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EJS "No default engine was specified and no extension was provided" using express router(使用Express路由器的ejs“未指定默认引擎且未提供扩展”)

转载 作者：bug小助手 更新时间：2023-10-26 21:32:12 28 4
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I'm getting a 'No default engine was specified and no extension was provided' on running my app, and I can't understand why.

在运行我的应用程序时，我收到了一个“没有指定默认引擎，也没有提供扩展”的提示，我不明白为什么。


The setup I've got looks rougly like this:

我得到的设置很粗糙，如下所示：


index.js

Index.js


const express = require('express');
const app = express();
app.set('view engine', 'ejs'); // set view engine
const routes = require('./routes'); // import routes file
app.use('/', routes); // use routes
app.listen(3000, () => console.log('Server running on port 3000'));

routes.js

Routes.js


const express = require('express');
const router = express.Router();

const userRoutes = require('./userRoutes');
const locationRoutes = require('./locationRoutes');

router.use('/users', userRoutes);
router.use('/locations', locationRoutes);

module.exports = router;

then there's files like this for users, locations etc:

然后还有这样的文件，供用户、位置等使用：


const express = require('express');
const router = express.Router();

router.get('/', (req, res) => {
  res.render('users');
});

module.exports = router;

When I run it, it fails with 'no default engine'. I think I've set this up right, and ejs is definitely installed and working.

当我运行它时，它失败了，没有默认引擎。我想我已经设置好了，ejs肯定已经安装好了，并且可以正常工作。


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优秀答案推荐

You need to set the views directory as well. Update your code like so:

您还需要设置视图目录。如下所示更新代码：


const express = require('express');
const app = express();
const path = require('path'); //< Add this
app.set('views', path.join(__dirname, 'views')); //< Add this
app.set('view engine', 'ejs');

Make sure you have a users.ejs file in the views directory and you should be good.

确保在view目录中有一个users.ejs文件，这样就可以了。


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