直接上代码
var b = new Buffer('willschang');
var s = b.toString('base64');
console.log('====',s);
// d2lsbHNjaGFuZw==
var b = new Buffer('d2lsbHNjaGFuZw==', 'base64')
var s = b.toString();
console.log('---------',s);
// willschang
QQ截图20160830104023.jpg
testBase64.jpg
