JSTL聊天 : 聊天室 « JSTL « Java 教程

En
Java 教程
1. 语言基础
2. 数据类型
3. 操作符
4. 流程控制
5. 类定义
6. 开发相关
7. 反射
8. 正则表达式
9. 集合
10. 线
11. 文件
12. 泛型
13. 本土化
14. Swing
15. Swing事件
16. 二维图形
17. SWT
18. SWT 二维图形
19. 网络
20. 数据库
21. Hibernate
22. JPA
23. JSP
24. JSTL
25. Servlet
26. Web服务SOA
27. EJB3
28. Spring
29. PDF
30. 电子邮件
31. 基于J2ME
32. J2EE应用
33. XML
34. 设计模式
35. 日志
36. 安全
37. Apache工具
38. 蚂蚁编译
39. JUnit单元测试
Java
Java 教程 » JSTL » 聊天室 
24. 36. 1. JSTL聊天
<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>&#160;</p>
    </form>

    <P>
      <i>Note: You may use any User ID you wish</i>
    </p>
  </body>
</html>
<%@ 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>
  Download:  JSTLBasedChat.zip( 1,226 k)
24. 36. 聊天室
24. 36. 1. JSTL聊天
www.java2java.com | Contact Us
Copyright 2010 - 2030 Java Source and Support. All rights reserved.
All other trademarks are property of their respective owners.