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| 简单的聊天应用 |
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//File: index.html
<html>
<head>
<meta http-equiv="Content-Language" content="en-us" />
<title>Simple Chat Application</title>
</head>
<body>
<form action="main.jsp">
<table border="1" cellpadding="0" cellspacing="0"
style="border-collapse: collapse" bordercolor="#111111"
width="33%" id="AutoNumber1">
<tbody>
<tr>
<td width="100%" colspan="2" bgcolor="#0000FF">
<p align="center">
<b>
<font size="4" color="#FFFFFF">Chat Login</font>
</b>
</p>
</td>
</tr>
<tr>
<td width="23%">User ID</td>
<td width="77%">
<input type="text" name="uid" size="20" />
</td>
</tr>
<tr>
<td width="100%" colspan="2">
<p align="center">
<input type="submit" value="Submit"
name="action" />
<input type="reset" value="Reset" />
</p>
</td>
</tr>
</tbody>
</table>
<p> </p>
</form>
<p>
<i>Note: You may use any User ID you wish</i>
</p>
</body>
</html>
//File: main.jsp
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<html>
<head>
<title>Chat Joined</title>
</head>
<body>
<c:if test="${pageContext.request.method=='POST'}">
<c:choose>
<c:when test="${param.send!=null}">
<c:set var="chat"
value="${chat}<b>${param.uid}:</b>${param.text}<br />"
scope="application" />
</c:when>
<c:when test="${param.clear!=null}">
<c:set var="chat" value="" scope="application" />
</c:when>
</c:choose>
</c:if>
<table border="0">
<tbody>
<tr>
<td>
<h3>User:
<c:out value="${param.uid}" />
</h3>
<hr />
</td>
</tr>
<tr>
<td>
<c:out value="${chat}" escapeXml="false" />
</td>
</tr>
<tr>
<td>
<hr />
<form method="post">Message:
<input type="text" name="text" size="20" />
<input type="submit" name="send" value="Send" />
<input type="submit" name="refresh" value="Refresh" />
<input type="submit" name="clear" value="Clear" />
<input type="hidden" name="uid"
value="<c:out value="${param.uid}"/>" />
<br />
</form>
</td>
</tr>
</tbody>
</table>
</body>
</html>
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 JSTL-BasedChatRoom.zip( 853 k) |
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