ZYM/BH-Bookstore-2023
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添加了购买图书的功能

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ZhuangYumin
2023-12-17 03:55:12 +00:00
parent 8574b188f8
commit 122ddb9e2c
7 changed files with 133 additions and 5 deletions
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2
frontend/Web/admin.html
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@ -70,7 +70,7 @@
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="#">Purchase Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
This is content.

124
frontend/Web/buy.html Normal file
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@ -0,0 +1,124 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Buy - ZYM's Book Store</title>
<link rel="stylesheet" href="basic.css">
<style>
.buy-box {
width: 300px;
padding: 20px;
border: 1px solid #ccc;
background-color: #fff;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
input {
width: 100%;
padding: 10px;
margin-bottom: 10px;
box-sizing: border-box;
}
button {
width: 100%;
padding: 10px;
background-color: #4caf50;
color: #fff;
border: none;
cursor: pointer;
}
.info-box {
width: 300px;
padding: 20px;
border: 1px solid #ccc;
background-color: #fff;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
</style>
</head>
<body>
<header>
<h1>ZYM's Book Store</h1>
<div class="user-bar">
<span>Welcome, <span id="username">[Guest]</span></span>
<div class="action-button-container" onmouseover="showDropdown()" onmouseout="hideDropdown()">
<div class="action-button">Actions</div>
<div class="dropdown">
<div class="dropdown-content">
<a href="/login">Login</a>
<a href="#" onclick="(async () => { await Request('logout'); await UpdateUserInfo(); location.reload();})(); return false;">Logout</a>
<a href="/register">Register</a>
<a href="/passwd">Change Password</a>
<a href="/admin">Admin Panel</a>
</div>
</div>
</div>
</div>
</header>
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
<div class="buy-box">
<form onsubmit="console.log('trying passwd'); TryBuy(); return false;">
<input id="isbn" type="text" placeholder="ISBN" required>
<input id="quantity" type="text" placeholder="Quantity" required>
<button type="submit">Buy</button>
</form>
</div>
</div>
</div>
<script src="/socket.io/socket.io.js"></script>
<script src="/communication.js"></script>
<script src="/basic.js"></script>
<script>
document.addEventListener('SessionReady', async () => {
await UpdateUserInfo();
if((await GetMyPrivilege())<1)
{
document.querySelector('.buy-box').style.display = 'none';
document.querySelector('.content').innerHTML = '<div class="info-box"><h2>Please log in first.</h2><p>Redirecting to home page in 3 seconds...</p></div>';
setTimeout(function(){window.location.href="/";},3000);
}
});
function isFloat(str) {
// 使用parseFloat尝试将字符串转换为浮点数
var floatValue = parseFloat(str);
// 使用isNaN检查是否成功转换，并确保不是Infinity或NaN
return !isNaN(floatValue) && isFinite(floatValue);
}
async function TryBuy()
{
console.log("TryBuy called");
var isbn = document.getElementById("isbn").value;
var quantity = document.getElementById("quantity").value;
var ret=await Request("buy "+isbn+" "+quantity);
if(isFloat(ret))
{
// 删除注册框，在中间显示“注册成功”，三秒后自动跳转到首页
document.querySelector('.buy-box').style.display = 'none';
document.querySelector('.content').innerHTML = '<div class="info-box"><h3>Successfully bought book with ISBN='+isbn+'</h3><h3>Used '+ret+'RMB</h3><p>Auto refreshing page in 10 seconds...</p></div>';
setTimeout(function(){location.reload();},10000);
}
else alert("Invalid bookname or quantity");
}
</script>
<script src="/sessioninit.js"></script>
</body>
</html>

2
frontend/Web/index.html
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@ -29,7 +29,7 @@
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="#">Purchase Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
<!-- Your content goes here -->

4
frontend/Web/index.js
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@ -195,6 +195,10 @@ app.get('/admin', (req, res) => {
res.sendFile(join(__dirname, 'admin.html'));
});
app.get('/buy', (req, res) => {
res.sendFile(join(__dirname, 'buy.html'));
});
server.listen(3000, () => {
console.log('server running at http://localhost:3000');
});

2
frontend/Web/login.html
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@ -69,7 +69,7 @@
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="#">Purchase Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
<div class="login-box">

2
frontend/Web/passwd.html
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@ -70,7 +70,7 @@
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="#">Purchase Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
<div class="passwd-box">

2
frontend/Web/register.html
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@ -70,7 +70,7 @@
<div class="main-content">
<nav>
<a href="#">Search Books</a>
<a href="#">Purchase Books</a>
<a href="/buy">Purchase Books</a>
</nav>
<div class="content">
<div class="register-box">