| <%@ 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>JSTL Functions • Trim</title> |
| </head> |
| <body bgcolor="#FFFFFF"> |
| |
| <h2>Trim</h2> |
| |
| <c:set var="s1" value="There is a castle on a cloud"/> |
| <c:set var="custId" value=" 123 "/> |
| |
| <h4>fn:trim</h4> |
| <table cellpadding="5" border="1"> |
| <tr> |
| <th align="left">Input String</th> |
| <th>Result</th> |
| </tr> |
| <tr> |
| <td> |
| <pre>${custId} (without trim)</pre> |
| </td> |
| <td><c:url value="http://acme.com/cust"><c:param name="custId" value="${custId}"/></c:url></td> |
| </tr> |
| <tr> |
| <td> |
| <pre>${custId} (with trim)</pre> |
| </td> |
| <td><c:url value="http://acme.com/cust"><c:param name="custId" value="${fn:trim(custId)}"/></c:url></td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>${fn:trim(s1)}</td> |
| </tr> |
| <tr> |
| <td> |
| <pre> 3 spaces before and after </pre> |
| </td> |
| <td> |
| <pre>${fn:trim(" 3 spaces before and after ")}</pre> |
| </td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td> ${fn:trim(undefined)}</td> |
| </tr> |
| <tr> |
| <td>empty string</td> |
| <td> ${fn:trim("")}</td> |
| </tr> |
| </table> |
| |
| </body> |
| </html> |
