[英]How to upload base64 encoded image to server
我有jquery插件,该插件以我要存储在服务器中的base 64编码格式发送图像
这是我尝试过的
$post = json_decode($_POST['file'], true); $data = $post['output']['image'];
$data = str_replace('data:image/png;base64,', '', $data);
$data = str_replace(' ', '+', $data);
$data = base64_decode($data);
require('/home/example/public_html/files/image/class.upload.php');
$code = md5(time());
$handle = new upload($data);
if ($handle->uploaded) {
$handle->file_new_name_body = "$code";
$handle->mime_check = true;
$handle->allowed = array('image/*');
$handle->image_convert = 'jpg';
$handle->jpeg_quality = 70;
$handle->image_resize = true;
$handle->image_x = 600;
$handle->image_ratio_y = 600;
$handle->process('/home/example/public_html/files/blog/img/');
if ($handle->processed) {
$file_name = $handle->file_dst_name;
} else {
echo "error";
}
}
我上面的代码图像上载类适用于每张图像,但是我无法上载base 64编码图像,我该如何实现
您使用的上载类不支持直接将base64输入。 最好使用此方法将临时版本保存到目录中,然后使用该类执行所需的操作,然后将其删除:
$data = str_replace('data:image/png;base64,', '', $data);
$data = str_replace(' ', '+', $data);
$data = base64_decode($data);
require('/home/example/public_html/files/image/class.upload.php');
$code = md5(time());
$write_dir = "/home/example/public_html/files/blog/img/";
$temp_code = "temp_".$code;
$ifp = fopen($write_dir.$temp_code, "wb");
fwrite($ifp, $data);
fclose($ifp);
$handle = new upload($write_dir.$temp_code);
if ($handle->uploaded) {
$handle->file_new_name_body = "$code";
$handle->mime_check = true;
$handle->allowed = array('image/*');
$handle->image_convert = 'jpg';
$handle->jpeg_quality = 70;
$handle->image_resize = true;
$handle->image_x = 600;
$handle->image_ratio_y = 600;
$handle->process($write_dir);
if ($handle->processed) {
$file_name = $handle->file_dst_name;
unlink($write_dir.$temp_code);
} else {
echo "error";
}
}
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