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