nodeJs生成条形码图片

代码如下：

 1 var { DOMImplementation, XMLSerializer } = require(\'xmldom\');
 2 var xmlSerializer = new XMLSerializer();
 3 //http://www.w3.org/1999/xhtml
 4 var document = new DOMImplementation().createDocument(\'html\', \'html\', null);
 5 //http://www.w3.org/2000/svg
 6 var svgNode = document.createElementNS(\'svg\', \'svg\');
 7 var JsBarcode = require(\'jsbarcode\');
 8 var svg2png = require(\'svg2png\');
 9 var fs = require(\'fs\')
10 
11 JsBarcode(svgNode, \'test\', {
12     xmlDocument: document,
13 });
14 
15 var svgText = xmlSerializer.serializeToString(svgNode);
16 var png = svg2png.sync(svgText);
17 fs.writeFileSync(\'条形码.png\', png);
18 console.log(\'条形码生成完毕\');