Java Learning-jsp Page composition

The main components are:

1. Static content

2. Directives

Page directive: At the top of the page, a page can have multiple page directives.

<%@ Page Property 1 = "" Property 2 = "Property 3=" "%>

Common Properties, language specifies the scripting language used by the current JSP page, which is Java by default. Import references the class library to which the script is used. CONTEXTTYPE Specifies the encoding method. The default value is Text/html,iso-8859-1. Pageencoding page encoding, proposed to modify into ContentType.

Include directive: introduce an external file into the current JSP file and parse the JSP statement for the current page.

TAGLIB directive: Define a custom tag library to use in the JSP.

3. Expressions

4. Small script

Executable Java code. Write in the label <% Java code%>

5. Disclaimer

Define variables or methods. <%! Java Code%>

6. Notes

First, <!--comment Content--HTML comment, client visible

Second, <%--comment content--%> JSP comment, client not visible

Third,//single-line comment/* Comment content */Multiline comment client not visible

Java Learning-jsp Page composition