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我想執行下面的代碼,其中包含兩個SQL查詢將在其中執行。我不斷收到SQL異常。代碼在這裏。先謝謝你。如何在我的JSP文件中運行兩個查詢。以下是我的代碼
<table border="1" width="100%" cellpadding="0" cellspacing="0">
<tr>
<th>FileName</th>
<th>Ip</th>
<th>Date</th>
<th>Download</th>
</tr>
<%
Connection con = DbConnector.getConnection();
PreparedStatement pstm = null;
String sql = "select * from transaction where status='Success'";
pstm = con.prepareStatement(sql);
ResultSet rs = pstm.executeQuery();
while (rs.next()) {%>
<tr>
<td><%=rs.getString(2)%></td>
<td><%=rs.getString(4)%></td>
<td><%=rs.getString(5)%></td>
<%
PreparedStatement pstm1 = null;
String sql2 = "select * from mykeys where FileID = '"+ rs.getString(7).toString() +"'";
pstm1 = con.prepareStatement(sql2);
ResultSet rs1 = pstm1.executeQuery();
if(rs1.getString(2).toString() != null && rs1.getString(3).toString() != null){%>
<td><a href="FileDownload?ip= <%=rs.getString(4)%>&filename=<%=rs.getString(2)%>">Download</a></td>
<%}else{%>
<td>Cannot Download</td>
<%}%>
</tr>
<%}%>
</table>
javax.servlet.ServletException:java.sql.SQLException中 \t org.apache.jasper.runtime.PageContextImpl.doHandlePageException (PageContextImpl.java:911) \t org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840) \t org.apache.jsp.report_jsp._jspService(report_jsp.java:200) \t org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) \t javax.servlet.http.HttpServlet.service(HttpServlet.java:722) \t org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:419) – user3672391
這是JSP SQL的用處,試試看 –