?? data.java
字號:
package wyf;
import java.sql.*;
class Data
{
public Data()
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException ex)
{
System.err.println();
}
}
public ResultSet executeQuery(String sql)
{
ResultSet rs=null;
try
{
Connection con=DriverManager.getConnection("jdbc:odbc:student");
Statement st=con.createStatement();
rs=st.executeQuery(sql);
}
catch(SQLException e)
{
System.err.println();
}
return rs;
}
public ResultSet executeUpdate(String sql)
{
ResultSet rs=null;
try
{
Connection con=DriverManager.getConnection("jdbc:odbc:student");
Statement st=con.createStatement();
rs=st.executeQuery(sql);
}
catch(SQLException e)
{
System.err.println();
}
return rs;
}
}
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