collections.jsp

来自「JSP2.0实用教程实例源码」· JSP 代码 · 共 31 行

JSP
31
字号
<%@ page contentType="text/html;charset=GBk" import="java.util.*"%>
<HTML>
<HEAD>
<TITLE>EL访问集合</TITLE>
</HEAD>
<BODY>
<%  //定义数组
    String[] firstNames = { "龙", "萍", "杨" };
    //定义List
    ArrayList lastNames = new ArrayList();
    lastNames.add("陈");
    lastNames.add("邓");
    lastNames.add("于");
    //定义Map
    HashMap roleNames = new HashMap();
    roleNames.put("volunteer", "志愿者");
    roleNames.put("missionary", "工作人员");
    roleNames.put("athlete", "运动员");
    //使用request对象保留上面的定义
    request.setAttribute("first", firstNames);
    request.setAttribute("last", lastNames);
    request.setAttribute("role", roleNames);
%>
<h2>EL访问集合</h2>
<UL>
  <LI>${last[0]}${first[0]}: ${role["volunteer"]}
  <LI>${last[1]}${first[1]}: ${role["athlete"]}
  <LI>${last[2]}${first[2]}: ${role["missionary"]}
</UL>
</BODY></HTML>

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