usePreLoader 资源预加载,

任意组件内使用,后面考虑资源缓存问题

usePreLoader(
  ["/img/crate.gif","/img/crate1.gif"],
  () => {
    console.log("success");
  },
  () => {
    console.log("prograss");
  },
  () => {
    console.log("onError");
  }
);
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