将activity设置为按钮单击变量,该变量仅通过TapBarMenu赋值,字符串为web,图像项为ImageId的方法如下:
import React, { useState } from 'react';
const ButtonComponent = () => {
const [activity, setActivity] = useState('');
const handleButtonClick = () => {
setActivity('web');
};
return (
<button onClick={handleButtonClick}>按钮</button>
);
};
export default ButtonComponent;
const express = require('express');
const app = express();
let activity = '';
app.get('/button-click', (req, res) => {
activity = 'web';
res.send('按钮点击成功');
});
app.listen(3000, () => {
console.log('服务器已启动');
});
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class ButtonTest {
@Test
public void testButtonClick() {
Button button = new Button();
button.click();
assertEquals("web", button.getActivity());
}
}
CREATE TABLE activity (
id INT PRIMARY KEY AUTO_INCREMENT,
value VARCHAR(255)
);
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