是否开启滚动循环 } } }, methods: { changePage (index) { this.$emit('changePage', index); } }, computed: { nextIndex () { if (this.currentPage === this.pageNum) { if(this.option.loop){ return 1 }else{ return this.pageNum } } else { return this.currentPage + 1; } }, prevIndex () { if (this.currentPage === 1) { if(this.option.loop){ return this.pageNum }else{ return 1 } } else { return this.currentPage - 1; } } }, created () { if (this.option.navbar === undefined) { this.option.navbar = true; } }, mounted () { let _this = this; let timer = null; let start = 0; // 滚轮处理 function scrollHandler (direction) { // 防止重复触发滚动事件 if (timer != null) { return; } if (direction === 'down') { _this.changePage(_this.nextIndex); } else { _this.changePage(_this.prevIndex); } timer = setTimeout(function() { clearTimeout(timer); timer = null; }, 300); } // if (Object.hasOwnProperty.call(window,'onmousewheel')) { if (Object.hasOwnProperty.call(window,'onmousewheel')) { // 监听滚轮事件 window.addEventListener('mousewheel',function (event) { // IE/Opera/Chrome let direction = event.wheelDelta > 0 ? 'up':'down'; scrollHandler(direction); },false); } else { window.addEventListener('DOMMouseScroll',function (event) { // Firefox let direction = event.detail > 0 ? 'up':'down'; scrollHandler(direction); },false); } // 移动端触摸事件处理 window.addEventListener('touchstart', function (event) { start = event.touches[0].clientY; }) window.addEventListener('touchmove', function (event) { event.preventDefault(); }) window.addEventListener('touchend', function (event) { let spacing = event.changedTouches[0].clientY - start; let direction; if (spacing > 50) { direction = 'up'; scrollHandler(direction); } else if (spacing < -50) { direction = 'down'; scrollHandler(direction); } }) } } </script> <style scoped> .controller { position: fixed; right: 20px; top: 50%; z-index: 99; } .controller ul { transform: translate3d(0,-50%,0); list-style: none; margin: 0; padding: 0; } .controller-item { cursor: pointer; width: 20px; height: 20px; border-radius: 50%; margin-top: 10px; background-color: rgba(255, 255, 255, 0.3); transition: background-color 0.3s ease 0s; } .controller-item:hover { background-color: rgba(255, 255, 255, 0.7); } .controller-item.current { background-color: rgba(255, 255, 255, 1); } .prev-btn,.next-btn { cursor: pointer; display: block; text-align: center; width: 20px; height: 20px; position: fixed; left: 50%; margin-left: -10px; border: 4px solid #fff; background-color: transparent; outline: none; } .prev-btn { top: 80px; transform: rotate(-45deg); border-bottom-color: transparent; border-left-color: transparent; } .next-btn { bottom: 80px; transform: rotate(45deg); border-top-color: transparent; border-left-color: transparent; } .prev-btn.moving { animation: prev-up-down 0.7s linear 0s infinite; } .next-btn.moving { animation: next-up-down 0.7s linear 0s infinite; } @keyframes next-up-down { 0% { transform: translate3d(0,0,0) rotate(45deg); } 25% { transform: translate3d(0,6px,0) rotate(45deg); } 50% { transform: translate3d(0,0,0) rotate(45deg); } 75% { transform: translate3d(0,-6px,0) rotate(45deg); } 100% { transform: translate3d(0,0,0) rotate(45deg); } } @keyframes prev-up-down { 0% { transform: translate3d(0,0,0) rotate(-45deg); } 25% { transform: translate3d(0,-6px,0) rotate(-45deg); } 50% { transform: translate3d(0,0,0) rotate(-45deg); } 75% { transform: translate3d(0,6px,0) rotate(-45deg); } 100% { transform: translate3d(0,0,0) rotate(-45deg); } } </style>
Related recommendations:
Events and sequences triggered when the page is loaded
php simple calculation page Loading time
Introduction to speeding up HTML page loading
The above is the detailed content of Vue implementation of page loading animation code tutorial. For more information, please follow other related articles on the PHP Chinese website!

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

I built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing

This article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base

JavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.

The latest trends in JavaScript include the rise of TypeScript, the popularity of modern frameworks and libraries, and the application of WebAssembly. Future prospects cover more powerful type systems, the development of server-side JavaScript, the expansion of artificial intelligence and machine learning, and the potential of IoT and edge computing.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

SublimeText3 Linux new version
SublimeText3 Linux latest version

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

Dreamweaver Mac version
Visual web development tools

Atom editor mac version download
The most popular open source editor