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join.html
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join.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link
rel="stylesheet"
href="https://unpkg.com/[email protected]/build/forms-min.css"
crossorigin="anonymous"
/>
<link
rel="stylesheet"
href="https://unpkg.com/[email protected]/build/buttons-min.css"
crossorigin="anonymous"
/>
<script>
function join(event) {
const name = document.getElementById("name").value;
const el = document.getElementById("info-box");
const urlParams = new URLSearchParams(window.location.search);
fetch(urlParams.get("api"), {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
event: urlParams.get("event"),
event_hash: urlParams.get("hash"),
timestamp: urlParams.get("timestamp"),
name,
}),
})
.then((r) => r.json())
.then((message) => {
if (message.success) {
el.style.color = "green";
el.innerText = "报名成功！";
} else {
el.style.color = "darkred";
el.innerText = "报名失败，可能是有重名";
}
})
.catch((err) => {
el.style.color = "darkred";
el.innerText = "报名失败，可能是网络故障，或姓名太罕见";
});
}
</script>
<title>参加抽奖</title>
</head>
<body>
<div style="margin: auto; max-width: 350px; text-align: center">
<br/>
<p>欢迎参加“挑战杯”宣讲会暨本研经验交流会！</p>
<p>请输入姓名参与宣讲会结束后的抽奖</p>
<p id="info-box" style="color: darkred"> </p>
<form class="pure-form">
<input
style="margin: auto"
id="name"
type="text"
placeholder="您的姓名"
/>
</form>
<br />
<button
type="submit"
class="pure-button pure-button-primary"
onclick="join()"
>
报名
</button>
</div>
</body>
</html>