how does express determine the device type to return to the home page under different paths when the user accesses the primary domain name?
if you visit mobile phone and PC, visit www. respectively. The domain name .com returns a different index home page
on node, you can use req.headers ['user-agent'] to match whether it is accessed on PC, for example:
router.get('/', function(req, res, next) {
var agent = req.headers['user-agent'];
var tpl = /Android|webOS|iPhone|iPod|BlackBerry/i.test(agent)? 'index' : 'index2';
//index.htmlindex2.html
res.render(tpl);
});like this SELECT * FROM material WHERE {key:value} limit 1 ...
code, which returns the body body body body console.log(req.body) of the post request ...
function a(){ var a1 = Hello World! ; next(); } app.get( b , a, function (req, res) { res.send(a1); }); how should I get the A1 variable in the previous method; ...
is like this, every page needs to call some api,. If you write request, on each page, it will feel cumbersome. Is there a good way to write it as a common module, and then introduce a module? ...
try to use vue-cli to get the data of the local server database, but return the following error prompt, but you can get the data of Douban in the same way. It can t be solved all night. I hope the seniors can take the time to give us some advice! Thank...
the local backend I use on web is mongodb,express, plus proxy to solve cross-domain problems. can WeChat Mini Programs s local or future online backend use mongodb? what does the local backend need to change? I use Mini Program to send a request to my ...
the front desk requests to download a picture, and the back end downloads it through res.download. The data returned to the front desk is garbled data:JFIFHHC%-sharp , -sharp& )*)-0-(0%()(C(((((((((((((((((((((((((((((((((((((((((((((((((((>.. ...
create an express project locally, access the remote mysql to add, delete, modify and query, and provide an API. There is no problem with local access to localhost:8080 getUsers. install nodejs, and install express, on the CVM (Huawei Cloud I use) and...
how does Express, Passportjs, allow users to log in in only one place? passport passportsessionsession mongoosemongodb sessionpassportsession passport.serializeUser((user, done) => { const sessionUser = { _id: user._id, username: ...
Wechat official account is being developed. After the user clicks the menu, Wechat server will send a unionid to my server (written in express), and then my server will query the database and return the data to the front-end vue to meet the needs of disp...
response.data is a picture url ...
the address where you want to reverse proxy is http: huaban.com ?page=2 s reverse proxy setting in nginx is as follows http: localhost:8099 api?page=2 this is the reverse proxy setting in node access http: localhost:3300 api?page=2 cannot a...
this is the server code app.get( test , (req, res, next) => { res.json( test ) }) frontend code, 1000 requests <Menu.Item key="abc"> <a onClick={() => { for (let i = 0; i < 1000; iPP) { fet...
node environment artTemplate with express how to use the function want to use the filter of art-template examples given on the official website template.defaults.imports.dateFormat = function (date, format) { [code..] }; template.defaults.import...
for example, I already have some routes router.get( user :id? , ...) router.get( detail :id , ...) now a demand has been suddenly added. needs to be able to implement both Chinese and English. will pass parameters over, how can I uniformly add ...
app.use (express.static (path.join (_ _ dirname, public ); ), how can I get the address of the static resource file root directory after setting the static address? There is no need to consider the specific file address, for example, in the public ne...
the server is httpd, and then configure a second-level domain name, reverse proxy a node server, the node server is based on express, installed express-ws, but has been reporting errors router.ws () not function then I would like to ask if the reverse...
I am a novice. I have just come into contact with the node.js and express frameworks. I have configured routing according to the online tutorial, but there are some problems, as follows: first of all, the file structure is as follows: index.js:...
how can a static resource service thus insensitive to the case of the path be case-sensitive? ...
such a scenario: let g= router.get( ,function(req,res,next){ *g* g= date } router.get( next ,function(req,res,next){ *g* } every time the user enters assigns the global gjinghort next route, it needs to operate according to g. ...