Build URL with Parameters : URL « JSTL « Java Tutorial

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Java Tutorial » JSTL » URL 
24.30.1.Build URL with ParametersPrevious/Next
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>

<c:set var="originalURL" value="http://localhost:8080/chapter05/core/url/url.jsp" />

<html>
  <head>
    <title>the c:url action </title>
  </head>
  <body>
    This page takes values that you specify, and forwards them to another JSP.
    That JSP will create a URL to another page, that then extracts the
    parameters and displays them.
    <p />
      <form action="createURL.jsp" method="post">
        <table>
          <tr><td>Enter name:</td>
              <td><input type="text" name="name"   /></td></tr>
          <tr><td>Enter age:</td>
              <td><input type="text" name="age"    /></td></tr>
          <tr><td>Enter gender:</td >
              <td><input type="text" name="gender" /></td></tr>
        </table>
        <input type="submit" value="Submit details" />
      </form>
  </body>
</html>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>

<html>
  <head>
    <title>the c:url action (3)</title>
  </head>
  <body>
    <h3>List of query string parameters:</h3>
    <ul>
      <c:forEach items="${param}" var="currentParam">
        <li><c:out value="${currentParam.key}" />
            = <c:out value="${currentParam.value}" /></li>
      </c:forEach>
    </ul>
 </body>
</html>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>

<c:url value="displayValues.jsp" var="displayURL">
  <c:param name="nameParam"   value="${param.name}" />
  <c:param name="ageParam"    value="${param.age}" />
  <c:param name="genderParam" value="${param.gender}" />
</c:url>

<html>
  <head>
    <title>the c:url action (2)</title>
  </head>
  <body>
    This page receives the values you specified, and creates a URL that contains
    them.
    <p />
    The generated URL is <c:out value="${displayURL}" />. <p/>
    Click <a href='<c:out value="${displayURL}" />'>here</a> to view the it.
  </body>
</html>
  Download:  JSTLBuildURLWithParameters.zip( 1,023 k)
24.30.URL
24.30.1.Build URL with Parameters
24.30.2.Build Custom Tag Based On JSTL
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