Spring MVC file upload and download examples

Upload and download spring MVC files as follows:

(1) Import jar package: ant jar、commons-fileupload. jar、connom-io. jar。

(2) In Src / context / dispatcher Add to XML

Note that you need to add content to the header, as shown below:

(3) Add the tool class fileoperateutil java

It can be used completely without changing this class. Note that it is set in this class to place the uploaded file under webcontent / uploaddir.

(4) Add fileoperatecontroller Java

Please change the download method by yourself. If you use the database to save the information of uploaded files, please refer to the spring MVC integration mybatis instance.