UC知道jsp 程序不识别 ResultSet 对象
来源：百度知道 编辑：UC知道 时间：2024/06/20 16:33:07
HTTP Status 500 -
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type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /vote/index.jsp:21
18: <h2><font color="#0000ff">请您投票:</font></h2>
19: <table width="640" bgcolor="#00FFFF">
20:
21: <% while(rs.next()){ %>
22: <TR>
23: <TD width=200><input type="radio" name="type"> <%=rs.getString("note")%></TD>
24: </TR>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:467)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)
or
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type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /vote/index.jsp:21
18: <h2><font color="#0000ff">请您投票:</font></h2>
19: <table width="640" bgcolor="#00FFFF">
20:
21: <% while(rs.next()){ %>
22: <TR>
23: <TD width=200><input type="radio" name="type"> <%=rs.getString("note")%></TD>
24: </TR>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:467)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)
or
以为resultSet对象不支持远程传输，它是基于preparedStatement或者statement对象存在的，你需要在java类中把rs中的数据封装到list或者可以承载数据的对象里传递带页面或者直接在页面打开connection,statement或者preparedStatement获取resultset，从而获取数据，离开statement或者preparedStatement的resultset是没有用的