node 七牛云图片上传

//https://portal.qiniu.com/user/key
var accessKey = '-xxx-QvPiZzXYWY9AuytTjgix';  
var secretKey = '-xxx';
var mac = new qiniu.auth.digest.Mac(accessKey, secretKey);
var options = {
  scope: "xxx"  //存储空间的名字，创建的存储空间的时候，自己取的名字
};
var putPolicy = new qiniu.rs.PutPolicy(options);
var uploadToken=putPolicy.uploadToken(mac);
router.get('/qiniu', function(req, res, next) {
	res.json({
		putPolicy:putPolicy,
		uploadToken:uploadToken
	})
});
//https://portal.qiniu.com/user/key