代码如下 | 复制代码 |
$im = imagecreatefromjpeg($_file["upload"]["tmp_name"]); //你要打水例子的图片 $watermark = imagecreatefrompng("Smiley.png"); //水印图的路径 $im_x = imagesx($im); $im_y = imagesy($im); $w_x = imagesx($watermark); $w_y = imagesy($watermark); imagecopy($im,$watermark ,$im_x-$w_x,$im_y-$w_y,0,0,$w_x,$w_y); imagejpeg($im); //可加上路径以保存有水印的图 //可以利用type判断下图片类型 //switch($_file["upload"]["type"]) //case:1 //然后用不同的函数 //imagejpeg()对应jpeg //imagegif()对应gif //imagepng()对应png imagedestroy($im); |

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