SPRINGMVC Learning 14-uploading images

1. Requirements

On the Modify Product page, add the upload product image function.

Resolution of multi-part types in 2.SPRINGMVC

When you submit data for enctype= "Multipart/form-data" in a page form, you need to SPRINGMVC parse the data for the multipart type.

Configure the multipart type resolver in Springmvc.xml.

3. Add a jar to upload a picture

4. Create picture virtual directory store picture

Through the graphical interface configuration:

You can also modify the configuration of Tomcat directly:

In the Conf/server.xml file, add the virtual directory:

Note: In the picture virtual directory, you must create a picture catalog rating (improve I/O performance), generally we use the date (year, month, day) to create the hierarchy.

5. Upload the image code

A. Page

B.controller method

SPRINGMVC Learning 14-uploading images