我试图在我的快速js应用程序中实现中间件功能,它遵循一个简单的MVC架构。

routes.js文件夹下的route

//load the controller auth.js
var auth = require('../controllers/auth');
//auth route
router.route('/auth').get(auth.simpleAuth);


auth.js文件夹下的controllers

//load the middleware
var middleware = require('../middleware/middleware');

module.exports={
  simpleAuth:function (req,res) {
       //invoke middleware
        middleware.testMiddleware;
        res.send('middleware test completed');
    }
}


middleware.js文件夹下的middleware

module.exports={
    testMiddleware:function (req,res,next) {
        console.log('inside middleware');
        if(req.username == true){
            next();
        }else{
            console.log('auth failed')
        }

    }
}


没有显示错误消息,但是当我访问auth路由时,未调用中间件功能。

最佳答案

您没有正确调用它。尝试从路线调用它。

routes.js

var middleware = require('../middleware/middleware');

router.route('/auth').all(middleware.testMiddleware).get(auth.simpleAuth);


middleware.js

testMiddleware: function (req,res,next) {
    console.log('inside middleware');
    if(req.username == true) {
        next();
    } else {
        // error
        return res.status(401).json({ "message" : "auth failed"});
    }
}

关于javascript - Express js:middleware函数未调用,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/43198916/

10-12 12:47
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