Ask for a SQL combined with servlet for a high score expert help .

What do you think about the products in the list and the cart in the session.

Put the item in the list, and then put the list in the session.

You can read the things in the session when you check it.

Hehe, I'm learning that, too, but I'm not going to borrow you to get some points.

In the case of J2SE, it is recommended to use the MVC format. In this way, you can also exercise the ability to use JSP. It's not good to just be a servlet. After all, it's not a presentation layer.

string sql = insert into message(name,title,value)values("Excitant clear +name+",title+",value+")

This statement should be filled with single quotation marks in the place of the input value according to the type of the input value, if it is of the string type, it is: string sql = insert into message(name,title,value)values('(Single quote Changyun number)."+name+"'Single quotes),'Single quotes),"+title+"'single quotes), (single quotes).'"value+"'Single quotes),"

at try {

In the middle of these two sentences, take a look at the SQL background output.

There is no difference in the 2005, 2008 configurations. 2005, 2008 are just different versions. And it's just that many details are different, and there is no difference in the big aspects.

How to say give a link for you to see, I hope it will help you!

A large database, a medium-sized database...

Handful. JDBC and SQLSer swap for a loss of one location.

You can see if you can get the address of the early database.

There is no way to cheat on databasemetadata in the API.

The problem is simple, you can't do it without a table structure.

Null pointer exception.

Check the ** of other parts of the program, and the SQL statement that is not executed is reporting an error.

Servlet statement looks like it should be.

select count.* from user