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What is the use of jsp?

藏色散人
藏色散人Original
2019-05-22 18:08:4410735browse

JSP is a Java servlet, a dynamic web development technology, mainly used to implement the user interface part of Java web applications; it can obtain user input data through web forms, access databases and other data sources, and then Create web pages dynamically.

What is the use of jsp?

The full name of JSP is Java Server Pages, which is a dynamic web development technology. It uses JSP tags to insert Java code in HTML web pages. Tags usually start with <% and end with %>.

What is the use of jsp?

JSP is a Java servlet, mainly used to implement the user interface part of Java web applications. Web developers write JSPs by combining HTML code, XHTML code, XML elements, and embedded JSP actions and commands.

JSP can obtain user input data through web forms, access databases and other data sources, and then dynamically create web pages.

JSP tags have a variety of functions, such as accessing databases, recording user selection information, accessing JavaBeans components, etc., and can also transfer control information and shared information in different web pages.

JSP programs have similar functions to CGI programs, but compared with CGI programs, JSP programs have the following advantages:

The performance is superior because JSP can be directly Dynamically embed elements in HTML web pages without the need to reference CGI files separately. The server calls the compiled JSP file, unlike CGI/Perl, which must first load the interpreter and target script. JSP is based on the Java Servlet API. Therefore, JSP has a variety of powerful enterprise-level Java APIs, including JDBC, JNDI, EJB, JAXP, etc. JSP pages can be used with Servlets that handle business logic. This mode is supported by the Java servlet template engine.

Finally, JSP is an integral part of Java EE and is a complete enterprise-level application platform. This means that JSP can implement the most complex applications in the simplest way.

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