This tutorial will teach you how to make Crud Application using Node JS and Mysql .
Create the Node Js Project Type on type command prompt
1 | npm init |
and press enter key.after that you have the fill configation of project.after done stuff you
will get the package.json file.
after that you have to install the following dependencies
Express
body-parser
Mysql
you have to create the database and tables in mysql database.
After done the stuff you have to create the file server.js
Server.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | const express = require('express') const bodyParser = require('body-parser') const mysql = require("mysql"); const server = express(); server.use(bodyParser.json()); //Establish the database connection const db = mysql.createConnection({ host: "localhost", user: "root", password: "", database: "dbsmschool", }); db.connect(function (error) { if (error) { console.log("Error Connecting to DB"); } else { console.log("successfully Connected to DB"); } }); //Establish the Port server.listen(8085,function check(error) { if (error) { console.log("Error....dddd!!!!"); } else { console.log("Started....!!!! 8085"); } }); //Create the Records server.post("/api/student/add", (req, res) => { let details = { stname: req.body.stname, course: req.body.course, fee: req.body.fee, }; let sql = "INSERT INTO student SET ?"; db.query(sql, details, (error) => { if (error) { res.send({ status: false, message: "Student created Failed" }); } else { res.send({ status: true, message: "Student created successfully" }); } }); }); //view the Records server.get("/api/student", (req, res) => { var sql = "SELECT * FROM student"; db.query(sql, function (error, result) { if (error) { console.log("Error Connecting to DB"); } else { res.send({ status: true, data: result }); } }); }); //Search the Records server.get("/api/student/:id", (req, res) => { var studentid = req.params.id; var sql = "SELECT * FROM student WHERE id=" + studentid; db.query(sql, function (error, result) { if (error) { console.log("Error Connecting to DB"); } else { res.send({ status: true, data: result }); } }); }); //Update the Records server.put("/api/student/update/:id", (req, res) => { let sql = "UPDATE student SET stname='" + req.body.stname + "', course='" + req.body.course + "',fee='" + req.body.fee + "' WHERE id=" + req.params.id; let a = db.query(sql, (error, result) => { if (error) { res.send({ status: false, message: "Student Updated Failed" }); } else { res.send({ status: true, message: "Student Updated successfully" }); } }); }); //Delete the Records server.delete("/api/student/delete/:id", (req, res) => { let sql = "DELETE FROM student WHERE id=" + req.params.id + ""; let query = db.query(sql, (error) => { if (error) { res.send({ status: false, message: "Student Deleted Failed" }); } else { res.send({ status: true, message: "Student Deleted successfully" }); } }); }); |
i have attached the video link below. which will do this tutorials step by step.
