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RandomSelector.js

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+// components/RandomSelector.js
+import React from 'react';
+
+const RandomSelector = ({ students, onSelect = () => { } }) => {
+    const selectRandomStudent = () => {
+        if (students.length === 0) return;
+
+        const randomIndex = Math.floor(Math.random() * students.length);
+        const selectedStudent = students[randomIndex];
+
+        // 确保 onSelect 是一个函数
+        if (typeof onSelect === 'function') {
+            onSelect(selectedStudent);
+        } else {
+            console.error('onSelect is not a function');
+        }
+    };
+
+    return (
+        <div>
+            <button onClick={selectRandomStudent}>选择随机学生</button>
+        </div>
+    );
+};
+
+export default RandomSelector;
+