1.文档目录如上图所示。
2.前台代码：’
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <form name='frm' method='post' action='upload.php' enctype="multipart/form-data"> <table width="50%" border="2" align="center" rules="all" cellpadding="10"> <tr> <th colspan="2">请输入信息</th> </tr> <tr> <th>选择上传图片</th> <th><input type="file" name="upload"></input></th> </tr> <tr> <th colspan="2"><input type="submit" name="submit" value="提交"></input></th> </tr> </table> </form> </body> </html>
php代码：
<?php header('content-type:text/html;charset=utf-8'); if (isset($_POST['submit'])) { //临时文件 $filename = $_FILES['upload']['tmp_name']; //目标文件路径及文件名 $path = './upload'; @mkdir($path); $destination = $path.'/'.date('YmdHis').'.jpg'; if(move_uploaded_file($filename, $destination)){ //水印文字开始 $image = imagecreatefromjpeg($destination); //第二步 $color = imagecolorallocatealpha($image, 200, 100, 0,mt_rand(10,100)); //0-127 $size = 30; $angle = 45; $x = 15; $y = 335; $fontfile = './sucai/hanyi.ttf'; $string = '制作图像文字水印效果'; imagettftext($image, $size, $angle, $x, $y, $color, $fontfile, $string); //第三步,输出 imagejpeg($image,$destination); //第四步,销毁 imagedestroy($image); //水印文字结束 echo "上传成功"; }else{ echo "上传失败"; } } else { echo "<script>alert('nono');location.href='跳转页面'</script>"; } ?>
