Method uptoken

prototype/baseComponent.js:182–185

(bucket, key)

		})
	}
	uptoken(bucket, key){
		var putPolicy = new qiniu.rs.PutPolicy(bucket+":"+key);
  		return putPolicy.token();
	}
	uploadFile(uptoken, key, localFile){
		return new Promise((resolve, reject) => {
			var extra = new qiniu.io.PutExtra();