JSP由浅入深(7)―― JSP Directives_MySQL-Mysql Tutorial-php.cn

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JSP由浅入深(7)―― JSP Directives_MySQL

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Jun 01, 2016 pm 02:08 PM

directiveimportpageCan

　　在前面的教程中，我们已经使用了java.util.Date。可以有人就会问：为什么不只使用import java.util.*呢？其实，在JSPs中也可以使用import语句，但是它的语法跟普通的Java是有些差别的。下面给出一个例子：

System.out.println( "Evaluating date now" );

Date date = new Date();

%>

Hello! The time is now

上面的代码中第一行我们调用了一个“directive”。这个JSP“directive”是以

在"page directive"中可以有多个JSP directives。除了"page directive"以外，其它有用的directives有include 和 taglib。在后面的教程中我们再对taglib进行详细的讨论。这里只讨论include directive。

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