Question

import java.sql.*;
import java.io.*;
public class preparedstatementdemo
    {
    public static void main(String arg[]) throws Exception
        {
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        Connection con=DriverManager.getConnection("jdbc:odbc:yoksource","","");
        String Sqlcmd="insert into yokrecord values(?,?,?)";
    **    PreparedStatement ps=con.prepareStatement(Sqlcmd);
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter a name");
        ps.setString(1,br.readLine());
        System.out.println("Enter age");
        ps.setInt(2,Integer.parseInt(br.readLine()));
        System.out.println("enter address");
        ps.setString(3,br.readLine());
        ps.executeUpdate();
        System.out.println("inserted");
        }
    }

**错误：不兼容的类型

Answer 1

我认为问题在于你使用的实际INSERT命令 - 语法应该是：

INSERT INTO yokrecord (fieldname1,fieldname2,fieldname3) values(?,?,?);

我与PreparedStatement有一个错误“不兼容的类型”

1 个答案: