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从 URL 加载 Lottie 动画

要从已放入 public/ 文件夹的 URL 加载 Lottie 动画，请使用 fetch 和 Remotion 的 delayRender() 函数。

资源必须支持 CORS。

使用 LottieAnimationData 类型来使用 React 的 useState() 保持状态，并且仅在数据被获取后渲染 <Lottie> 组件。

Animation.tsx
tsx
import { Lottie, LottieAnimationData } from "@remotion/lottie";
import { useEffect, useState } from "react";
import { cancelRender, continueRender, delayRender } from "remotion";
 
const Balloons = () => {
  const [handle] = useState(() => delayRender("Loading Lottie animation"));
 
  const [animationData, setAnimationData] =
    useState<LottieAnimationData | null>(null);
 
  useEffect(() => {
    fetch("https://assets4.lottiefiles.com/packages/lf20_zyquagfl.json")
      .then((data) => data.json())
      .then((json) => {
        setAnimationData(json);
        continueRender(handle);
      })
      .catch((err) => {
        cancelRender(err);
      });
  }, [handle]);
 
  if (!animationData) {
    return null;
  }
 
  return <Lottie animationData={animationData} />;
};
Animation.tsx
tsx
import { Lottie, LottieAnimationData } from "@remotion/lottie";
import { useEffect, useState } from "react";
import { cancelRender, continueRender, delayRender } from "remotion";
 
const Balloons = () => {
  const [handle] = useState(() => delayRender("Loading Lottie animation"));
 
  const [animationData, setAnimationData] =
    useState<LottieAnimationData | null>(null);
 
  useEffect(() => {
    fetch("https://assets4.lottiefiles.com/packages/lf20_zyquagfl.json")
      .then((data) => data.json())
      .then((json) => {
        setAnimationData(json);
        continueRender(handle);
      })
      .catch((err) => {
        cancelRender(err);
      });
  }, [handle]);
 
  if (!animationData) {
    return null;
  }
 
  return <Lottie animationData={animationData} />;
};

另请参阅​