如下所示:
export default {
props: ['src'], // 父组件传过来所需的url
data() {
return {
url: '/images/loading.gif' // 先加载loading.gif
}
},
mounted() {
var newImg = new Image()
newImg.src = this.src
newImg.onerror = () => { // 图片加载错误时的替换图片
newImg.src = '/timg?image&quality=80&size=b9999_10000&sec=1489486509807&di=22213343ba71ad6436b561b5df999ff7&imgtype=0&src=http%3A%2F%2Fa0.%2F77%2F31%2F20300542906611142174319458811.jpg'
}
newImg.onload = () => { // 图片加载成功后把地址给原来的img
this.url = newImg.src
}
}
}
以下为纯js代码
loading
window.onload = () => {
var img = document.querySelector('#img');
img.src = '/images/loading.gif'; // 先加载loading.gif
var newImg = new Image();
newImg.src = '/u/1?v=3';
newImg.onerror = () => { // 图片加载错误时的替换图片
newImg.src = '/timg?image&quality=80&size=b9999_10000&sec=1489486509807&di=22213343ba71ad6436b561b5df999ff7&imgtype=0&src=http%3A%2F%2Fa0.%2F77%2F31%2F20300542906611142174319458811.jpg';
}
newImg.onload = () => { // 图片加载成功后把地址给原来的img
img.src = newImg.src
}
}
以上这篇vue实现图片加载完成前的loading组件方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持脚本之家。