How to quickly generate JSP files
How to quickly create JSP files
JSP (JavaServer Pages) is a Java-based server-side scripting technology used to create dynamic Web page. JSP files have a .jsp extension and can contain HTML, XML, Java code and JSP tags.
How to create a JSP file
- Use a text editor to create a new text file.
- Add the following code at the beginning of the text file:
<%@ page language="java" contentType="text/html" pageEncoding="UTF-8" %>
- Add the following code in the middle of the text file:
<html> <head> <title>Hello JSP</title> </head> <body> <h1 id="Hello-JSP">Hello JSP</h1> </body> </html>
- Save the text file as a .jsp file.
- Upload the .jsp file to the web server.
- Enter the URL of the .jsp file in the browser.
Example
The following is an example of creating a JSP file:
- Use a text editor to create a new text file.
- Add the following code at the beginning of the text file:
<%@ page language="java" contentType="text/html" pageEncoding="UTF-8" %>
- Add the following code in the middle of the text file:
<html> <head> <title>Hello JSP</title> </head> <body> <h1 id="Hello-JSP">Hello JSP</h1> </body> </html>
- Save the text file as hello.jsp.
- Upload the hello.jsp file to the web server.
- Enter http://localhost:8080/hello.jsp in the browser.
JSP tag
JSP tag is used to insert dynamic content in JSP files. JSP tags start with and end with <code>%>.
The following are some commonly used JSP tags:
-
: used to set the language, content type and page of the JSP file coding. -
: used to include another JSP file. -
: used to import a JSP tag library. -
: used to execute Java code. -
: Used to output the value of a Java expression or variable. -
<usebean></usebean>: Used to create or find a JavaBean. -
<setproperty></setproperty>: Used to set the properties of JavaBean. -
<getproperty></getproperty>: Used to obtain the properties of JavaBean. -
<forward></forward>: Used to forward the request to another JSP file. -
<include></include>: Used to include the content of another JSP file into the current JSP file.
The structure of JSP application
JSP application usually consists of the following parts:
- JSP file: For creating dynamic web pages.
- JavaBean: used to encapsulate data and business logic.
- Servlet: used to process requests and responses.
- JSP tag library: used to provide customized JSP tags.
JSP application development tools
The following are some commonly used JSP application development tools:
- Eclipse
- IntelliJ IDEA
- NetBeans
- JDeveloper
Deployment of JSP applications
JSP applications can Deploy to the following types of web servers:
- Apache Tomcat
- Jetty
- GlassFish
- WildFly
Security of JSP applications
The security of JSP applications mainly includes the following aspects:
- Authentication: used to verify the identity of the user .
- Authorization: used to control user access rights to resources.
- Data encryption: used to protect data from illegal access.
- Security logging: used to record security events.
Performance optimization of JSP applications
Performance optimization of JSP applications mainly includes the following aspects:
- Cache : Used to cache frequently accessed data.
- Compression: Used to compress HTTP responses.
- Load balancing: used to distribute requests to multiple servers.
- Optimize database query: Used to reduce database query time.
The above is the detailed content of How to quickly generate JSP files. For more information, please follow other related articles on the PHP Chinese website!
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