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fn:split(string, separator) 具体使用方法

2013-10-15 12:59 483 查看

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>

<html>
<head>
<title>Example fn:split and fn:join tag of JSTL</title>
</head>
<body>
<c:set var="str1" value="This is first string"/>
<c:set var="str2" value="This|is|second|string"/>
<c:set var="str3" value="This|is+third*string"/>

<h4>tag fn:split(Here we will split the given string in
to array of string on the <br>basis of given delimeter)</h4>
<table width="50%" border="1">
<tr>
<th>Input String</th>
<th>Delimiter(s)</th>
<th>After split</th>
</tr>
<tr>
<td>${str1}</td>
<td>white space</td>
<td>
     <c:forEach var="num" items="${fn:split(str1, ' ')}">
<c:out value="${num}" />
</c:forEach>
</td>
</tr>

<tr>
<td>${str2}</td>
<td>|</td>
<td>
  <c:forEach var="num" items="${fn:split(str2, '|')}">
<c:out value="${num}" />
</c:forEach>
</td>
</tr>

<tr>
<td>${str3}</td>
<td>+|*</td>
<td>
    <c:forEach var="num" items="${fn:split(str3, '+|*')}">
<c:out value="${num}" />
</c:forEach>
</td>
</tr
</table>

<h4>tag fn:split(Here we will join the splitted array of string
in to a single string <br>with the given separator)</h4>
<table cellpadding="5" border="1">
<tr>
<th>Separator</th>
<th>After join</th>
</tr>
           <tr><c:set var="a1" value="${fn:split(str1, ' ')}" />
<td> white space</td>
                <td><c:out value="${fn:join(a1, ' ')}" /></td>
</tr>
      <tr><c:set var="a1" value="${fn:split(str2, '|')}" />
<td>|</td>
         <td><c:out value="${fn:join(a1, ' | ')}" /></td>
</tr>
      <tr><c:set var="a1" value="${fn:split(str3, '|+*')}" />
<td>***</td>
             <td><c:out value="${fn:join(a1, ' *** ')}" /></td>
</tr>
</table>
</body>
</html>

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