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jsp 使用request为页面添加静态数据的实例_JSP编程_
2023-05-25 21:25:47
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简介 jsp 使用request为页面添加静态数据的实例_JSP编程_
一,在div中插入要显示的数据!
1,以下是原网页插入数据代码:
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa.[06-29]
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa.[06-29]
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa...[06-29]
- aaaaaaaaaaaaaaaaaaa[06-29]
- aaaaaaaaaaaaaaaaaaa...[06-29]
2,在src中创建servlet类:
使用request.setAttribute发送数据
public static ArrayListlist; static{ list=new ArrayList (); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); public static ArrayList listdc; static{ listdc=new ArrayList (); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); listdc.add("dcrewrwe3eeeeeeeeeeeeeeeee"); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); response.setContentType("text/html"); ArrayList list=getData(); request.setAttribute("new", list); request.setAttribute("dc", listdc); request.getRequestDispatcher("/page/default.jsp").forward(request, response); } 3,在需要插入数据的地方加入jsp脚本:
使用request.getAttribute接收数据
通过for循环打印数据
<% ArrayList
list =(ArrayList )request.getAttribute("new"); if(list!=null) for(int i=0;i - <% out.print(list.get(i)); %> [06-29]
<% }%><%ArrayList
listdc=(ArrayList )request.getAttribute("dc"); if(listdc!=null) for(int i=0;i - <% out.print(listdc.get(i)); %> [06-29]
<% } %>以上这篇jsp 使用request为页面添加静态数据的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。
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