MySQL, JavaBeans and File Upload

Download war file dbjavabean.war from the http://douap.uap.asia

Required Libraries in WEB-INF/lib folder

Digesting the JSP files.

File index.jsp

Eclipse path for the upload Note that the upload code is included Change \ to / Replace the Eclipse path with the actual deployment path in Tomcat

Using the MyDB.java class

File MyDB.java Get only one record Store the values in a HashMap Values are of type String

public HashMap<?,?> getMap() Reading HashMap in index.jsp Set record id in MyDB bean From public HashMap<?,?> getMap()

Code of HashMap and ArrayList

Flow

Get more than one record HashMap in an ArrayList Refresh content

Reading ArrayList in index.jsp The Hashmap ArrayList

File upload.jsp Includes image resize, database, and upload.

Value of path is from index. jsp. Set it right before uploading Value of path is from index.jsp. Set it right before uploading. Check for file permissions.

Understanding what is passed by the form name and value pairs of the form

Retrieve the file and store it in the hard drive based on the path

For thumbnails, resizing the file based on the size Store in the database

Update database

File slideshow.jsp Variable start dictates what the next image to show Get all images,

Get one image

Test Upload using Eclipse Tomcat

Refresh Project Explorer to show the uploaded file. Refresh page to reflect the uploaded image

Study the code. Recode the your menu using JavaBean.