教育网研究3 displytag的使用-优快云博客

本文介绍了一个使用JSP和DisplayTag插件时遇到的中文乱码问题案例。通过展示具体的JSP页面代码和数据库操作Java代码，讨论了如何在教育网环境下正确配置和使用DisplayTag以避免中文乱码问题。

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教育网中使用displytag 中文乱码

all.jsp
<jsp:root version="1.2" xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:display="urn:jsptld:http://displaytag.sf.net"
xmlns:c="urn:jsptld:http://java.sun.com/jstl/core">

<jsp:directive.page import="java.util.*,com.pp.db.*"/>
<jsp:directive.page contentType="text/html; charset=UTF-8" />
<jsp:directive.page import="my.bean.*" />
    <head><title>我的标签</title></head>
<jsp:include page="inc/header.jsp" flush="true" />
<jsp:scriptlet>

Source_inf inf1=new Source_inf();
DBOperate dbo=new DBOperate();
String hql="from Source_inf";
List list = dbo.findAll(hql);
request.setAttribute("test",list);

   </jsp:scriptlet>
<display:table name="test" defaultsort="1" defaultorder="ascending" class="simple" pagesize="5" >
     <display:caption>考题下载列表</display:caption>
      <display:column property="id" title="序列号"   href="tvdetails.jsp" paramId="id" sortable="true" headerClass="sortable" ></display:column>
       <display:column property="filename" title="文件名" sortable="true" headerClass="sortable" ></display:column>
       <display:column title="email" autolink="true" maxLength="20"   class="textRed" >email@it.com</display:column>
       <display:footer>
        <tr>
      <td colspan="4">sample footer</td>

        </tr>
      </display:footer>

</display:table>

</jsp:root>

DBOperation.java
public List findAll(String hql){
   List list = null;
   try {
       conn = DBConnection.getConnection();
       SessionFactory sessionFactory = this.getSessionFactory();
       if (sessionFactory != null) {
         session = sessionFactory.openSession(conn);
         transaction = session.beginTransaction();
         list=session.createQuery(hql).list();
     }
   }
     catch (Exception e) {
       log.error(PubFunc.getNow() + "Hibernate得到列表！" + e.getMessage());
       e.printStackTrace();
     }
     finally {
       close(session);
       DBConnection.closeConnection(conn);
     }
     return list;

}