Possible Duplicate:
How to prevent user from downloading or saving an image?
how to create a web page that not allow the user to download or save image(contains on the that site) using php,That means i want to create a web page that allows user only viewing the image,not allow the user to save or download the image in php
如果他们能够看到自己已经掌握的浏览器中的图像,那么你可以 t。
There is no good way you can accomplish this.
你们可以添加一些 j印法,以正确点击(这实际上很容易绕过,但会阻止任何非技术性的用户和无辜的每个人)。 而仅仅节省整页就可以绕过这种方法。 在其计算机(浏览器藏匿处)观看时,图像可能已经保存。
Even if you disable browser caching, since it s transferred over the wire, they can just save the request, or look in the HTML source code for the URL and save manually.
you might watermark the images, so they cant be miss-used, but that will decrease style and usability.
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