第一个参数是 Base64 格式的数据,第二个参数是“base64”。 然后您只需在缓冲区对象上调用“toString”,但这次传递给该方法的参数将是“ascii”,因为这是您希望 Base64 数据转换成的数据类型。 请查看以下代码片段以供参考。 'use strict';letdata ='c3RhY2thYnVzZS5jb20=';letbuff =Buffer.from(data,'b...
}//function to create file from base64 encoded stringfunctionbase64_decode(base64str, file) {//create buffer object from base64 encoded string, it is important to tell the constructor that the string is base64 encodedvarbitmap =newBuffer(base64str, 'base64');//write buffer to filefs.wri...
const express = require('express'); const app = express(); // Base64编码 app.get('/encode', (req, res) => { const data = '缺少r字符'; const encodedData = Buffer.from(data).toString('base64'); res.send(encodedData); }); // Base64解码 app.get('/decode', (req, res) ...
@文心快码BaiduComatenodejs base64 decode 文心快码BaiduComate 在Node.js中,解码Base64字符串是一个常见的操作。你可以按照以下步骤来实现: 引入Node.js的Buffer对象: Node.js内置的Buffer类可以用于处理二进制数据。在这个场景中,我们将使用Buffer来解码Base64字符串。 使用Buffer.from方法将Base64字符串转换为...
function base64_encode(file) { var bitmap = fs.readFileSync(file); return new Buffer(bitmap).toString('base64'); } function base64_decode(base64str, file) { var bitmap = new Buffer(base64str, 'base64'); fs.writeFileSync(file, bitmap); ...
DES加密算法出自IBM的研究,后来被美国政府正式采用,之后开始广泛流传,但是近些年使用越来越少,因为DES...
}//function to create file from base64 encoded stringfunctionbase64_decode(base64str, file) {//create buffer object from base64 encoded string, it is important to tell the constructor that the string is base64 encodedvarbitmap =newBuffer.from(base64str, 'base64');//write buffer to file...
}functionbase64_decode(base64str, file) {varbitmap =newBuffer(base64str,'base64'); fs.writeFileSync(file, bitmap); }varbase64str =base64_encode('a.png');console.log(base64str);base64_decode(base64str,'a.copy.png'); 到此,关于“nodejs怎么对字符串base64编码和解码”的学习就结束了...
1.对刚才生成的 AESKey 进行 base64 解码 const EncodingAESKey = '21IpFqj8qolJbaqPqe1rVTAK5sgkaQ3GQmUKiUQLwRe'; let aesKey = Buffer.from(EncodingAESKey + '=', 'base64'); 2.对 AESKey 进行 aes-256-cbc 解密 function _decode(data) { ...
A Base64-encoded string. Base64.decode(args: DecodeArgs): string Decodes a Base64 string as a text string. Parameters args(DecodeArgs): An object with the following fields: base64Text(string): The Base64 string to decode. fromEncoding(string): The encoding of the Base64 string. Defaults...