What is jsp custom tag?

jsp custom tags implement complex and reusable functions through custom tag implementation classes, simplify jsp pages, and improve code reusability; by defining jsp tags, sql queries, Organizing data and drawing HTML tables are all implemented in the jsp tag implementation class.

The full name of JSP is Java Server Pages, and its Chinese name is java server page. It is basically a simplified Servlet design, which was initiated by Sun Microsystems. A dynamic web technology standard that many companies participate in establishing.

JSP technology is somewhat similar to ASP technology. It inserts Java program segments and JSP tags into traditional web page HTML files to form JSP files. Web applications developed with JSP are cross-platform and can run under Linux as well as other operating systems.

jsp custom tags implement complex and reusable functions through custom tag implementation classes. Simplify jsp pages and improve code reusability.

For example:

Now you need to define a data table (html table) on the page, which has the same structure as the table in the database and the same data displayed.

You can implement sql query, organize data, and draw html tables in the jsp tag implementation class by defining jsp tags.

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