Home > Common Problem > What is the syntax structure of JSP?

What is the syntax structure of JSP?

小老鼠
Release: 2024-01-19 17:52:12
Original
1443 people have browsed it

The main elements of the JSP syntax structure include instructions, scripts, expressions, actions and comments. These elements together form the grammatical structure of JSP, allowing developers to embed Java code in HTML pages to achieve the function of dynamically generating content.

What is the syntax structure of JSP?

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

JSP (JavaServer Pages) is a technology for creating dynamic web pages that allows developers to embed Java code in HTML pages. The syntax structure of JSP includes the following main elements:

  1. Instructions: Instructions wrapped in <%@ %> tags are used to set page attributes and import classes. , define tag library, etc. For example: <%@ page language="java" %>

  2. ##Script: Use the Java code block wrapped in the <% %> tag to Used to write Java code, define variables, perform process control, etc. For example: <% int count = 0; %>

  3. Expression: an expression wrapped in the <%= %> tag, used for Print the value of a variable or expression on the page. For example: <%= count %>

  4. Action: Use jsp:... tags to make action calls, used to perform various operations, such as containing Other pages, forwarding requests, etc. For example:

  5. ## Note: Use the <%-- --%> tag Annotations are used to add annotation content in JSP pages.

#These elements together form the grammatical structure of JSP, allowing developers to embed Java code in HTML pages to achieve the function of dynamically generating content.

The above is the detailed content of What is the syntax structure of JSP?. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template