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2025-09-20 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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JSP what is the difference between the two kinds of include, many novices are not very clear, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.
There are two kinds of include in jsp, one is, the other is
About the first kind:
1. This is a Driective instruction, a compilation instruction, an instruction during compilation, is statically included, that is, the specified JSP page or HTML page is included, and the whole page is compiled together.
two。 You cannot pass parameters in the include directive. If it is illegal, you can only pass parameters on the URL address bar after running the JSP page.
3. If there is an instruction in the current page, the instruction in the included page xxx.jsp cannot have the same element as the instruction in the current page, otherwise an error will be reported.
About the second kind:
1. This is an Action directive that dynamically contains JSP programs or HTML pages.
two。 Unless the instruction is run to, it will not be compiled by JSP Engine such as Tomcat
3. You can carry parameters. The code is as follows:
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