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

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

Dec 10, 2024 pm 09:55 PM

How Can I Store and Retrieve Images in a MySQL Database Using PHP?

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

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

1??: MySQL ?????? ??

? ?? ???? ??? ??? ?? MySQL ???? ????.

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 ''
);

2??: ??? ?? ??????

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

$imgData = file_get_contents($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);

3??: ???????? ??? ??

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

$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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