nodejs 使用crypto实现sha256\md5加密

1 var crypto = require('crypto');
2 
3 var hash = crypto.createHash('sha256');// sha256或者md5
4 
5 hash.update('123456');
6 
7 var res = hash.digest('hex');
8 
9 console.log(res);// 8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92

参考地址戳 这儿~