Search This Blog

26 November 2019

React Js Using Login and Signup Page

Prerequisite:


i) Install node js 
ii) open cmd prompt check node is installed type node -v
iii) type npm install -g Create-react-app -->global


Reactjs Create First App:


i)open cmd prompt npx create-react-app login_signup_app
it will take some times for installed dependency

ii) Install Dependency  npm i axios react-router-dom  if you want any npm package installed it npm i (packagename)

iii) switch the under login_signup_app/src   directory your files is located 

iv) then you want create new file or folder your wish 

v) i have create 2 file login.js and signup.js , App.js -->Default file



Code:



App.js:


// import the modules

import  React,{Component} from 'react';

//imported 2 files

import Login from './login';
import Signup from './signup';

import axios from 'axios';

import $ from 'jquery-confirm';

import {

  BrowserRouter as Router,

  Switch,

  Route,

  NavLink,

  Link

} from "react-router-dom";

export default class App extends Component{constructor(){    super();   }

render(){

  return(

    <div>

       <Router>

      <nav className="header">

           <ul type="none" className='nav' >

          <li>

               <NavLink exact activeClassName="active"  to="/">Home</NavLink>

             </li>

             <li>

               <NavLink  to="/login">Login</NavLink>

             </li>

             <li>

               <NavLink  to="/signup">Signup</NavLink>

             </li>

            

           </ul>

         </nav>

         <Switch>         

           <Route exact  path="/" component={Home} />    

           <Route  path="/login" component={Login} />        

           <Route  path="/signup" component={Signup} />        

         </Switch>

         </Router>

    </div>

  )

}

}

class Home extends Component{

constructor(){    super();

}

//file upload Function

upload(e){
  this.setState({
    file:e.target.files[0].name 
  })
  var rdr=new FileReader();
rdr.onload=function(t){
  document.getElementById('profile').src=t.target.result;
}
rdr.readAsDataURL(e.target.files[0]);
const fd=new FormData();
fd.append("image",e.target.files[0]);
 axios({
  method:'post', url:'file.php',
  data:fd ,
  config:{headers:{'content-type': 'multipart/form-data'}}
}).then(function(res){
console.log(res)
}).catch(function(err){
console.log(err)
});

render(){  

return(<div>

//Defalut Page HTML CODES Here

</div>

)}



Login.js:


export default class Login extends Component{

constructor(){

    super();

    this.state={

        email:"",

        pwd:""

    }

}

    email(e){

        this.setState({

            email:e.target.value

        })

    }

    pwd(e){

        this.setState({

            pwd:e.target.value

        })

    }  

login(event){

    var name=this.state.email;

    var pwd=this.state.pwd;

    var sp1=document.getElementById('nm');

var sp2=document.getElementById('pd');

    if(name.length==0 && pwd.length==0){

console.log("Required fileds");

sp1.style.display="block";

sp2.style.display="block";

event.preventDefault();

    }else if(name.length==0 ){

        console.log("Required email");

        sp1.style.display="block";

sp2.style.display="none";

        event.preventDefault();

    }else if(pwd.length==0){

        console.log("Required passwd");

        sp1.style.display="none";

sp2.style.display="block";

        event.preventDefault();

    }else{

        axios({

            url:'http://localhost/sign.php',

            method:'post',

            data:{

              useremail:this.state.email,

              userpwd:this.state.pwd

            },

            headers:{'Access-Control-Allow-Origin': '*'}  

          }).then(function (res){    

              console.log(res.data);

              document.getElementById('frm').reset();

              $.alert({

                  title: 'Message!',

                  content: 'Login Successfully',

              });

          }).catch(function (err){          

          });

    }

    sp1.style.display="none";

    sp2.style.display="none";

}        

    render(){

        return(

<div style={{backgroundImage:"url(bg.jpg)",height:"85vh"}}>   

    <div className="container">

        <div className="row">

           <div className="col-md-4"></div>

           <div className="col-md-5 box">

            <h2 className="text-center">Login Page</h2>

            <form id='frm'>

            

            <div className="form-group">

               <label>Email</label>

               <input type="text" onKeyUp={this.email.bind(this)} className="form-control" placeholder="Enter Email"></input>

               <span id="nm" style={{display:"none",color:"red"}}>Email is Required</span>

            </div>

            <div className="form-group">

               <label>Password</label>

               <input type="password" onKeyUp={this.pwd.bind(this)} className="form-control" placeholder="Enter Password"></input>

               <span id="pd" style={{display:"none",color:"red"}}>Pasword is Required</span>

            </div>

             <lable style={{cursor:"pointer"}}  onClick={this.login.bind(this)}   className="btn btn-primary" >Login</lable>

             </form>

             <br/>

            </div>

            <div className="col-md-1"></div>

        </div>       

    </div>

</div>

        );

    }


Signup.js:



import React,{Component} from 'react';

import axios from 'axios';

import './register.css';

import $ from 'jquery-confirm';

export default class Signup extends Component{

constructor(){

    super();

    this.state={

        uname:"",

        email:"",

        pwd:""

    }

}

name(e){

    this.setState({

        uname:e.target.value

    })

}

email(e){

    this.setState({

        email:e.target.value

    })

}

pwd(e){

    this.setState({

        pwd:e.target.value

    })

}    

    signup(){

axios({

  url:'http://localhost/sign.php',

  method:'post',

  data:{

    username:this.state.uname,

    email:this.state.email,

    passwd:this.state.pwd

  },

  headers:{'Access-Control-Allow-Origin': '*'}  

}).then(function (res){    

    console.log(res.data);

    document.getElementById('frm').reset();

    $.alert({

        title: 'Message!',

        content: 'Register Successfully',

    });

}).catch(function (err){

});

    }

    render(){

        return(

<div style={{backgroundImage:"url(bg.jpg)",height:"85vh"}}>   

    <div className="container">

        <div className="row">

           <div className="col-md-4"></div>

           <div className="col-md-5 box">

            <h2 className="text-center">Register Page</h2>

            <form id='frm'>

            <div className="form-group">

               <label>Username</label>

               <input type="text" onKeyUp={this.name.bind(this)} className="form-control" placeholder="Enter Username"></input>

            </div>

            <div className="form-group">

               <label>Email</label>

               <input type="text" onKeyUp={this.email.bind(this)} className="form-control" placeholder="Enter Email"></input>

            </div>

            <div className="form-group">

               <label>Password</label>

               <input type="password" onKeyUp={this.pwd.bind(this)} className="form-control" placeholder="Enter Password"></input>

            </div>

             <lable style={{cursor:"pointer"}} onClick={this.signup.bind(this)}  className="btn btn-primary" >Register</lable>

             </form>

             <br/>

            </div>

            <div className="col-md-1"></div>

        </div>       

    </div>

</div>

        );

    }

}



Signup.php:



<?php

header("Access-Control-Allow-Origin: *");

header("Access-Control-Allow-Headers: *");

$con=mysqli_connect("localhost","root","","test");

$data = json_decode(file_get_contents('php://input'), true);

@$name=$data['username'];

@$email=$data['email'];

@$pwd=$data['passwd'];

@$useremail=$data['useremail'];

@$userpwd=$data['userpwd'];

if(!empty($name)){

$sql="insert into signup values(NULL,'$name','$email','$pwd')";

$con->query($sql);

echo "Inserted...💜";

}else{    

}

if(!empty($useremail)){

    $sql="select * from signup where Email='$useremail' and Password='$userpwd'";

    $res=$con->query($sql);

    $cnt=mysqli_num_rows($res);

    if($cnt==1){

echo "Login Successfully..🤩";

    }else{

echo "Email or Password is Incorrect..😫";

    }    

}else{   

}

?>

Output:
















2 comments:

  1. Neo Thermal is one of top Thermal Insulation Material Suppliers In Bangalore We provide our insulation services for diverse sectors like Warehouses, Manufacturing Industries,etc.These insulation materials are made up with low thermal-conductive material.

    ReplyDelete

Jquery or Javascript Start Exam Time

 <script> function startTimer() {      var date = "<?php echo $date ?>"; // dynamic date      var time = "<?...