帮助Java程序（Swing +数据库）

Question

Could somebody give me a suggestion on how to simply and effectively make GUI representation of directories which are contained inside the database. Now, getting information using SQL queries is one thing. I can do that. In fact using separate small examples I can put a file inside the database along with his information and I can get the file out of the database. The thing is I was just doing this without GUI, just to test does it work.

Now I need a GUI of this and I really don't know where to start. DO I use JTable, JList or something third? Also, I think I need an multidimensional array because I have, for example, id of a file, name_of_file and size.

So I need different types to put them in: int, String and int. Also, I need to obviously hide the id of a file from the user yet keep it at the same time in order to be able to reference it.

How do I hide it in a GUI component?

So, let's say that I have a database table for files with these columns: id, name, size, binary_of_file.

My real table has a bit more of columns like, id of a parent directory, id of a owner, etc. but for now this is not important.

So, I tell database to give me all info about the file (except it's binary because I just want to list the files):

...
ResultSet rs = statementObject.executeQuery("SELECT id, name, size FROM Files;");
while(rs.next()){
    //Where do I store the values in? Which GUI component and how?
...

I guess I need an JPanel that will contain this component that will show my files from the database. What component? Please help!

Answer 1

It sounds like you want to use a JTable, it has a TableModel interface that you can implement to adapt to your resultset.

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Also follow the link at the top of the docs. to Creating a Table Model .

Answer 2

Perhaps a combined JList / JTable component would fit this need.

That is a screen shot of the GUI of FileBro .

My idea is that the JTree on the left would represent the 'directories' and table (names) of the DB. The JTable on the right would contain the data of the selected table. Change the Locate Open Edit Print buttons for Create Update Delete and the panel below that to show details of records, and it would be the start of a DB CRUD component.