node.js base641、图片转base64var fs = require("fs"); var imageBuf = fs.readFileSync("D:\\Documents\\Desktop\\logo.gif"); console.log(imageBuf.toString("base64"));

1、图片转base64

var fs = require("fs");

var imageBuf = fs.readFileSync("D:\\Documents\\Desktop\\logo.gif");

console.log(imageBuf.toString("base64"));

2、转base64

var a = new Buffer('key1=value1&key2=value2').toString('base64');

undefined> a'a2V5MT12YWx1ZTEma2V5Mj12YWx1ZTI='>

3、base64转字符串

new Buffer(a, 'base64').toString()

'key1=value1&key2=value2'