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vue2-lazy

v1.0.2

Published

A vue lazy load image component

Downloads

11

Readme

vue2-lazy

A vue lazy load image component

demo

Build Setup

# install dependencies
npm i vue2-lazy -s || yarn add vue2-lazy

// main.js
import Vue from 'vue'
import lazyLoad from 'vue2-lazy'
import ERRIMAGE from 'path/to/err.png'

const option = {
  aspectRatio: 1, // 默认图片宽高比
  err: ERRIMAGE,  // 默认加载错误图
  loadTime: 1000  // 默认加载时机
}
Vue.use(lazyLoad, option) // 建议传递option对象 适配项目

new Vue({
  el: '#app',
  components: { App },
  template: '<App/>'
})

 <!-- app.vue -->
<template>
  <div id="app">
    <someThingYourComponents/>
    <!-- 建议全局修改默认aspectRatio -->
    <lazyLoad src="path/to/image.png"/>
    <!-- slot自定义loading -->
    <lazyLoad src="https://img.mukewang.com/5ad015060001608909360316.jpg">
      <span slot="icon">hello</span>
    </lazyLoad>

  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>

<style>

</style>

props

| name | desc | type | default | required | | :--: | :--: | ---: | :-----: | :------: | | aspectRatio | 宽高比 | Number | 1 | false | | src | 目标图片src | String | '' | true | | err | 请求图片错误展示图 | String(url || base64) | 默认错误图(base64) | false | | loadTime | 异步请求图片延迟 | Number(ms) | 1000 | false |

event

| name | desc | prams | | :--: | :--: | ---: | | err | 图片加载错误 | 错误原因 |

slot

| name | desc | tips | | :--: | :--: | ---: | | icon | loading 组件 | 需要自己写动画 |

option

| name | desc | recommend | | :--: | :--: | ---: | | aspectRatio | 重写props默认宽高比 | true | | err | 重写props错误图片 | true | | loadTime | 重写props异步加载时机 | true |

Tips

  1. 强烈建议传递aspectRatio 可以更好适配布局,不会引起重流
  2. Vue.use(lazyLoad, option) 可以传递option对象 重写 props default 修改全局默认图片宽高比, 错误展示图, 图片延迟
  3. 通过slot icon 插槽 自定义 loading动画

TODO

[ x ] demo演示 [ ] 多种load效果 [ x ] 自定义load(slot) [ ] 解决向上滚动 懒加载