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Phpalex 2

This document contains the code for a student registration system with PHP and MySQL. It includes pages for connecting to the database, displaying a student list, inserting new students, updating student details, and deleting students. The actualizar.php page allows editing a student's details and updating the database, while alumno.php shows the student list and allows navigating to actualizar.php to edit records.

Uploaded by

Diego Andrés
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
54 views6 pages

Phpalex 2

This document contains the code for a student registration system with PHP and MySQL. It includes pages for connecting to the database, displaying a student list, inserting new students, updating student details, and deleting students. The actualizar.php page allows editing a student's details and updating the database, while alumno.php shows the student list and allows navigating to actualizar.php to edit records.

Uploaded by

Diego Andrés
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Actualizar.

php

<?php
    include("conexion.php");
    $con=conectar();

$id=$_GET['id'];

$sql="SELECT * FROM alumno WHERE cod_estudiante='$id'";


$query=mysqli_query($con,$sql);

$row=mysqli_fetch_array($query);
?>

<!DOCTYPE html>
<html lang="en">
    <head>
        <title></title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="css/style.css" rel="stylesheet">
        <title>Actualizar</title>
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">
       
    </head>
    <body>
                <div class="container mt-5">
                    <form action="update.php" method="POST">
                   
                                <input type="hidden" name="cod_estudiante" value="<?php echo $row['cod_estudiante']  ?>">
                               
                                <input type="text" class="form-control mb-3" name="dni" placeholder="Dni" value="<?php echo
$row['dni']  ?>">
                                <input type="text" class="form-control mb-3" name="nombres" placeholder="Nombres" value="<?php echo
$row['nombres']  ?>">
                                <input type="text" class="form-control mb-3" name="apellidos" placeholder="Apellidos" value="<?php
echo $row['apellidos']  ?>">
                               
                            <input type="submit" class="btn btn-primary btn-block" value="Actualizar">
                    </form>
                   
                </div>
    </body>
</html>

Alumno.php

<?php
    include("conexion.php");
    $con=conectar();

    $sql="SELECT *  FROM alumno";


    $query=mysqli_query($con,$sql);
?>
<!DOCTYPE html>
<html lang="en">
    <head>
        <title> PAGINA ALUMNO</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="css/style.css" rel="stylesheet">
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">
       
    </head>
    <body>
            <div class="container mt-5">
                    <div class="row">
                       
                        <div class="col-md-3">
                            <h1>Ingrese datos</h1>
                                <form action="insertar.php" method="POST">

                                    <input type="text" class="form-control mb-3" name="cod_estudiante" placeholder="cod estudiante">


                                    <input type="text" class="form-control mb-3" name="dni" placeholder="Dni">
                                    <input type="text" class="form-control mb-3" name="nombres" placeholder="Nombres">
                                    <input type="text" class="form-control mb-3" name="apellidos" placeholder="Apellidos">
                                   
                                    <input type="submit" class="btn btn-primary">
                                </form>
                        </div>

                        <div class="col-md-8">
                            <table class="table" >
                                <thead class="table-success table-striped" >
                                    <tr>
                                        <th>Codigo</th>
                                        <th>Dni</th>
                                        <th>Nombres</th>
                                        <th>pellidos</th>
                                        <th></th>
                                        <th></th>
                                    </tr>
                                </thead>

                                <tbody>
                                        <?php
                                            while($row=mysqli_fetch_array($query)){
                                        ?>
                                            <tr>
                                                <th><?php  echo $row['cod_estudiante']?></th>
                                                <th><?php  echo $row['dni']?></th>
                                                <th><?php  echo $row['nombres']?></th>
                                                <th><?php  echo $row['apellidos']?></th>    
                                                <th><a href="actualizar.php?id=<?php echo $row['cod_estudiante'] ?>" class="btn btn-
info">Editar</a></th>
                                                <th><a href="delete.php?id=<?php echo $row['cod_estudiante'] ?>" class="btn btn-
danger">Eliminar</a></th>                                        
                                            </tr>
                                        <?php
                                            }
                                        ?>
                                </tbody>
                            </table>
                        </div>
                    </div>  
            </div>
    </body>
</html>

Conexión.php

<?php
function conectar(){
    $host="localhost";
    $user="root";
    $pass="";

    $bd="jvh-tutoriales";

    $con=mysqli_connect($host,$user,$pass);

    mysqli_select_db($con,$bd);

    return $con;
}
?>
Delete.php

<?php

include("conexion.php");
$con=conectar();

$cod_estudiante=$_GET['id'];

$sql="DELETE FROM alumno  WHERE cod_estudiante='$cod_estudiante'";


$query=mysqli_query($con,$sql);

    if($query){
        Header("Location: alumno.php");
    }
?>

Insertar.php

<?php
include("conexion.php");
$con=conectar();

$cod_estudiante=$_POST['cod_estudiante'];
$dni=$_POST['dni'];
$nombres=$_POST['nombres'];
$apellidos=$_POST['apellidos'];

$sql="INSERT INTO alumno VALUES('$cod_estudiante','$dni','$nombres','$apellidos')";


$query= mysqli_query($con,$sql);

if($query){
    Header("Location: alumno.php");
   
}else {
}
?>

Update.php

<?php

include("conexion.php");
$con=conectar();

$cod_estudiante=$_POST['cod_estudiante'];
$dni=$_POST['dni'];
$nombres=$_POST['nombres'];
$apellidos=$_POST['apellidos'];

$sql="UPDATE alumno SET  dni='$dni',nombres='$nombres',apellidos='$apellidos' WHERE cod_estudiante='$cod_estudiante'";


$query=mysqli_query($con,$sql);

    if($query){
        Header("Location: alumno.php");
    }
?>

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