jstl:我用的tomcat4 程序中用到了jstl，但是不知道怎么配，运行这段带有jstl的程序时出错。

Question

我也做这方面的，
我还没有动手呢。

Answer 1

没看你的functions.tld文件,估计配置不对,检查检查,给你个例子:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<taglib xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee web-jsptaglibrary_2_0.xsd"
    version="2.0">
  <tlib-version>1.0</tlib-version>
  <jsp-version>1.2</jsp-version>
  <short-name>function</short-name>
  <uri>http://hellking.com/function</uri>
  <display-name>JSTL sql RT</display-name>
  <description>my function</description>  
   <function>
  <name>getRandomId</name>
  <function-class>com.jspdev.util.RandomId</function-class>
  <function-signature>java.lang.String getRandomId(int)</function-signature>
  </function> 
   <function>
  <name>removeItemById</name>
  <function-class>com.jspdev.util.CartFunction</function-class>
  <function-signature>boolean removeItemById(com.jspdev.cart.Cart,java.lang.String)</function-signature>
  </function> 
   <function>
  <name>addItem</name>
  <function-class>com.jspdev.util.CartFunction</function-class>
  <function-signature>boolean addItem(com.jspdev.cart.Cart,com.jspdev.vo.Item,boolean)</function-signature>
  </function> 
   <function>
  <name>clear</name>
  <function-class>com.jspdev.util.CartFunction</function-class>
  <function-signature>boolean clear(com.jspdev.cart.Cart)</function-signature>
  </function> 
  <function>
  <name>updateCart</name>
  <function-class>com.jspdev.util.CartFunction</function-class>
  <function-signature>boolean updateCart(com.jspdev.cart.Cart,java.lang.String,int)</function-signature>
  </function> 
<function>
  <name>add</name>
  <function-class>com.jspdev.ch16.Function</function-class>
  <function-signature>int add(int,int)</function-signature>
  </function> 
  <function>
  <name>trans</name>
  <function-class>com.jspdev.ch16.Function</function-class>
  <function-signature>java.lang.String trans(java.lang.String)</function-signature>
  </function> 
<function>
  <name>formatPer</name>
  <function-class>com.jspdev.ch16.PerUtil</function-class>
  <function-signature>java.lang.String formatPer(float)</function-signature>
  </function> 
 
</</taglib>配置web.xml:
       <taglib>
        <taglib-uri>http://hellking.com/function</taglib-uri>
        <taglib-location>/WEB-INF/functions.tld</taglib-location>
    </taglib>

Answer 2

你这个例子和我书上的一样，晕了。