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以下是將文本轉換爲qr碼的示例。我們如何使用nodejs爲json對象生成qr代碼?
var QRCode = require('qrcode');
var express = require('express');
var connect = express();
connect.get('/', function(req, res){
res.writeHead(200, { 'Content-Type': 'text/html' });
var sometext='hi my name is saurav ghadai';
// QRCode.QRCodeDraw.color.dark = '#d4d4d4';
QRCode.toDataURL(sometext, function (err, url) {
if (err) console.log('error: ' + err)
res.end("<!DOCTYPE html/><html><head><title>node-qrcode</title></head><body><img src='" + url + "'/></body></html>");
});
});
connect.listen(3030);
console.log('test server started on port 3030');
像這樣我們如何創建一個json對象的qr代碼?
'QRCode.toDataURL(JSON.stringify(obj),...)'? – robertklep