工具类和系统参数类

/*
 * Created on 2004-12-15
 *
 * 集成了
 */
package util;

/**
 * @author zhang
 *
 *  集成了各种配置参数
 */
public class Configs {
     //数据库的各种参数
 public static String dirverName="com.microsoft.jdbc.sqlserver.SQLServerDriver";
 public static String URL="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Northwind";
 public static String password="sa";
 public static String userName="sa";
 
}


/*
 * Created on 2004-12-16
 *单态模式设计 
 */
package util;
public class SqlFactory {
  //public static Mysql msql;
 //public static final int PassSql=1;
  public static PassSql getPassSql( ){ 
   return new PassSql();
 
  }
  
}
package util;

/*
 * Created on 2004-12-15
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */

/**
 * @author zhang
 *
 * 改变日期的输入格式
 */
import java.util.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
public class DateUtil {
 public static final String ymdhms="yyyy/MM/dd '--'HH:mm:ss";
 public static String format(Calendar c,String s){
  return new SimpleDateFormat(s).format(c.getTime());
 }
 
  public static void main(String[] args) {
     String s=DateUtil.format(Calendar.getInstance(),DateUtil.ymdhms);
}
}