jsp新代码第230课

new230.java

package pack03;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;

public class new230
{
  
  public int executeUpdata(String sql,List<Object> list)
  {
    Connection conn = null;
    PreparedStatement pstmt = null;
    
    conn = new229.getConnection();
    try
    {
      pstmt = conn.prepareStatement(sql);
      if(list == null)
      {
        return pstmt.executeUpdate();
      }
      
      int i = 1;
      for (Object obj : list)
      {
        pstmt.setObject(i, obj);
        i++;
      }
      
      return pstmt.executeUpdate();
    } 
    catch (SQLException e)
    {
      e.printStackTrace();
    }
    finally
    {
      new229.close(pstmt);
      new229.close(conn);
    }
    
    return 0;
  }
}