Vfrdtyky

**On REACT**



import React, { Component } from 'react';

import axios from "axios";

import {

  BrowserRouter as Router,

  Route,

  Link,

  Redirect,

  withRouter

} from "react-router-dom";



import createHistory from "history/createBrowserHistory"



//import isLoggedIn from '../../helpers/is_logged_in';

class Login extends Component {





   constructor(props) {

    const history = createHistory();

      super(props);



     // this.islogin = this.islogin.bind(this);

      this.signIn = this.signIn.bind(this);

      this.handleEmailChange = this.handleEmailChange.bind(this);

      this.handlePasswordChange = this.handlePasswordChange.bind(this);

      this.state = {

        email:'',

        password:'',

        redirectToReferrer: false



      };

    }

    signIn(){



      const history = createHistory()

      const location = history.location;

              console.log(location);





    //  alert(this.state.email);

      axios.post('http://192.168.1.35:3012/users', {

        email: this.state.email,

        password: this.state.password

      })

      .then(function (response) {

       // console.log(response.data[0].id);

       // console.log(response.data.email);

        var das =  localStorage.setItem('sessionid', response.data[0].id);

        var das =  localStorage.setItem('myData', response.data[0].name);

       var da =  localStorage.getItem('myData');

      var myid =  sessionStorage.setItem('myid', response.data[0].id);

      //alert(da);

       //history.go('/dash');

       

      })



      .catch(function (error) {

        console.log(error);

      });



       this.setState({ redirectToReferrer: true });

    }





    handleEmailChange(e){

      this.setState({email:e.target.value})

    }

    handlePasswordChange(e){

      this.setState({password:e.target.value})

}



  render() {

    console.log('11111');

          const myid =  sessionStorage.getItem('myid');

      const { from } = this.props.location.state || { from: { pathname: "/dash" } };

    const { redirectToReferrer } = this.state;



    if (redirectToReferrer || myid !=null) {

          console.log('22222');



      return <Redirect to={from} />;

    }



else{



    return (

            <form className="form-signin" history={this.props.history}>

                <h2 className="form-signin-heading"> Please sign in </h2>

                <label className="sr-only"> Email address

                </label>

}

<input type="email" onChange={this.handleEmailChange} id="inputEmail" className="form-control" placeholder="Email address" required />              

  <label htmlFor="inputPassword" className="sr-only"> Password</label>



<input type="password" onChange={this.handlePasswordChange} id="inputPassword" className="form-control" placeholder="Password" required />  



<button className="btn btn-lg btn-primary btn-block" onClick={this.signIn} type="button">Sign in</button>            

            </form> 

    );

  }

}

}

export default withRouter(Login); 







**On Express**





var express = require('express');

var bodyParser   = require('body-parser');

var app = express();

 var fs = require('fs');

var formidable = require('formidable');

var busboy = require('connect-busboy');

var cors = require('cors')

var router = express.Router();



app.use(function(req, res, next) {

  res.header("Access-Control-Allow-Origin", "*");

  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");

  next();

});



var mysql = require('mysql')

var connection = mysql.createConnection({

  host     : 'localhost',

  user     : 'root',

  password : 'test',

  database : 'example'

});



connection.connect(function(err) {

  if (err) throw err

 // console.log('You are now connected...')

})



/* POST users listing. */

router.post('/', function(req, res, next) {



  console.log(req.body.email);

      user_sql = "INSERT INTO table_name VALUES (req.body.name, req.body.password);



     console.log(user_sql)

  connection.query(user_sql, function (err, rows, fields) {

  if (err) throw err



console.log(rows)

res.end(JSON.stringify(rows));



   // res.json(rows);

});



   

       

 

});





module.exports = router;