Curso de PHP🐘 y MySql🐬 [97.- Mostrar imágenes guardadas en BLOB]
En este tutorial vamos a mostrar las imagenes que guardamos en el tutorial anterior, esto lo aremos gracias a la funcion code64 que nos ofrese php y html
Codigo: https://github.com/programadornovato/php/commit/fd69dd4f8aa25c3d77c8033dcbef9ce013e2d878
<!doctype html>
<html lang="en">
<head>
<title>Images</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
</head>
<body>
<div class="container mt-3">
<div class="row">
<div class="col-12">
<?php
if (isset($_REQUEST['guardar'])) {
if (isset($_FILES['foto']['name'])) {
$tipoArchivo = $_FILES['foto']['type'];
$permitido=array("image/png","image/jpeg");
if( in_array($tipoArchivo,$permitido) ==false ){
die("Archivo no permitido");
}
$nombreArchivo = $_FILES['foto']['name'];
$tamanoArchivo = $_FILES['foto']['size'];
$imagenSubida = fopen($_FILES['foto']['tmp_name'], 'r');
$binariosImagen = fread($imagenSubida, $tamanoArchivo);
include_once "db_empresa.php";
$con = mysqli_connect($db_host, $db_user, $db_pass, $db_database);
$binariosImagen = mysqli_escape_string($con, $binariosImagen);
$query = "INSERT INTO imagenes (nombre ,imagen ,tipo) values
('" . $nombreArchivo . "','" . $binariosImagen . "','" . $tipoArchivo . "');
";
$res = mysqli_query($con, $query);
if ($res) {
?>
<div class="alert alert-primary alert-dismissible fade show" role="alert">
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
<span class="sr-only">Close</span>
</button>
Registro insertado exitosamente
</div>
<?php
} else {
?>
<div class="alert alert-danger alert-dismissible fade show" role="alert">
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
<span class="sr-only">Close</span>
</button>
Error <?php echo mysqli_error($con); ?>
</div>
<?php
}
}
}
?>
<form method="post" enctype="multipart/form-data">
<div class="form-group">
<input type="file" class="form-control-file" name="foto">
</div>
<div class="form-group">
<button type="submit" class="btn btn-primary" name="guardar">Enviar</button>
</div>
</form>
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<title>Lee Imagen</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
</head>
<body>
<div class="container mt-3">
<div class="row">
<div class="col-12">
<table class="table table-striped">
<thead class="thead-inverse">
<tr>
<th>Nombre</th>
<th>Tipo</th>
<th>Imagen</th>
</tr>
</thead>
<tbody>
<?php
include_once "db_empresa.php";
$con = mysqli_connect($db_host, $db_user, $db_pass, $db_database);
$query = "SELECT nombre,tipo,imagen FROM imagenes;";
$res = mysqli_query($con, $query);
while ($row = mysqli_fetch_assoc($res)) {
?>
<tr>
<td><?php echo $row['nombre']; ?></td>
<td><?php echo $row['tipo']; ?></td>
<td>
<img width="100" src="data:<?php echo $row['tipo']; ?>;base64,<?php echo base64_encode($row['imagen']); ?>">
</td>
</tr>
<?php
}
?>
</tbody>
</table>
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
🔗 Mysql Blob: https://dev.mysql.com/doc/refman/8.0/en/blob.html
🔗 MariaDB Blob: https://mariadb.com/kb/en/blob-and-text-data-types/
🎦 Esta lista de reproducción: https://www.youtube.com/playlist?list=PLCTD_CpMeEKS2Dvb-WNrAuDAXObB8GzJ0
Codigos en gdrive: https://drive.google.com/file/d/1tQwYvfL2jiUFc6beTWkOkGmXkq5zzFw2/view?usp=sharing
Gracias por apoyar este canal: https://www.patreon.com/programadornovato?fan_landing=true
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