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我有一个机器人可以监听来自 Slack 的聊天，如果匹配，它会根据定义的主体做出反应。

在下面的示例中，当我键入 e2e 时，它​​会执行函数 robot.hear(/e2e/i)。我还可以看到它进行了 http 调用并在控制台中打印了值，但是 res.send 命令失败了。它返回错误 ERROR TypeError: Object # has no method 'send'

hubot_example.js

module.exports = function(robot) {
    robot.hear(/badger/i, function(res) {
        res.send("Badgers? BADGERS? WE DON'T NEED NO STINKIN BADGERS");
    });

    robot.hear(/e2e/i, function(res) {
        robot.http("https://api.mycompany.com/v1/users?offset=50&limit=50").get()(function(err, res, body) {
            var rateLimitRemaining;
            if (res.statusCode !== 200) {
                res.send("Request didn't come back HTTP 200 :(");
                return;
            }
            console.log(body);
            return res.send("Got back " + body);
        });

    });
};

错误：

2015-04-15T12:49:01.11-0400 [App/0]   OUT [Wed Apr 15 2015 16:49:01 GMT+0000 (UTC)] ERROR TypeError: Object #<IncomingMessage> has no method 'send'
2015-04-15T12:49:01.11-0400 [App/0]   OUT   at /home/vcap/app/scripts/example.js:14:24
2015-04-15T12:49:01.11-0400 [App/0]   OUT   at IncomingMessage.<anonymous> (/home/vcap/app/node_modules/hubot/node_modules/scoped-http-client/src/index.js:83:20)
2015-04-15T12:49:01.11-0400 [App/0]   OUT   at IncomingMessage.emit (events.js:117:20)
2015-04-15T12:49:01.11-0400 [App/0]   OUT   at _stream_readable.js:944:16
2015-04-15T12:49:01.11-0400 [App/0]   OUT   at process._tickCallback (node.js:448:13)
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