完成了图书管理系统
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>BookManagement - Admin Panel - ZYM's Book Store</title>
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<link rel="stylesheet" href="basic.css">
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<style>
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.info-box {
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width: 300px;
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padding: 20px;
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border: 1px solid #ccc;
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background-color: #fff;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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}
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.book-management {
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margin-top: 20px;
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}
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.book-form,
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.purchase-form {
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display: grid;
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grid-template-columns: repeat(2, 1fr);
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grid-gap: 10px;
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max-width: 600px;
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margin: 20px auto;
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}
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.book-form label,
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.purchase-form label {
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font-weight: bold;
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margin-bottom: 5px;
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}
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.book-form input,
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.purchase-form input {
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width: 100%;
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padding: 8px;
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box-sizing: border-box;
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}
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.book-form button,
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.purchase-form button {
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padding: 10px;
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background-color: #4CAF50;
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color: white;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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}
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.book-form button:hover,
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.purchase-form button:hover {
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background-color: #45a049;
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}
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</style>
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</head>
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<body>
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<header>
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<h1>ZYM's Book Store</h1>
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<div class="user-bar">
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<span>Welcome, <span id="username">[Guest]</span></span>
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<div class="action-button-container" onmouseover="showDropdown()" onmouseout="hideDropdown()">
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<div class="action-button">Actions</div>
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<div class="dropdown">
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<div class="dropdown-content">
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<a href="/login">Login</a>
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<a href="#" onclick="(async () => { await Request('logout'); await UpdateUserInfo(); location.reload();})(); return false;">Logout</a>
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<a href="/register">Register</a>
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<a href="/passwd">Change Password</a>
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<a href="/admin">Admin Panel</a>
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</div>
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</div>
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</div>
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</div>
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</header>
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<div class="main-content">
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<nav>
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<a href="/">Home Page</a>
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<a href="/show">Search Books</a>
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<a href="/buy">Purchase Books</a>
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</nav>
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<div class="content">
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<div class="book-management">
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<h2>Book Management</h2>
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<div class="book-form">
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<label for="isbn">ISBN:</label>
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<input type="text" id="isbn" required>
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<label for="newIsbn">New ISBN:</label>
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<input type="text" id="newIsbn" placeholder="Leave blank for not change">
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<label for="title">Title:</label>
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<input type="text" id="title" placeholder="Leave blank for not change">
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<label for="author">Author:</label>
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<input type="text" id="author" placeholder="Leave blank for not change">
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<label for="keywords">Keywords:</label>
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<input type="text" id="keywords" placeholder="Leave blank for not change">
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<label for="price">Price:</label>
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<input type="text" id="price" placeholder="Leave blank for not change">
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<button onclick="updateBook()">Update Book Info</button>
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</div>
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<div class="purchase-form">
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<label for="quantity">Quantity:</label>
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<input type="number" id="quantity" required>
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<label for="totalCost">Total Cost:</label>
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<input type="text" id="totalCost" required>
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<button onclick="purchaseBooks()">Import Books</button>
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</div>
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</div>
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</div>
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</div>
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<script src="/socket.io/socket.io.js"></script>
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<script src="/communication.js"></script>
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<script src="/basic.js"></script>
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<script>
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document.addEventListener('SessionReady', async () => {
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await UpdateUserInfo();
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if((await GetMyPrivilege())<3)
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{
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document.querySelector('.content').innerHTML = '<div class="info-box"><h2>Please log in as worker or root first.</h2><p>Redirecting to home page in 3 seconds...</p></div>';
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setTimeout(function(){window.location.href="/";},3000);
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}
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});
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async function updateBook() {
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let isbn = document.getElementById('isbn').value;
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let newIsbn = document.getElementById('newIsbn').value;
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let title = document.getElementById('title').value;
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let author = document.getElementById('author').value;
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let keywords = document.getElementById('keywords').value;
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let price = document.getElementById('price').value;
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let cmd="modify";
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await Request("select "+isbn);
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if(newIsbn!="") cmd+=" -ISBN="+newIsbn;
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if(title!="") cmd+=" -name=\""+title+"\"";
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if(author!="") cmd+=" -author=\""+author+"\"";
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if(keywords!="") cmd+=" -keyword=\""+keywords+"\"";
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if(price!="") cmd+=" -price="+price;
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let result = await Request(cmd);
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if(result == '[empty]') {
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document.querySelector('.content').innerHTML='<div class="info-box"><h2>Successfully updated book info</h2><p>Auto refreshing page in 5 seconds...</p></div>';
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setTimeout(function(){location.reload();},5000);
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} else {
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alert('Failed to update book info.');
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}
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}
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async function purchaseBooks() {
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let isbn = document.getElementById('isbn').value;
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let quantity = document.getElementById('quantity').value;
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let totalCost = document.getElementById('totalCost').value;
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await Request("select "+isbn);
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let result = await Request('import '+quantity+' '+totalCost);
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if(result == '[empty]') {
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document.querySelector('.content').innerHTML='<div class="info-box"><h2>Successfully purchased books</h2><p>Auto refreshing page in 5 seconds...</p></div>';
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setTimeout(function(){location.reload();},5000);
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} else {
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alert('Failed to purchase books.');
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}
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}
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</script>
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<script src="/sessioninit.js"></script>
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</body>
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</html>
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