JavaScript 实现简易的图片上传按钮

代码语言：javascript复制

<input
  type="file"
  name="upload"
  @change="fileChange"
>

代码语言：javascript复制

const picture = ref({} as unknown);
const fileChange = (event: Event) => {
  const files = (event.target as HTMLInputElement).files; // DOM.files
  if (files)
    (picture.value as HTMLFrameElement).src = URL.createObjectURL(files[0]);
};

javascript 图片上传

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