📄 moditem.jsp
字号:
<%@page import="java.sql.*"%>
<%@page import="java.util.*"%>
<%@page contentType="text/html;charset=GB2312"%>
<%@include file="opendata.jsp"%>
<%@include file="check.jsp"%>
<%!
int isempty(String str) //判断递交的字符串是否为空
{
if(str.length() ==0)
return (0);
else return (1);
}
%>
<%
request.setCharacterEncoding("GB2312");
String item = request.getParameter("item");
int itemid = Integer.parseInt(request.getParameter("itemid"));
if(item.length()==0)
{
String errmsg = "选项不可为空！！！";
out.print("<center><font color=green size=5>错误信息<hr></font><font color=red>"+errmsg+"</font><hr>");
out.print("<input type=button value=回上一页 onclick=history.back()>");
}
else
{
//更新主题
sql = "update Items set Item = '"+item+"'where ItemID = "+itemid;
smt.executeUpdate(sql);
int questionid = 0;
sql = "SELECT QuestionID from Items where ItemID ="+itemid;
rs = smt.executeQuery(sql);
while(rs.next())
questionid = rs.getInt(1);
response.sendRedirect("edit.jsp?questionid="+questionid);
}
%>
<html>
<title>错误信息</title>
</html>
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