Results 12 comments of 涛走云散

参数中带 context ,再用 let 声明一遍会报错的

I used jsencrypt.js on the front end and [node-rsa](https://github.com/rzcoder/node-rsa) on the node side. . font end: ``` gogogog document.getElementById('start').onclick = function() { // 获取公钥 fetch('/publicKey').then(function(res){ return res.text(); }).then(function(publicKey) { //...