php把上传的图保存到数据库并显示代码_PHP教程

php教程把上传的图保存到数据库教程并显示代码
// Connect to database

$errmsg = "";
if (! @mysql教程_connect("localhost","root","")) {
$errmsg = "Cannot connect to database";
}
@mysql_select_db("db1");

$q = << create table pix (
pid int primary key not null auto_increment,
title text,
imgdata longblob)
CREATE;
@mysql_query($q);

// Insert any new image into database

if ($_REQUEST[completed] == 1) {
move_uploaded_file($_FILES['imagefile']['tmp_name'],"latest.img");
$instr = fopen("latest.img","rb");
$image = addslashes(fread($instr,filesize("latest.img")));
if (strlen($instr) < 149000) {
mysql_query ("insert into pix (title, imgdata) values ("".
$_REQUEST[whatsit].
"", "".
$image.
"")");
} else {
$errmsg = "Too large!";
}
}

// Find out about latest image

$gotten = @mysql_query("select * from pix order by pid desc limit 1");
if ($row = @mysql_fetch_assoc($gotten)) {
$title = htmlspecialchars($row[title]);
$bytes = $row[imgdata];
} else {
$errmsg = "There is no image in the database yet";
$title = "no database image available";
// Put up a picture of our training centre
$instr = fopen("../wellimg/ctco.jpg","rb");
$bytes = fread($instr,filesize("../wellimg/ctco.jpg"));
}

// If this is the image request, send out the image

if ($_REQUEST[gim] == 1) {
header("Content-type: image/jpeg");
print $bytes;
exit ();
}
?>

Here's the latest picture

---

Please upload a new picture and title

Please choose an image to upload:

Please enter the title of that picture:

then: