Analysis of the usage of rtexprvalue attribute in JSP custom tag
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Java
This article describes the JSP custom tag rtexprvalue attribute as an example. Share with you for your reference. The details are as follows:
In fact, I've written custom labels before, but I haven't noticed the usage of < rtexprvalue >. I've used custom labels again these days, and suddenly found that the usage of < rtexprvalue > is exquisite
The full name of rtexprvalue is run time expression value, which is used to indicate whether JSP expressions can be used
When < rtexprvalue > true < / rtexprvalue > is specified in the < attribute > tag, the value of an attribute of the custom tag can be specified directly or through dynamic calculation,
Examples are as follows:
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