asp.net 开发常用的方法二

asp.net 开发中常用的一些方法总结虽然写的不好,但很实用
using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Net;
using System.Text.RegularExpressions;
using System.Web.UI;
using System.Web.SessionState;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Xml;
namespace f.DBUtility
{
public static class Code
{
#region 获取星期几
/// <summary>
/// 返回星期
/// </summary>
/// <returns></returns>
public static string GetWeek()
{
string wek = "";
int m = System.DateTime.Today.Month;
int y = System.DateTime.Today.Year;
int d = System.DateTime.Today.Day;
int weeks = getWeekDay(y, m, d);
switch (weeks)
{
case 1:
wek = "星期一";
break;
case 2:
wek = "星期二";
break;
case 3:
wek = "星期三";
break;
case 4:
wek = "星期四";
break;
case 5:
wek = "星期五";
break;
case 6:
wek = "星期六";
break;
case 7:
wek = "星期日";
break;
}
return wek;
}
/// <summary>根据日期，获得星期几</summary>
/// <param name="y">年</param>
/// <param name="m">月</param>
/// <param name="d">日</param>
/// <returns>星期几，1代表星期一；7代表星期日</returns>
public static int getWeekDay(int y, int m, int d)
{
if (m == 1) m = 13;
if (m == 2) m = 14;
int week = (d + 2 * m + 3 * (m + 1) / 5 +