$w = 80; $h = 20; $im = imagecreatetruecolor($w,$h); $textcolor = imagecolorallocate($im, 123, 12, 255); $white = imagecolorallocate($im, 255, 255, 255); $grey = imagecolorallocate($im, 128, 128, 128); $black = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 399, 29, $grey); //画一矩形并填充 // 把字符串写在图像左上角 imagestring($im, 3, 2, 3, "Hello world!", $textcolor); // 输出图像 header("Content-type: image/jpeg"); imagejpeg($im); imagedestroy($im); 图片水印 $groundImg = "DSC05940.jpeg"; $groundInfo = getimagesize($groundImg); $ground_w = $groundInfo[0]; //print_r($groundInfo); $ground_h = $groundInfo[1]; switch($groundInfo[2]){ case 1: $ground_im = imagecreatefromgif($groundImg); break; case 2: $ground_im = imagecreatefromjpeg($groundImg); break; case 3: $ground_im = imagecreatefrompng($groundImg); break; } $waterImg = "DSC05949.jpeg"; $imgInfo =getimagesize($waterImg); $water_w = $imgInfo[0]; $water_w = $imgInfo[1]; switch($imgInfo[2]){ case 1: $water_im = imagecreatefromgif($waterImg); break; case 2: $water_im = imagecreatefromjpeg($waterImg); break; case 3: $water_im = imagecreatefrompng($waterImg); break; } imagecopy($ground_im,$water_im,100,100,0,0,500,500); header("Content-type: image/jpeg"); imagejpeg($ground_im);