在save.jsp页面中 保证好了数据库连接成功和表的建立了,为什么结果会显示异常呢??请指教
<%@ page language="java" import="java.util.*,news.*,java.sql.*"
pageEncoding="UTF-8"%>
<%
Connection con = null;
PreparedStatement ps = null;
ResultSet set = null;
String sql = "select * from userinfo";
con = Operate.getConnection();
try {
ps = con.prepareStatement(sql);
set = ps.executeQuery();
if (set.next()) {
out.print("找到结果");
}
} catch (Exception e) {
out.print("异常");
}
%>
<%@ page language="java" import="java.util.*,news.*,java.sql.*"
pageEncoding="UTF-8"%>
<%
Connection con = null;
PreparedStatement ps = null;
ResultSet set = null;
String sql = "select * from userinfo";
con = Operate.getConnection();
try {
ps = con.prepareStatement(sql);
set = ps.executeQuery();
if (set.next()) {
out.print("找到结果");
}
} catch (Exception e) {
out.print("异常");
}
%>
解决方案 »
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