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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>合格证信息</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
background-color: #f5f5f5;
color: #333;
/* 防止iOS触摸拖动 */
-webkit-overflow-scrolling: touch;
overflow-x: hidden;
position: relative;
touch-action: manipulation;
}
/* 防止iOS设备上的弹性滚动 */
html, body {
height: 100%;
overflow: hidden;
overscroll-behavior: none;
}
/* 防止弹窗背景滚动 */
.modal {
/* 防止iOS触摸事件穿透 */
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
/* 防止按钮等元素的默认触摸行为 */
button, input, canvas {
touch-action: manipulation;
}
.container {
max-width: 480px;
margin: 0 auto;
background-color: white;
height: 100%;
overflow-y: auto;
-webkit-overflow-scrolling: touch;
position: relative;
}
.header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 16px;
background-color: #28a745;
color: white;
position: sticky;
top: 0;
z-index: 100;
}
.back-btn {
background: none;
border: none;
color: white;
font-size: 24px;
cursor: pointer;
}
.header h1 {
font-size: 18px;
font-weight: 600;
}
.header-actions {
display: flex;
gap: 12px;
}
.more-btn, .scan-btn {
background: none;
border: none;
color: white;
font-size: 18px;
cursor: pointer;
}
.certificate {
margin: 16px;
padding: 16px;
background-color: white;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.promise-badge {
display: flex;
align-items: center;
gap: 8px;
background-color: #e6f7ee;
color: #28a745;
padding: 8px 12px;
border-radius: 4px;
margin-bottom: 16px;
font-weight: 500;
}
.promise-badge span {
width: 20px;
height: 20px;
background-color: #28a745;
color: white;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 14px;
}
.promise-text {
margin-bottom: 20px;
line-height: 1.6;
}
.promise-item {
margin-top: 8px;
padding-left: 20px;
}
.info-item {
padding: 10px 0;
border-bottom: 1px solid #f0f0f0;
display: flex;
align-items: flex-start;
}
.info-item:last-child {
border-bottom: none;
}
.label {
font-weight: 500;
min-width: 80px;
color: #666;
}
.value {
flex: 1;
color: #333;
}
.empty-state {
text-align: center;
padding: 40px 20px;
color: #999;
}
.verify-btn {
width: 100%;
padding: 12px;
background-color: #28a745;
color: white;
border: none;
border-radius: 4px;
font-size: 16px;
font-weight: 500;
cursor: pointer;
margin-top: 20px;
}
.verify-btn:hover {
background-color: #218838;
}
.hint {
margin: 16px;
padding: 12px;
background-color: #f8f9fa;
border-radius: 4px;
font-size: 14px;
line-height: 1.5;
color: #6c757d;
}
.support {
text-align: center;
padding: 16px;
font-size: 14px;
color: #999;
border-top: 1px solid #f0f0f0;
margin-top: 20px;
}
/* 弹窗样式 */
.modal {
display: none;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 1000;
align-items: center;
justify-content: center;
}
.modal.show {
display: flex;
}
.modal-content {
background-color: white;
width: 90%;
max-width: 400px;
max-height: 80vh;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
display: flex;
flex-direction: column;
}
.modal-body {
flex: 1;
overflow-y: auto;
padding: 0 16px 16px;
}
.modal-body form {
padding: 0;
}
.modal-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 16px;
background-color: #f8f9fa;
border-bottom: 1px solid #e9ecef;
}
.modal-header h2 {
font-size: 16px;
font-weight: 600;
color: #333;
}
.close-btn {
background: none;
border: none;
font-size: 20px;
cursor: pointer;
color: #666;
}
form {
padding: 16px;
}
.form-group {
margin-bottom: 16px;
}
.form-group label {
display: block;
margin-bottom: 6px;
font-size: 14px;
font-weight: 500;
color: #333;
}
.form-group input {
width: 100%;
padding: 10px;
border: 1px solid #ced4da;
border-radius: 4px;
font-size: 14px;
}
.form-group input:focus {
outline: none;
border-color: #28a745;
box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}
.form-actions {
display: flex;
gap: 12px;
padding: 16px;
background-color: white;
border-top: 1px solid #e9ecef;
position: sticky;
bottom: 0;
}
.cancel-btn, .clear-btn, .submit-btn {
flex: 1;
padding: 10px;
border-radius: 4px;
font-size: 14px;
font-weight: 500;
cursor: pointer;
}
.cancel-btn {
background-color: #6c757d;
color: white;
border: none;
}
.clear-btn {
background-color: #ffc107;
color: #212529;
border: none;
}
.submit-btn {
background-color: #28a745;
color: white;
border: none;
}
.cancel-btn:hover {
background-color: #5a6268;
}
.clear-btn:hover {
background-color: #e0a800;
}
.submit-btn:hover {
background-color: #218838;
}
/* 签名区域样式 */
.signature-container {
position: relative;
margin: 10px 0;
}
#signatureCanvas {
border: 1px solid #ced4da;
border-radius: 4px;
background-color: #f8f9fa;
cursor: crosshair;
}
.signature-actions {
margin-top: 8px;
text-align: right;
}
.signature-actions button {
padding: 6px 12px;
background-color: #6c757d;
color: white;
border: none;
border-radius: 4px;
font-size: 14px;
cursor: pointer;
}
.signature-actions button:hover {
background-color: #5a6268;
}
/* 签名显示样式 */
.signature-display img {
max-width: 200px;
max-height: 100px;
}
/* 响应式设计 */
@media (max-width: 480px) {
.container {
max-width: 100%;
}
.certificate {
margin: 12px;
padding: 12px;
}
.header {
padding: 12px;
}
.header h1 {
font-size: 16px;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<button class="back-btn">&lt;</button>
<h1>合格证信息</h1>
<div class="header-actions">
<button class="more-btn">•••</button>
<button class="scan-btn"></button>
</div>
</div>
<div class="certificate">
<div class="promise-badge">
<span></span> 承诺达标合格证
</div>
<div class="promise-text">
我承诺销售的食用农产品:
<div class="promise-item">✓ 不使用禁用农药兽药、停用兽药和非法添加物</div>
<div class="promise-item">✓ 常规农药兽药残留不超标</div>
<div class="promise-item">✓ 对承诺的真实性负责</div>
</div>
<div id="certificateInfo">
<form id="certificateForm">
<div class="form-group">
<label for="subjectName">主体名称:<span style="color: red;">*</span></label>
<input type="text" id="subjectName" name="subjectName" required>
</div>
<div class="form-group">
<label for="productName">产品名称:<span style="color: red;">*</span></label>
<input type="text" id="productName" name="productName" required>
</div>
<div class="form-group">
<label for="weight">产品重量:<span style="color: red;">*</span></label>
<input type="text" id="weight" name="weight" required>
</div>
<div class="form-group">
<label for="basis">承诺依据:<span style="color: red;">*</span></label>
<input type="text" id="basis" name="basis" value="质量安全控制符合要求" required>
</div>
<div class="form-group">
<label for="origin">产地:<span style="color: red;">*</span></label>
<input type="text" id="origin" name="origin" required>
</div>
<div class="form-group">
<label for="contact">联系方式:<span style="color: red;">*</span></label>
<input type="tel" id="contact" name="contact" required pattern="^1[3-9]\d{9}$" title="请输入11位手机号码">
</div>
<div class="form-group">
<label for="date">开具日期:<span style="color: red;">*</span></label>
<input type="date" id="date" name="date" required>
</div>
<div class="form-group">
<label>手写签名:<span style="color: red;">*</span></label>
<div class="signature-container">
<canvas id="signatureCanvas" width="350" height="200"></canvas>
<div class="signature-actions">
<button type="button" onclick="clearSignature()">清除</button>
</div>
</div>
<input type="hidden" id="signature" name="signature">
</div>
<div class="form-actions" style="margin-top: 20px;">
<button type="submit" form="certificateForm" class="submit-btn">提交信息</button>
</div>
</form>
</div>
</div>
<div class="support">
技术支持:四川又鸟蛋贸易有限公司
</div>
</div>
<script>
// 签名画布相关变量
let canvas, ctx, isDrawing = false;
// 获取或创建会话标识
function getSessionId() {
// 首先从URL参数中获取会话ID
const urlParams = new URLSearchParams(window.location.search);
let sessionId = urlParams.get('sessionId');
// 如果URL中没有会话ID,则从本地存储中获取或创建
if (!sessionId) {
sessionId = localStorage.getItem('certificateSessionId');
if (!sessionId) {
// 生成唯一会话标识
sessionId = 'session_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
localStorage.setItem('certificateSessionId', sessionId);
}
} else {
// 如果从URL中获取到会话ID,保存到本地存储
localStorage.setItem('certificateSessionId', sessionId);
}
return sessionId;
}
// 从服务器加载最新的合格证信息
function loadCertificate() {
const sessionId = getSessionId();
// 直接从服务器获取最新的合格证信息,包含会话标识
fetch(`/getLatestCertificate?sessionId=${encodeURIComponent(sessionId)}`)
.then(response => response.json())
.then(data => {
if (data.success && data.certificate) {
displayCertificate(data.certificate);
}
})
.catch(error => {
console.error('获取合格证信息失败:', error);
// 即使获取失败,也不影响页面显示
});
}
// 格式化日期,确保只显示到日
function formatDate(dateValue) {
if (!dateValue) return '';
// 如果是完整的日期时间字符串,只取日期部分
if (typeof dateValue === 'string' && dateValue.includes('T')) {
return dateValue.split('T')[0];
}
return dateValue;
}
// 隐藏电话号码中间四位
function hidePhoneNumber(phone) {
if (!phone || phone.length !== 11) return phone;
return phone.substring(0, 3) + '****' + phone.substring(7);
}
// 隐藏主体名称中间部分,只显示第一个字和最后一个字
function hideSubjectName(name) {
if (!name || name.length <= 2) return name;
return name.charAt(0) + '*'.repeat(name.length - 2) + name.charAt(name.length - 1);
}
// 显示合格证信息
function displayCertificate(certificate) {
const container = document.getElementById('certificateInfo');
let html = '';
html += `
<div class="info-item">
<span class="label">主体名称:</span>
<span class="value">${hideSubjectName(certificate.subjectName) || ''}</span>
</div>
<div class="info-item">
<span class="label">产品名称:</span>
<span class="value">${certificate.productName || ''}</span>
</div>
<div class="info-item">
<span class="label">产品重量:</span>
<span class="value">${certificate.weight || ''}</span>
</div>
<div class="info-item">
<span class="label">承诺依据:</span>
<span class="value">${certificate.basis || ''}</span>
</div>
<div class="info-item">
<span class="label">产地:</span>
<span class="value">${certificate.origin || ''}</span>
</div>
<div class="info-item">
<span class="label">联系方式:</span>
<span class="value">${hidePhoneNumber(certificate.contact) || ''}</span>
</div>
<div class="info-item">
<span class="label">开具日期:</span>
<span class="value">${formatDate(certificate.date) || ''}</span>
</div>
`;
if (certificate.signature) {
html += `
<div class="info-item">
<span class="label">签名:</span>
<div class="signature-display">
<img src="${certificate.signature}" alt="签名" style="max-width: 200px; max-height: 100px;">
</div>
</div>
`;
}
container.innerHTML = html;
}
// 初始化签名画布
function initSignatureCanvas() {
canvas = document.getElementById('signatureCanvas');
if (!canvas) return;
ctx = canvas.getContext('2d');
ctx.strokeStyle = '#000';
ctx.lineWidth = 2;
ctx.lineCap = 'round';
ctx.lineJoin = 'round';
// 清除画布
clearSignature();
// 添加鼠标事件
canvas.addEventListener('mousedown', startDrawing);
canvas.addEventListener('mousemove', draw);
canvas.addEventListener('mouseup', stopDrawing);
canvas.addEventListener('mouseout', stopDrawing);
// 添加触摸事件(支持移动设备)
canvas.addEventListener('touchstart', startDrawingTouch);
canvas.addEventListener('touchmove', drawTouch);
canvas.addEventListener('touchend', stopDrawing);
}
function startDrawing(e) {
isDrawing = true;
const rect = canvas.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
ctx.beginPath();
ctx.moveTo(x, y);
}
function draw(e) {
if (!isDrawing) return;
const rect = canvas.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
ctx.lineTo(x, y);
ctx.stroke();
}
function stopDrawing() {
isDrawing = false;
}
// 触摸事件处理
function startDrawingTouch(e) {
e.preventDefault();
const touch = e.touches[0];
const mouseEvent = new MouseEvent('mousedown', {
clientX: touch.clientX,
clientY: touch.clientY
});
canvas.dispatchEvent(mouseEvent);
}
function drawTouch(e) {
e.preventDefault();
const touch = e.touches[0];
const mouseEvent = new MouseEvent('mousemove', {
clientX: touch.clientX,
clientY: touch.clientY
});
canvas.dispatchEvent(mouseEvent);
}
// 清除签名
function clearSignature() {
if (!canvas || !ctx) return;
ctx.clearRect(0, 0, canvas.width, canvas.height);
// 填充背景色
ctx.fillStyle = '#f8f9fa';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// 重置签名隐藏字段
document.getElementById('signature').value = '';
}
// 保存签名
function saveSignature() {
if (!canvas) return;
// 检查画布是否有内容
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
const data = imageData.data;
let hasContent = false;
// 遍历像素数据,检查是否有非背景色的像素
for (let i = 0; i < data.length; i += 4) {
const r = data[i];
const g = data[i + 1];
const b = data[i + 2];
const a = data[i + 3];
// 检查是否不是透明像素且不是背景色(#f8f9fa)
if (a > 0 && !(r === 248 && g === 249 && b === 250)) {
hasContent = true;
break;
}
}
// 只有当画布有内容时才存储签名数据
if (hasContent) {
// 将画布转换为base64编码
const signatureData = canvas.toDataURL('image/png');
// 存储到隐藏输入字段
document.getElementById('signature').value = signatureData;
} else {
// 画布为空,清空签名字段
document.getElementById('signature').value = '';
}
}
// 清除表单
function clearForm() {
// 清除所有输入字段
document.getElementById('subjectName').value = '';
document.getElementById('productName').value = '';
document.getElementById('weight').value = '';
document.getElementById('basis').value = '';
document.getElementById('origin').value = '';
document.getElementById('contact').value = '';
document.getElementById('date').value = '';
// 清除签名
clearSignature();
}
// 检查提交状态
function checkSubmissionStatus() {
const sessionId = getSessionId();
const hasSubmitted = sessionStorage.getItem('certificateSubmitted_' + sessionId);
if (hasSubmitted) {
// 已提交过,显示提示
if (confirm('您已填写过信息,需要导出当前信息吗?\n\n如果需要填写新信息,请点击取消后选择"重置提交"。')) {
// 触发导出信息按钮的点击事件
document.getElementById('exportBtn').click();
}
} else {
// 未提交过,打开填写弹窗
openModal();
}
}
// 导出信息函数
function exportCertificate() {
const sessionId = getSessionId();
// 获取当前合格证信息
fetch(`/getLatestCertificate?sessionId=${encodeURIComponent(sessionId)}`)
.then(response => response.json())
.then(data => {
if (data.success && data.certificate) {
// 生成查看页面的URL,包含会话ID
const viewUrl = `http://8.137.125.67:3008/view.html?sessionId=${encodeURIComponent(sessionId)}`;
// 生成二维码
generateQRCode(viewUrl);
} else {
alert('没有找到可导出的信息');
}
})
.catch(error => {
console.error('获取信息失败:', error);
alert('获取信息失败,请重试');
});
}
// 重置提交状态
function resetSubmissionStatus() {
const sessionId = getSessionId();
if (confirm('确定要重置提交状态吗?\n\n重置后您将可以重新填写新的合格证信息,同时之前导出的二维码仍然可以查看对应的数据。')) {
// 清除会话存储的提交标记
sessionStorage.removeItem('certificateSubmitted_' + sessionId);
// 刷新页面,显示空状态
location.reload();
}
}
// 生成二维码并显示
function generateQRCode(url) {
// 创建二维码容器
const qrContainer = document.createElement('div');
qrContainer.id = 'qrCodeContainer';
qrContainer.style.cssText = `
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
z-index: 2000;
padding: 20px;
`;
// 创建二维码标题
const qrTitle = document.createElement('h3');
qrTitle.style.cssText = `
color: #28a745;
margin-bottom: 15px;
font-size: 20px;
`;
qrTitle.innerHTML = '📋 导出信息二维码';
// 创建二维码图片
const qrImage = document.createElement('img');
qrImage.id = 'qrCodeImage';
qrImage.style.cssText = `
max-width: 300px;
max-height: 300px;
margin-bottom: 20px;
background-color: white;
padding: 10px;
border-radius: 8px;
`;
// 创建提示文字
const qrText = document.createElement('div');
qrText.style.cssText = `
color: white;
font-size: 16px;
text-align: center;
margin-bottom: 20px;
max-width: 90%;
background-color: rgba(40, 167, 69, 0.1);
padding: 15px;
border-radius: 8px;
`;
qrText.innerHTML = '<p style="font-weight: 500; margin-bottom: 10px;">作用:查看完整的合格证信息</p><p>扫描二维码查看完整信息<br>长按保存二维码</p>';
// 创建关闭按钮
const closeBtn = document.createElement('button');
closeBtn.textContent = '关闭';
closeBtn.style.cssText = `
padding: 10px 20px;
background-color: #28a745;
color: white;
border: none;
border-radius: 4px;
font-size: 16px;
cursor: pointer;
`;
closeBtn.onclick = function() {
document.body.removeChild(qrContainer);
};
// 构建二维码数据URL
const canvas = document.createElement('canvas');
canvas.width = 300;
canvas.height = 300;
const ctx = canvas.getContext('2d');
// 清空画布
ctx.fillStyle = '#FFFFFF';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// 生成二维码(简单实现,实际项目中可使用qrcode库)
// 这里使用一个占位符,后续将使用实际的二维码生成逻辑
ctx.fillStyle = '#000000';
ctx.font = '20px Arial';
ctx.textAlign = 'center';
ctx.fillText('二维码生成中...', canvas.width/2, canvas.height/2);
// 使用Google Charts API生成二维码
const qrCodeUrl = `https://api.qrserver.com/v1/create-qr-code/?size=300x300&data=${encodeURIComponent(url)}`;
qrImage.src = qrCodeUrl;
// 组装容器
qrContainer.appendChild(qrTitle);
qrContainer.appendChild(qrImage);
qrContainer.appendChild(qrText);
qrContainer.appendChild(closeBtn);
// 添加到页面
document.body.appendChild(qrContainer);
}
// 表单提交处理
document.getElementById('certificateForm').addEventListener('submit', function(e) {
e.preventDefault();
// 保存签名
saveSignature();
// 验证必填字段
const subjectName = document.getElementById('subjectName').value.trim();
const productName = document.getElementById('productName').value.trim();
const weight = document.getElementById('weight').value.trim();
const basis = document.getElementById('basis').value.trim();
const origin = document.getElementById('origin').value.trim();
const contact = document.getElementById('contact').value.trim();
const date = document.getElementById('date').value;
const signature = document.getElementById('signature').value;
// 检查所有必填字段
if (!subjectName) {
alert('请填写主体名称');
return;
}
if (!productName) {
alert('请填写产品名称');
return;
}
if (!weight) {
alert('请填写产品重量');
return;
}
if (!basis) {
alert('请填写承诺依据');
return;
}
if (!origin) {
alert('请填写产地');
return;
}
if (!contact) {
alert('请填写联系方式');
return;
}
if (!date) {
alert('请选择开具日期');
return;
}
if (!signature) {
alert('请进行手写签名');
return;
}
// 收集表单数据
const formData = new FormData(this);
const certificate = {};
for (const [key, value] of formData.entries()) {
certificate[key] = value;
}
// 构建URLSearchParams对象,确保数据以正确的格式发送
const urlEncodedData = new URLSearchParams();
for (const [key, value] of formData.entries()) {
urlEncodedData.append(key, value);
}
// 添加会话标识
const sessionId = getSessionId();
urlEncodedData.append('sessionId', sessionId);
// 发送数据到服务器
fetch('/submit', {
method: 'POST',
body: urlEncodedData,
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
})
.then(response => response.json())
.then(data => {
if (data.success) {
// 标记为已提交
const sessionId = getSessionId();
sessionStorage.setItem('certificateSubmitted_' + sessionId, 'true');
// 显示结果
displayCertificate(data.certificate);
// 显示成功提示
alert('提交成功!合格证信息已保存到数据库。');
} else {
alert('保存失败: ' + data.error);
}
})
.catch(error => {
console.error('保存失败:', error);
alert('保存失败,请重试');
});
});
// 设置日期输入框的默认值和最大值
function setupDateInput() {
const dateInput = document.getElementById('date');
if (dateInput) {
// 获取当前日期,格式为YYYY-MM-DD
const today = new Date().toISOString().split('T')[0];
// 设置默认值为今天
dateInput.value = today;
// 设置最大值为今天,只能选择今天或之前的日期
dateInput.max = today;
}
}
// 页面加载时加载保存的信息
window.onload = function() {
loadCertificate();
setupDateInput();
initSignatureCanvas();
};
</script>
</body>
</html>