在这里,我们将使用Buffer对象将文本字符串编码为 Base64。 将以下代码保存在文件“encode-text.js”中 'use strict';letdata ='stackabuse.com';letbuff =Buffer.from(data);letbase64data = buff.toString('base64');console.log('"'+ data +'" con
rl.on('line', (data) => { encode_base64('../image.jpg') }) 解码插座: function base64_decode(base64str, file) { var bitmap = new Buffer(base64str, 'base64'); fs.writeFileSync(file, bitmap); console.log('*** File created from base64 encoded string ***'); } client.on('...
}//convert image to base64 encoded stringvarbase64str = base64_encode('kitten.jpg'); console.log(base64str);//convert base64 string back to imagebase64_decode(base64str, 'copy.jpg');
我见过类似的问题,声称图像本身是旋转的,但在这种情况下,它只是base64表示。encode(bytes,Base64.NO_WRAP); St 浏览38提问于2019-06-27得票数 0 回答已采纳 4回答 NodeJS编写base64映像文件 我的NodeJS接收到base64编码的图片。接收到的数据应保存为jpg。因此,我使用一个缓冲区和FileSystemWriter: var imag...
function base64_encode(file) { var bitmap = fs.readFileSync(file); return new Buffer(bitmap).toString('base64'); } var ImageFileToSave = base64_encode(req.body.file); console.log(ImageFileToSave); }) 在客户端: <form action="/file_upload" method="POST" enctype="multipart/form- ...
console.log('*** File created from base64 encoded string ***'); }//convert image to base64 encoded stringvarbase64str = base64_encode('kitten.jpg'); console.log(base64str);//convert base64 string back to imagebase64_decode(base64str, 'copy.jpg'); 1. 2. 3. 4...
Base64编码可用于在HTTP环境下传递较长的标识信息。在其他应用程序中,也常常需要把二进制数据编码为适合...
$ npm install nodejs-base64-encode Examples For Encode a String const encode = require('nodejs-base64-encode'); console.log(encode.encode('npm world', 'base64')); prints: bnBtIHdvcmxk For Decode a String const encode = require('nodejs-base64-encode'); console.log(encode.decode('bn...
imdecode(buffer); //Image is now represented as Mat // convert Mat to base64 encoded jpg image const outBase64 = cv.imencode('.jpg', croppedImage).toString('base64'); // Perform base64 encoding const htmlImg='<img src=data:image/jpeg;base64,'+outBase64 + '>'; //Create insert ...
imencode('.jpg', croppedImage).toString('base64'); // Perform base64 encoding const htmlImg='<img src=data:image/jpeg;base64,'+outBase64 + '>'; //Create insert into HTML compatible <img> tag // open capture from webcam const devicePort = 0; const wCap = new cv.VideoCapture(...