PHP uses GD library to add watermark to the page sample code_PHP tutorial

Copy code The code is as follows:

header ("Content-type: image/png");
$conn = MYSQL_connect("localhost", "root", ""); //Connect to the database
$colname_rs_article = $_GET['id']; //Get parameter id

mysql_select_db( "cms", $conn); //Execute SQL
$query_rs_article = sprintf("SELECT * FROM articles WHERE article_id = %s", $colname_rs_article);
$rs_article = mysql_query($query_rs_article, $conn) or die(mysql_error());
$row_rs_article = mysql_fetch_assoc($rs_article);
$totalRows_rs_article = mysql_num_rows($rs_article);

$image = ImageCreateTrueColor(700, 1000); // Create canvas
$bg = ImageColorAllocate($image, 255, 255, 255); //Set the background to white
ImageFill($image, 0, 0, $bg);
$text_color = ImageColorAllocate( $image, 0, 0, 0); //Set the text color to black
imagestring($image, 5, 0, 0, $row_rs_article['title'], $text_color); //Output the article title
imagestring($image, 3, 0, 20, $row_rs_article['author'], $text_color); //Output article author
imagestring($image, 4, 0, 60, $row_rs_article['content'] , $text_color); //Output article content
$logo = ImageCreateFromPNG('logo.png'); //Get watermark image
$logoW = ImageSX($logo);
$logoH = ImageSY( $logo);
ImageCopy($image, $logo, 0, 0, 0, 0, $logoW, $logoH); //Merge text image and watermark image
ImageJPEG($image); // output to browser
ImageDestroy($logo);
ImageDestroy($image);
?>

http://www.bkjia.com/PHPjc/745209.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/745209.htmlTechArticleCopy the code as follows: ?php header ("Content-type: image/png"); $conn = MYSQL_connect ("localhost", "root", ""); //Connect to the database $colname_rs_article = $_GET['id']; //Get parameters...