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使用PHP上传(二进制)图片到数据库,然后在提取出来

CREATE TABLE ccs_image ( id int(4) unsigned NOT NULL auto_increment, description varchar(250) default NULL, bin_data longblob, filename varchar(50) default NULL, filesize varchar(50) default NULL, filetype varchar(50) default NULL, PRIMARY KEY (id))engine=myisam DEFAULT charset=utf8

upimage.php

运行一直都是请求失败,请重试

<?php

header("Content-type:text/html;charset=utf8");

if (isset($_POST['submit'])) {

  $form_description = $_POST['form_description'];

  $form_data_name = $_FILES['form_data']['name'];

  $form_data_size = $_FILES['form_data']['size'];

  $form_data_type = $_FILES['form_data']['type'];

  $form_data = $_FILES['form_data']['tmp_name'];

  

  $servername = "localhost";

$username = "root";

$password = "root";

$dbname = "test";

  $conn = mysqli_connect($servername, $username, $password, $dbname);

 

if(! $conn )

{

    die("数据库连接失败" . mysqli_error());

}else{

echo '数据库连接成功!';}

  /* echo "<script>alert('提示内容')</script>";*/

$data = addslashes(fread(fopen($form_data, "r"), filesize($form_data)));

  //echo "mysqlPicture=".$data;


$sql="insert into sss values('".$data."','');";


  $result = $conn->query("INSERT INTO ccs_image (description,bin_data,filename,filesize,filetype)

         VALUES ('".$form_description."','".$data."','".$form_data_name."','".$form_data_size."','".$form_data_type."')");

      

  if ($result) {

    echo "图片已存储到数据库";

  } else {

    echo "请求失败,请重试";}}

    ?>

upimage.html

<!doctype html>

<html>

<head>

  <meta charset="UTF-8">

  <meta name="viewport"

     content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">

  <meta http-equiv="X-UA-Compatible" content="ie=edge">

  <style type="text/css">

    *{margin: 1%}

  </style>

  <title>Document</title>

</head>

<body>

<form method="post" action="upimage.php" enctype="multipart/form-data">

  描述:

  <input type="text" name="form_description" size="40">

  <input type="hidden" name="MAX_FILE_SIZE" value="1000000"> <br>

  上传文件到数据库:

  <input type="file" name="form_data" size="40"><br>

  <input type="submit" name="submit" value="submit">

</form>

</body>

</html>


getimage.php

<?php

  $id =2;// $_GET['id']; 为简洁,直接将id写上了,正常应该是通过用户填入的id获取的

  $dsn='mysql:dbname=test;host=localhost';

  $pdo=new PDO($dsn,'root','root');

  $query = "select bin_data,filetype from ccs_image where id=2";

  $result = $pdo->query($query);

  $result=$result->fetchAll(2);

//  var_dump($result);

  $data = $result[0]['bin_data'];

  $type = $result[0]['filetype'];

  Header( "Content-type: $type");

  echo $data;

  ?>

有人可以给我个完整代码吗 

慕仰6228704
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