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? ??? ??? MySQL ???? PHP? ???? MySQL ???????? ???? ???? ???? ??? ??????

PHP? ???? MySQL ???????? ???? ???? ???? ??? ??????

Dec 27, 2024 pm 06:21 PM

How to Insert and Retrieve Images from a MySQL Database Using PHP?

PHP? ???? MySQL?? ??? ?? ? ??

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???? ??? ???? ??? ? ???? ??? ???? MySQL ???????? PHP?

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PHP? ???? MySQL? ???? ???? ????? ?? ??? ????.

MySQL ??? ???:
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CREATE TABLE testblob (
    image_id        TINYINT(3)  NOT NULL DEFAULT '0',
    image_type      VARCHAR(25) NOT NULL DEFAULT '',
    image           BLOB        NOT NULL,
    image_size      VARCHAR(25) NOT NULL DEFAULT '',
    image_ctgy      VARCHAR(25) NOT NULL DEFAULT '',
    image_name      VARCHAR(50) NOT NULL DEFAULT ''
);

??? ??:
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$imgData = file_get_contents($filename);
$size = getimagesize($filename);
mysql_connect("localhost", "$username", "$password");
mysql_select_db ("$dbname");
$sql = sprintf("INSERT INTO testblob
    (image_type, image, image_size, image_name)
    VALUES
    ('%s', '%s', '%d', '%s')",
    mysql_real_escape_string($size['mime']),
    mysql_real_escape_string($imgData),
    $size[3],
    mysql_real_escape_string($_FILES['userfile']['name'])
    );
mysql_query($sql);

??? ??:
??? ??????? ???? ????? ???:

$link = mysql_connect("localhost", "username", "password");
mysql_select_db("testblob");
$sql = "SELECT image FROM testblob WHERE image_id=0";
$result = mysql_query("$sql");
header("Content-type: image/jpeg");
echo mysql_result($result, 0);
mysql_close($link);

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