Servlet realizes file download function

This example shares the specific code of servlet file download for your reference. The specific contents are as follows

It is not safe to expose the file directory directly to the user. So we need to use servlets, and in this way, the storage methods of files will be richer. They can be obtained from the file system, calculated and generated in the database, or from other strange places.

web. xml

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.