Learn Node JS with MySQL APIs Development Beginners Tutorial | Update Data API PUT Method
In this video we'll see:
Learn Node JS with MySQL APIs Development Beginners Tutorial | Update Data API PUT Method
const express = require("express");
const bodyParser = require("body-parser");
const app = express();
const PORT = 5000;
// include body parser for body parameters
app.use(bodyParser.json());
// load mysql package
const mysql = require("mysql");
// create mysql connection
const connection = mysql.createConnection({
host: "localhost",
user: "root",
password: "root",
database: "node_db"
});
// check connection
connection.connect(function (error) {
if (error) {
throw error;
} else {
console.log("We are now successfully connected with mysql database");
}
});
// get all data api
app.get("/users", function (request, response) {
// query
connection.query("SELECT * from tbl_users", function(error, results, fields){
if(error){
throw error;
}else{
response.json(results);
//console.log(fields);
}
});
});
// insert data api method - post
app.post("/user", function(request, response){
//console.log(request.body);return false;
//var name = request.body.name;
//var email = request.body.email;
//var phone_no = request.body.phone_no;
//connection.query("INSERT INTO tbl_users (name, email, phone_no) values (?, ?, ?)", [name, email, phone_no], function(error, result, fields){
var params = request.body;
connection.query("INSERT INTO tbl_users SET ?", params, function(error, result, fields){
response.json({
status: 1,
message: "Data inserted successfully",
data: result,
insert_id: result.insertId
});
});
});
// delete data
app.delete("/user", function(request, response){
var user_id = request.body.user_id;
connection.query("DELETE from tbl_users WHERE id = ?", [user_id], function(error, result, fields){
if(error){
throw error;
}else{
response.json({
status : 1,
message: "User has been deleted successfully",
data: result
});
}
});
});
// update data
app.put("/user", function (request, response) {
var params = request.body;
var name = params.name;
var email = params.email;
var phone_no = params.phone_no;
var user_id = params.user_id;
connection.query("Update tbl_users SET name = ?, email = ?, phone_no = ? WHERE id = ?", [name, email, phone_no, user_id], function (error, results, fields) {
if (error) {
throw error;
} else {
response.json({
status: 1,
message: "User has been updated successfully"
});
}
});
});
app.get("/", function (request, response) {
response.send("Welcome to Initial stage of MySQL");
});
app.listen(PORT, function () {
console.log("Server is running at 5000 port");
});
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