要求:
做个表模型,例如:表有N行M列,程序启动时让其读取数据库中具有与其相同行列的某表.让后可以通过程序对数据库进行各种操作!!! ----谢谢，您的弹手几指，是对我莫大的帮助！！!
------解决方案--------------------
import java.sql.*;
public class DatabaseBasicOperation
{
private Statement sta; //用于数据库操作的Statement
public static void main(String args[])
{
try
{
JDBCODBCBridge bridge=new JDBCODBCBridge();
DatabaseBasicOperation operator=new DatabaseBasicOperation();
ResultSet rs; //结果集
String sqlCommand; //用于操作的SQL命令
bridge.setURL( "jdbc:odbc:sample ");
bridge.setUser( "sa ");
bridge.setPassword( "sa ");
Connection con=bridge.getConnection();
operator.setStatement(con); //设置Satement
//查询操作
sqlCommand= "SELECT * FROM STUDENTS ";
System.out.println( "\n#########查询操作######### ");
System.out.println( "输入SQL命令 "+sqlCommand+ "\n ");
rs=operator.executeQuery(sqlCommand);
rs.next();
for(int i=0;i <rs.getRow();i++)
{
System.out.println(rs.getString( "NAME "));
System.out.println(rs.getShort( "age "));
rs.next();
}
//修改操作
sqlCommand=
"UPDATE STUDENTS SET AGE=22 WHERE NAME=\ '巧玲\ ' ";
System.out.println( "\n#########修改操作######### ");
System.out.println( "输入SQL命令 "+sqlCommand+ "\n ");
operator.executeUpdate(sqlCommand);
sqlCommand= "SELECT * FROM STUDENTS WHERE NAME=\ '巧玲\ ' ";
rs=operator.executeQuery(sqlCommand);
rs.next();
for(int i=0;i <rs.getRow();i++)
{
System.out.println(rs.getString( "NAME ")+
"年龄修改为 "+rs.getInt( "AGE "));
rs.next();
}
//添加操作
sqlCommand= "INSERT INTO STUDENTS(ID,NAME,AGE) "+
"VALUES(\ '5\ ',\ '小猫\ ',1) ";
System.out.println( "\n#########添加操作######### ");
System.out.println( "输入SQL命令 "+sqlCommand+ "\n ");
operator.executeInsert(sqlCommand);
sqlCommand= "SELECT * FROM STUDENTS WHERE ID=\ '5\ ' ";
rs=operator.executeQuery(sqlCommand);
rs.next();
for(int i=0;i <rs.getRow();i++)
{
System.out.println( "ID为 "+rs.getString( "ID ")+
"处已添加 "+rs.getString( "NAME "));
rs.next();
}
//删除操作
sqlCommand= "DELETE FROM STUDENTS WHERE ID=\ '5\ ' ";
System.out.println( "\n#########删除操作######### ");
System.out.println( "输入SQL命令 "+sqlCommand+ "\n ");
operator.executeDelete(sqlCommand);
sqlCommand= "SELECT * FROM STUDENTS WHERE ID=\ '5\ ' ";
rs=operator.executeQuery(sqlCommand);
rs.next();
if(!rs.next())
{
System.out.println( "不存在ID为5的数据，此数据已被删除 ");
}
//关闭所有连接,释放资源
rs.close();
operator.closeStatement();
con.close();
}
catch(Exception e)
{
System.out.println(e.toString());
}
}
public void setStatement(Connection con)
{
try
{
this.sta=con.createStatement(); //Statement中有关数据库查询的函数
}
catch(Exception e)
{
System.out.println(e.toString());
}
}
public ResultSet executeQuery(String sqlCommand)
{
try
{
//Statement中有关修改数据库的函数