searchroster.jsp

来自「100多M的J2EE培训内容」· JSP 代码 · 共 84 行

JSP

84 行

<%@ page contentType="text/html; charset=GBK" %>
<%@ page language="java" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.util.*" %>
<%@ page import="javax.ejb.ObjectNotFoundException" %>
<%@ page import="javax.naming.InitialContext" %>
<%@ page import="cmpsample.*" %>

<html>
<head><title>Chapter 11 CMP 2.0 Sample Example  </title></head>
<body bgcolor="white">
<center>
<h2>Chapter 11 CMP 2.0 - RosterEJB - Search for a roster entity</h2>

Search for a Roster:
<p>
    <form method="get" action="/WebApp/searchRoster.jsp">
    Search by
    <select name="searchCriteria">
      <option value="rosterID" selected>Roster ID
      <option value="scheduleID">schedule ID
      <option value="studentID">Student ID
    </select>
    <input type="text" name="searchText" size="25">
    <p>
    <input type="submit" value="Search">
    </form>

<%
String text = request.getParameter("searchText");
String criteria = request.getParameter("searchCriteria");

if (text != null && !"".equals(text)) {
    try {
        InitialContext ic = new InitialContext();
        Object o = ic.lookup("Roster");
        RosterHome home = (RosterHome) o;

        Collection Rosters = new ArrayList();
        if ("rosterID".equals(criteria)) {
          try {
            Roster roster = home.findByPrimaryKey(text);
            Rosters.add(roster);
          } catch (ObjectNotFoundException ex) {}
        }
        else if ("scheduleID".equals(criteria)) {
          Rosters = home.findByScheduleID(text);
        }
        else if ("studentID".equals(criteria)) {
          Rosters = home.findByStudentID(text);
        }
        else {
        }


%>
Results: <%=Rosters.size()%><p>
<%
	Iterator it = Rosters.iterator();
	while(it.hasNext())
	{
	Roster rost = (Roster) it.next();
%>
<p>
<b> Roster Information </b><br>
RosterID: <%=rost.fetchRosterID()%>
ScheduleID: <%=rost.fetchScheduleID()%>
StudentID: <%=rost.fetchStudentID()%>
<p>
<%
     }
    } catch(Exception e) {
        e.printStackTrace();
        out.println(e.toString());
    }
}
%>

<hr>
[<a href="/WebApp/index.html">HOME</a>]
</center>
</body>
</html>

searchroster.jsp - 源码说明

本页面展示了「100多M的J2EE培训内容」中的 searchroster.jsp 源码文件，采用 JSP 编程语言编写，共 84 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫下载站收录了大量与J2EE相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C

搜索代码Ctrl + F

全屏模式F11

增大字号Ctrl + =

减小字号Ctrl + -

显示快捷键?