添加背单词功能

src/hooks/useFileUpload.ts

@@ -0,0 +1,17 @@
+import { useRef } from "react";
+
+export default function useFileUpload(callback: (file: File) => void) {
+  const inputRef = useRef<HTMLInputElement>(null);
+  const upload = (type: string = "*") => {
+    const input = inputRef.current;
+    if (input) {
+      input.click();
+      input.setAttribute("accept", type);
+      input.onchange = () => {
+        const file = input.files?.[0];
+        if (file) callback(file);
+      };
+    }
+  };
+  return { upload, inputRef };
+}