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yc-lottie-miniprogram-fx

v1.0.3

Published

lottie for miniprogram

Downloads

26

Readme

Lottie for MiniProgram

lottie 动画库适配小程序的版本。

lottie 的相关介绍与动画生成方法等请参考官方说明

依赖小程序基础库版本 >= 2.8.0 的环境

使用

可参考该代码片段:https://developers.weixin.qq.com/s/2TYvm9mJ75bF。大致步骤如下:

  1. 通过 npm 安装:
npm install --save lottie-miniprogram
  1. 传入 canvas 对象用于适配
<canvas id="canvas" type="2d"></canvas>
import lottie from 'lottie-miniprogram'

Page({
  onReady() {
    wx.createSelectorQuery().select('#canvas').node(res => {
      const canvas = res.node
      lottie.setup(canvas)
    }).exec()
  }
})
  1. 使用 lottie 接口
lottie.setup(canvas)
lottie.loadAnimation({
  ...
})

接口

目前提供两个接口:

lottie.setup(canvas)

需要在任何 lottie 接口调用之前调用,传入 canvas 对象

lottie.loadAnimation(options)

与原来的 loadAnimation 有些不同,支持的参数有:

  • loop
  • autoplay
  • animationData
  • path (只支持网络地址)
  • rendererSettings.context (必填)

说明

  • 本项目是以 npm 的方式依赖原 lottie-web 项目,若原项目有新版本,可直接改变依赖的版本号。
  • 本项目依赖小程序基础库 2.8.0 里性能更好的 canvas 实现,由于还有些小问题~~没有正式开放~~(2.9.0 已正式对外),但目前用在此处暂无发现问题。
  • 由于小程序本身不支持动态执行脚本,因此 lottie 的 expression 功能也是不支持的。