DateTime.Now.ToString()用法

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//2007年4月24日

this.TextBox1.Text = System.DateTime.Now.ToString("D");

//2007/4/24

this.TextBox2.Text = System.DateTime.Now.ToString("d");

//2007年4月24日 16:30:15

this.TextBox3.Text = System.DateTime.Now.ToString("F");

//2007年4月24日 16:30

this.TextBox4.Text = System.DateTime.Now.ToString("f");

//2007/4/24 16:30:15

this.TextBox5.Text = System.DateTime.Now.ToString("G");

//2007/4/24 16:30

this.TextBox6.Text = System.DateTime.Now.ToString("g");

//16:30:15

this.TextBox7.Text = System.DateTime.Now.ToString("T");

//16:30

this.TextBox8.Text = System.DateTime.Now.ToString("t");

//2007年4月24日 8:30:15

this.TextBox9.Text = System.DateTime.Now.ToString("U");

//2007-04-24 16:30:15Z

this.TextBox10.Text = System.DateTime.Now.ToString("u");

//4月24日

this.TextBox11.Text = System.DateTime.Now.ToString("m");

this.TextBox12.Text = System.DateTime.Now.ToString("M");

//Tue, 24 Apr 2007 16:30:15 GMT

this.TextBox13.Text = System.DateTime.Now.ToString("r");

this.TextBox14.Text = System.DateTime.Now.ToString("R");

//2007年4月

this.TextBox15.Text = System.DateTime.Now.ToString("y");

this.TextBox16.Text = System.DateTime.Now.ToString("Y");

//2007-04-24T15:52:19.1562500+08:00

this.TextBox17.Text = System.DateTime.Now.ToString("o");

this.TextBox18.Text = System.DateTime.Now.ToString("O");

//2007-04-24T16:30:15

this.TextBox19.Text = System.DateTime.Now.ToString("s");

//2007-04-24 15:52:19:9889

this.TextBox20.Text = System.DateTime.Now.ToString("yyyy-MM-dd HH：mm：ss：ffff");

//2007年04月24 15时56分48秒

this.TextBox21.Text = System.DateTime.Now.ToString("yyyy年MM月dd HH时mm分ss秒");

//星期二, 四月 24 2007

this.TextBox22.Text = System.DateTime.Now.ToString("dddd, MMMM dd yyyy");

//周三, 十二月 7 '11

this.TextBox23.Text = System.DateTime.Now.ToString("ddd, MMM d \"'\"yy");

//星期二, 四月 24

this.TextBox24.Text = System.DateTime.Now.ToString("dddd, MMMM dd");

//4/07

this.TextBox25.Text = System.DateTime.Now.ToString("M/yy");

//07-12-11

this.TextBox26.Text = System.DateTime.Now.ToString("dd-MM-yy");

string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };

//2011/12/6 昨天

this.TextBox1.Text = System.DateTime.Now.AddDays(-1).ToShortDateString();

//2011/12/8 明天

this.TextBox2.Text = DateTime.Now.AddDays(1).ToShortDateString();

//2011/12/4 本周星期天

this.TextBox3.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString();

//2011/12/10 本周星期六

this.TextBox4.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString();

//星期三今天周几

this.TextBox5.Text = Day[Convert.ToInt16(DateTime.Now.DayOfWeek)];

//2011/11/27 上周日

this.TextBox6.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString();

//2011/12/3 上周六

this.TextBox7.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString();

//2011/12/11 下周日

this.TextBox8.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString();

//2011/12/17 下周六

this.TextBox9.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString();

//2011-12-01 本月一号

this.TextBox10.Text =DateTime.Now.ToString("yyyy-MM-01");

//2011/12/31 本月最后一天

this.TextBox11.Text=DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(1).AddDays(-1).ToShortDateString();

//2011/11/1 上个月一号

this.TextBox12.Text=System.DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(-1).ToShortDateString();

//2012/1/1 下个月一号

this.TextBox13.Text=System.DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(1).ToShortDateSring();