想要个二维码生成器用作生成人升这款游戏化待办软件的打卡点，这类工具都需要会员才能进行那种很长的批量化处理。搞得我很生气，我就直接搞了个前端来实现：从Excel导入直接批量生成二维码，然后再打包下载。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Excel 批量生成二维码</title>
<script src="https://cdn.jsdelivr.net/npm/xlsx/dist/xlsx.full.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/davidshimjs/qrcodejs/qrcode.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.1/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>
</head>
<body>
<input type="file" id="upload" accept=".xlsx, .xls" />
<button onclick="generateQRFromExcel()">从 Excel 导入并生成二维码</button>
<button onclick="downloadAllQRs()">下载所有二维码</button>
<div id="qrcode-container"></div>
<script>
// 从 Excel 导入并生成二维码
function generateQRFromExcel() {
var file = document.getElementById('upload').files[0];
var reader = new FileReader();
reader.onload = function(e) {
var data = e.target.result;
var workbook = XLSX.read(data, {
type: 'binary'
});
workbook.SheetNames.forEach(function(sheetName) {
var XL_row_object = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
var qrcodeContainer = document.getElementById('qrcode-container');
qrcodeContainer.innerHTML = ""; // 清空之前的二维码
// 对每行数据生成二维码及文本标注
XL_row_object.forEach(function(row) {
var text = row[Object.keys(row)[0]];
if (text) {
var qrWrapDiv = document.createElement("div");
var qrDiv = document.createElement("div");
var textDiv = document.createElement("div"); // 用于文本标注
textDiv.textContent = text.toString();
qrWrapDiv.appendChild(qrDiv);
qrWrapDiv.appendChild(textDiv);
// 设置 div 属性以便下载时使用
qrWrapDiv.setAttribute('data-text', text.toString());
new QRCode(qrDiv, {
text: text.toString(),
width: 128,
height: 128
});
qrcodeContainer.appendChild(qrWrapDiv); // 添加div到容器中
}
});
});
};
reader.onerror = function(ex) {
console.log(ex);
};
reader.readAsBinaryString(file);
}
// 下载所有二维码
function downloadAllQRs() {
var zip = new JSZip();
var qrcodeContainer = document.getElementById('qrcode-container');
var qrcodes = qrcodeContainer.querySelectorAll('div[data-text]');
var count = 0;
qrcodes.forEach(function(wrapDiv) {
var canvas = wrapDiv.querySelector('canvas');
var text = wrapDiv.getAttribute('data-text');
// 将 canvas 转换为图片并添加到 zip 文件中
canvas.toBlob(function(blob) {
count++;
zip.file(text + ".png", blob);
// 当所有文件都添加到 zip 时，创建 zip 并提供下载
if (count === qrcodes.length) {
zip.generateAsync({type: "blob"}).then(function(content) {
saveAs(content, "qrcodes.zip");
});
}
});
});
}
// 页面加载完毕后绑定下载按钮的点击事件
document.addEventListener('DOMContentLoaded', function() {
var downloadButton = document.getElementById('download');
downloadButton.addEventListener('click', downloadAllQRs);
});
</script>
</body>
</html>最开始的单个二维码生成
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>二维码生成器</title>
<script src="https://cdn.jsdelivr.net/gh/davidshimjs/qrcodejs/qrcode.min.js"></script>
</head>
<body>
<div id="qrcode"></div>
<input type="text" id="text" placeholder="输入文本生成二维码">
<button onclick="generateQRCode()">生成二维码</button>
<script>
function generateQRCode() {
var text = document.getElementById("text").value;
if(text.trim() === "") {
alert("请输入文本！");
return;
}
// 清空之前的二维码
var qrcodeContainer = document.getElementById('qrcode');
qrcodeContainer.innerHTML = "";
// 生成新的二维码
new QRCode(qrcodeContainer, {
text: text,
width: 128,
height: 128
});
}
</script>
</body>
</html>