1.JSP essentially Servlet, Servlet is designed for data display
2.JSP page by the instruction tag, HTML markup language, comments, JAVA codes, JSP action label composed of five elements constitute the basic JSP pages
3.JSP comments do not worry about exposure information, as compiled JSP comments are executed by the server
4. The Page command page
is used to define the entire JSP page related attributes in the server is parsed into a JSP Servlet it will be converted to the corresponding program code java
5.JavaBean Introduction
The HTML code java code separation, java class code is packaged into a single process in some business logic, and then calls such a JSP page, JSP pages simplification, only this time the JSP page contains html code , CSS code, etc., but JSP pages can reference Javabean components to complete some business logic
(This is written before, save for the draft, it is now made public, would add more detail later)