每當我運行此代碼時,我都會得到一個not enough values
。可能會出現什麼問題?使用servlet將值插入到SQL數據庫中
這裏是我的代碼:
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import java.io.*;
public class Base extends HttpServlet
{
public void doGet(HttpServletRequest req,HttpServletResponse res)throws
IOException,ServletException
{
String eid=req.getParameter("t1");
String name=req.getParameter("t2");
int sal=Integer.parseInt(req.getParameter("t3"));
Connection con=null;
Statement stmt=null;
PrintWriter out=res.getWriter();
try
{
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","system","intelinside");
stmt=con.createStatement();
int i = stmt.executeUpdate("insert into emp values('"+eid+"''"+name+"''"+sal+"')");
if(i>0)
out.println("Inserted Successfully");
else
out.println("Insert Unsuccessful");
}
catch(Exception e)
{
out.println(e);
}
}
}
你的問題是什麼? – PermGenError
沒有足夠的值錯誤顯示出來。 –
所以我們會奇蹟般地知道錯誤是什麼?用錯誤 – PermGenError