将cookie添加到节点JS中的get请求内的响应对象？答案

【问题标题】：Add cookie to response object inside a get request in node JS?将cookie添加到节点JS中的get请求内的响应对象？
【发布时间】：2018-06-29 07:35:11
【问题描述】：

我正在尝试将 cookie 添加到不同 get 请求中的响应对象 (res)。但是，如果我尝试以下操作，它会给我一个错误，我无法在发送标头后设置标头。我假设通过调用“请求”我已经发送了标头，如何使用来自单独获取请求的数据将 cookie 添加到响应对象？同步性质也不允许我将数据保存在 get 请求之外。我正在使用 npm btw 的请求模块，谢谢。

/* GET home page. */
router.get('/', function(req, res, next) {
    process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = 0
    var status = "Not currently logged in.";
    if (req.cookies.token !== undefined) {
      status = "Currently Logged in.";
    }
    if (req.cookies.email !== undefined) {
      request('https://localhost:44338/api/customer/' + req.cookies.email 
      {json: true}, (err, response, body) => {
        res.cookie('user', body[0].customerID, {maxAge: 9000000});
        //console.log(body);
      });
    }
    res.render('index', { title: 'Mighty Morphin Store', data: "", status: status});
});

【问题讨论】：

标签： node.js cookies request

【解决方案1】：

您必须在设置 cookie 后在回调函数中发送响应。

/* GET home page. */
router.get('/', function(req, res, next) {
    process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = 0
    var status = "Not currently logged in.";
    if (req.cookies.token !== undefined) {
      status = "Currently Logged in.";
    }
    if (req.cookies.email !== undefined) {
      request('https://localhost:44338/api/customer/' + req.cookies.email 
      {json: true}, (err, response, body) => {
        res.cookie('user', body[0].customerID, {maxAge: 9000000});
        //console.log(body);
        res.render('index', { title: 'Mighty Morphin Store', data: "", status: status});
      });
    }

});

【讨论】：