asp.net PC端canvas签名插件(带保存功能)

<?php preg_match('#^data:image/(\w+);base64,(.+)#', $_POST['data'], $result); $type = $result[1];//图片类型 $data = base64_decode($result[2]);//解码图片数据 $time = time(); $file = "{$time}.{$type}";//图片存储名称 file_put_contents($file, $data);//保存图片 //显示图片 header('Content-Type:image/png'); echo $data;