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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>中草药识别</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 20px;
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padding: 20px;
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background-color: #f8f8f8;
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color: #333;
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}
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h1 {
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text-align: center;
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color: #009688;
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}
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p {
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color: #666;
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}
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ul {
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list-style-type: square;
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margin-left: 20px;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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margin-top: 20px;
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}
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th, td {
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border: 1px solid #ddd;
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padding: 8px;
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text-align: center;
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}
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th {
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background-color: #f2f2f2;
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}
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img {
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max-width: 100%;
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height: auto;
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margin-top: 20px;
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}
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.module {
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padding: 10px;
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margin: 10px;
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border: 1px solid #009688;
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background-color: #e0f2f1;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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.module:hover {
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background-color: #b2dfdb;
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}
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.return-btn {
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display: block;
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margin-top: 10px;
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padding: 10px;
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background-color: #138b5b;
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color: #fff;
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text-align: center;
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text-decoration: none;
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cursor: pointer;
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border-radius: 5px;
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}
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.return-btn:hover {
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background-color: #517900;
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}
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</style>
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<script>
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document.addEventListener('DOMContentLoaded', function() {//从后端获取用户名
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var params = new URLSearchParams(window.location.search);
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var username = params.get('username');
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if (username) {
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document.getElementById('username1').textContent = username;
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}
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});
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document.addEventListener('DOMContentLoaded', function() {//从后端获取这个用户的身份（user/admin）
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var params = new URLSearchParams(window.location.search);
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var userid = params.get('userid');
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if (userid === 'admin') {
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document.getElementById('managementBtn').style.display = 'block'; // 显示后台管理按钮
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} else {
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document.getElementById('managementBtn').style.display = 'none'; // 隐藏后台管理按钮
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}
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});
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</script>
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</head>
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<body>
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<!-- 把后端获取的用户名显示在欢迎标题上 -->
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<h1>欢迎您，尊敬的 <span id="username1"></span></h1>
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<p>欢迎访问中草药识别系统！</p>
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<!-- 按钮列表 -->
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<div id="moduleSelection">
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<div class="module" onclick="openModule('reservation')">识别查询</div>
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<div class="module" onclick="openModule('management')" id="managementBtn" >后台管理</div>
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</div>
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<div id="reservation" style="display: none;">
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<h2>识别模块</h2>
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<p>在这里上传你的中草药图片进行识别。</p>
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<form id="uploadForm" enctype="multipart/form-data">
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<input type="file" id="fileInput" name="image" accept="image/*">
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<button type="button" onclick="uploadImage()">上传并识别</button>
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</form>
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<div id="result"></div>
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<a href="#" class="return-btn" onclick="goBack()">返回</a>
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</div>
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<div id="management" style="display: none;">
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<h2>系统后台数据查询与管理模块</h2>
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<p>这是后台数据管理模块的内容。</p>
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<a href="#" class="return-btn" onclick="goBack()">返回模块选择</a>
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</div>
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<!-- 页尾的一些用户友好内容 -->
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<h2>联系我们</h2>
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<p>如有任何关于系统的疑问或建议，请联系我们：</p>
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<address>
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电子邮件：<a href="mailto:aa893824054@163.com">aa893824054@163.com</a><br>
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电话：184-7635-1355
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</address>
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<script>
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function openModule(moduleId) {//打开模块的功能
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var modules = document.getElementsByClassName('module');
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for (var i = 0; i < modules.length; i++) {
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modules[i].style.display = 'none';
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}
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document.getElementById('moduleSelection').style.display = 'none';
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document.getElementById(moduleId).style.display = 'block';
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}
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function uploadImage() {//上传图片的功能
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var formData = new FormData(document.getElementById("uploadForm"));
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// 更换你的实际服务器端API地址
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fetch('your-server-url/api/upload', {
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method: 'POST',
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body: formData
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})
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.then(response => response.json())
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.then(data => {
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document.getElementById("result").innerHTML = "识别结果: " + data.result;
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})
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.catch(error => console.error('Error:', error));
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}
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document.addEventListener('DOMContentLoaded', function() {//监听程序，用来解决：点击返回按钮后重新出现“后台管理”按钮的问题
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var params = new URLSearchParams(window.location.search);
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var username = params.get('username');//获取用户名
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if (username) {
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document.getElementById('username1').textContent = username;
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}
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var userid = params.get('userid');//获取身份
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updateManagementButtonDisplay(userid);
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})
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function updateManagementButtonDisplay(userid) {//根据身份设定“后台管理”按钮是否隐藏
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if (userid === 'admin') {
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document.getElementById('managementBtn').style.display = 'block';
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} else {
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document.getElementById('managementBtn').style.display = 'none';
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}
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}
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function goBack() {//返回功能，同时也是“不断监测id来决定是否隐藏’后台管理‘按钮”的功能的组成部分
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var modules = document.getElementsByClassName('module');
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for (var i = 0; i < modules.length; i++) {
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modules[i].style.display = 'block';
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}
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document.getElementById("moduleSelection").style.display = 'block';
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document.getElementById("reservation").style.display = 'none';
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document.getElementById("management").style.display = 'none';
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var params = new URLSearchParams(window.location.search);
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var userid = params.get('userid');
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updateManagementButtonDisplay(userid);
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}
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</script>
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</body>
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</html> |
