- express generator ek folder baba ke detaa hai, jiska matlab aapko khudsee folder nahi babaa haai, to expreess generato saree files ko is folder mein daal deeegaa
- jivan mee ekbar laptop ke install karoo globaly " npm i express-generator -g " to creat new app anywhere: open cmd move to desktop create new app: "express appname --view=ejs" now use two comands
- cd appname
- npm i open it on vs code
- Khandann is puraa DATABASE --> uskee andarr chotaa chotaa parvar/family haai collection --> uskee andarr hum joo haai chote chote admi haai woo haai collection....
- DB Setup --> DB Formation
- Model --> Collection
- Schema --> Document
- install mongodb
- install mongoosejs npm i mongoose
- require and setup connection const mongoose = require("mongoose"); mongoose.connect("mongodb://127.0.0.1:27017/practicekaro");
- make schema -> iska matlab aapko yee batana baane waala haar document mei kya kya hogaa mongoose.Schema({ username: String, name: String, age: Number, })
- create model and export module.exports=mongoose.model("user", userschema);
-
install session npm i express-session
-
create req.session.koibhinaam = koibhivalue;
-
read req.session.koibhinaam
-
delete req.session.destroy
- Setup res.cookie("name",value);
- Cookie reading req.cookie.name -cookie delete res.clearCookie("name")
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