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How to quickly generate JSP files

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Release： 2024-02-01 08:24:07

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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" %>

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Add the following code in the middle of the text file:

<html>
<head>
<title>Hello JSP</title>
</head>
<body>
<h1>Hello JSP</h1>
</body>
</html>

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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" %>

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Add the following code in the middle of the text file:

<html>
<head>
<title>Hello JSP</title>
</head>
<body>
<h1>Hello JSP</h1>
</body>
</html>

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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.

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