如何做到預覽pdf但不允許下載
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ringa_lee
Make a shell to parse the content of PDF and display it on the web page. No link to the original pdf is provided.
Otherwise, as long as there is a direct pdf link, it can always be downloaded.
Convert pdf to pictures and add watermarks. Forehead.
php using imagick
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
