<script>
const form = document.getElementById('form');form.addEventListener('submit', (e) => {e.preventDefault();const name = document.getElementById('name').value;const email = document.getElementById('email').value;const team = document.getElementById('team').value;if (!name) {alert('请填写姓名');return;}if (!email) {alert('请填写邮箱');return;}if (!team) {alert('请选择支持的球队');return;}const data = {name,email,team};const xhr = new XMLHttpRequest();xhr.open('POST', 'submit.php', true);xhr.setRequestHeader('Content-Type', 'application/json');xhr.onload = () => {if (xhr.status === 200) {const response = JSON.parse(xhr.responseText);if (response.success) {alert('提交成功！');} else {alert('提交失败！');}} else {alert('发生错误，请重试！');}};xhr.send(JSON.stringify(data));});
</script>
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【文章关键词】: 欧洲杯足球竞猜网站
