Csharp Win版万年历 GDI绘制.doc

最近做一个项目需要用到一个万年历,其中对阳历可做事件,生日提醒,生日提醒能支持农历日期.可C#自带的控件实现起来非常之痛苦,有太多局限性,因此便百度google看能否找到现成的控件,结果很失望.于是只能自己想办法了,这里我用了一个最笨的办法直接绘制一个万年历,并实现相关事件.这里主要介绍使用GDI+实现万年历的过程,个人拙见还望高人指点.万年历截图:图中除菜单栏和主panel外,全部是代码生成的.首先往panelMonthInfo控件上添加控件,如年份,月份 及 跳转到今天等,代码如下: View Code 1#region绘制控件2/绘制控件3privatevoidDrawControls()45varbtnToday=newButton();6btnToday.Location=newSystem.Drawing.Point(300,15);7btnToday.Name=btnToday;8btnToday.Size=newSystem.Drawing.Size(80,21);9btnToday.TabIndex=0;10btnToday.Text=跳转到今天;11btnToday.UseVisualStyleBackColor=true;12btnToday.Click+=newSystem.EventHandler(this.btnToday_Click);1314varlblYear=newLabel();15lblYear.Name=lblYear;16lblYear.Text=年份;17lblYear.Location=newPoint(91,19);18lblYear.Size=newSize(29,20);19lblYear.BackColor=Color.Transparent;2021varlblMonth=newLabel();22lblMonth.Name=lblMonth;23lblMonth.Text=月份;24lblMonth.Location=newPoint(190,19);25lblMonth.Size=newSize(29,20);26lblMonth.BackColor=Color.Transparent;27 28varcmbSelectYear=newComboBox();29cmbSelectYear.DropDownStyle=ComboBoxStyle.DropDownList;30cmbSelectYear.FormattingEnabled=true;31cmbSelectYear.Location=newPoint(120,15);32cmbSelectYear.Name=cmbSelectYear;33cmbSelectYear.AutoSize=false;34cmbSelectYear.Size=newSize(50,20);35cmbSelectYear.TabIndex=0;36cmbSelectYear.SelectionChangeCommitted+=newEventHandler(cmbSelectYear_SelectionChangeCommitted);3738varcmbSelectMonth=newComboBox();39cmbSelectMonth.DropDownStyle=ComboBoxStyle.DropDownList;40cmbSelectMonth.FormattingEnabled=true;41cmbSelectMonth.Location=newPoint(220,15);42cmbSelectMonth.Name=cmbSelectYear;43cmbSelectMonth.AutoSize=false;44cmbSelectMonth.Size=newSize(50,20);45cmbSelectMonth.TabIndex=0;46cmbSelectMonth.SelectionChangeCommitted+=newEventHandler(cmbSelectMonth_SelectionChangeCommitted);4748varpanelDateInfo=newPanel();49panelDateInfo.BackColor=Color.White;50panelDateInfo.Location=newPoint(575,45);51panelDateInfo.Size=newSize(165,390);52panelDateInfo.Paint+=newPaintEventHandler(panelDateInfo_Paint);5354varlblShowTime=newLabel();55lblShowTime.Location=newPoint(600,470);56lblShowTime.BackColor=Color.Transparent;57lblShowTime.AutoSize=true;58lblShowTime.Name=lblShowTime;5960varlabel1=newLabel();61label1.AutoSize=false;62label1.Font=newSystem.Drawing.Font(MicrosoftSansSerif,8.25F,System.Drawing.FontStyle.Italic,System.Drawing.GraphicsUnit.Point,(byte)(134);63label1.Location=newSystem.Drawing.Point(252,449);64label1.Name=label1;65label1.Size=newSystem.Drawing.Size(176,13);66label1.TabIndex=0;67label1.Text=飞鸿踏雪泥;68label1.BackColor=Color.Transparent;69label1.TextAlign=ContentAlignment.MiddleCenter;70label1.Width=400;71label1.Click+=newEventHandler(label1_Click);7273for(inti=1949;i=2049;i+)7475cmbSelectYear.Items.Add(i);76if(i=dtNow.Year)7778cmbSelectYear.SelectedItem=i;79selectYear=i;808182for(inti=1;i=12;i+)8384cmbSelectMonth.Items.Add(i);85if(i=dtNow.Month)8687cmbSelectMonth.SelectedItem=i;88selectMonth=i;899091panelMonthInfo.Controls.Add(btnToday);92panelMonthInfo.Controls.Add(lblMonth);93panelMonthInfo.Controls.Add(lblYear);94panelMonthInfo.Controls.Add(cmbSelectYear);95panelMonthInfo.Controls.Add(cmbSelectMonth);96panelMonthInfo.Controls.Add(panelDateInfo);97panelMonthInfo.Controls.Add(lblShowTime);98panelMonthInfo.Controls.Add(label1);99100101102#endregion这里共有两个panel控件,一个是绘制月历,一个是显示选中或者当前日期的详细信息,如图右侧.下一步绘制月历方格,代码如下:View Code 1/主窗体绘制月历2privatevoidpanelMonthInfo_Paint(objectsender,PaintEventArgse)34Graphicsg=e.Graphics;5varpen=newPen(Color.FromArgb(255,235,211),1);6vartb=newTextureBrush(global:ChineseCalender.Properties.Resources.wnlbg,WrapMode.TileFlipXY);7g.FillRectangle(tb,0,0,750,475);/绘制黄色背景,此处使用了图片作为背景8g.FillRectangle(newSolidBrush(Color.White),5,40,740,400);/绘制月历显示区域,背景为白色910SolidBrushsb=newSolidBrush(Color.FromArgb(50,255,247,241);11g.FillRectangle(sb,10,45,560,30);/此处绘制月历表头的背景填充1213/画横线14g.DrawLine(pen,10,45,570,45);15g.DrawLine(pen,10,75,570,75);16for(inti=1;i7;i+)1718g.DrawLine(pen,10,75+60*i,570,75+60*i);19202122/画竖线23for(inti=0;i8;i+)2425g.DrawLine(pen,10+80*i,45,10+80*i,435);26272829varsolidBrushWeekday=newSolidBrush(Color.Gray);30varsolidBrushWeekend=newSolidBrush(Color.Chocolate);31g.DrawString(日,newFont(微软雅黑,12),solidBrushWeekend,35,50);32g.DrawString(一,newFont(微软雅黑,12),solidBrushWeekday,115,50);33g.DrawString(二,newFont(微软雅黑,12),solidBrushWeekday,195,50);34g.DrawString(三,newFont(微软雅黑,12),solidBrushWeekday,275,50);35g.DrawString(四,newFont(微软雅黑,12),solidBrushWeekday,355,50);36g.DrawString(五,newFont(微软雅黑,12),solidBrushWeekday,435,50);37g.DrawString(六,newFont(微软雅黑,12),solidBrushWeekend,515,50);3839if(flag)/判断是否需要全部刷新4041GetWeekInfo(refweekOfFirstDay,refdaysOfMonth,dtNow.Year,dtNow.Month);/此方法是根据给出的年份和月份计算当月的第一天的星期,和当月的总天数42DrawDateNum(weekOfFirstDay,daysOfMonth,dtNow.Year,dtNow.Month);43/DrawDateInfo(dtNow);4445下面介绍一下在方格内绘制日期信息,首先我们要确定当月一号的位置,这里是通过星期来控制的,然后通过两个for循环进行日期绘制,看代码:1/绘制月历日期2privatevoidDrawDateNum(intfirstDayofWeek,intendMonthDay,intyear,intmonth)34DateTimedtNow=DateTime.Parse(DateTime.Now.ToShortDateString();56varfont=newFont(,14);7varsolidBrushWeekdays=newSolidBrush(Color.Gray);8varsolidBrushWeekend=newSolidBrush(Color.Chocolate);9varsolidBrushHoliday=newSolidBrush(Color.BurlyWood);10Graphicsg=panelMonthInfo.CreateGraphics();11intnum=1;1213for(intj=0;j6;j+)1415for(inti=0;i7;i+)1617if(j=0&iendMonthDay)/定义当月最后一天的位置2425break;2627stringcMonth=null;28stringcDay=null;29stringcHoliday=null;30stringccHoliday=null;3132if(i0&i3?cHoliday.Substring(0,3):cHoliday,newFont(,9),52solidBrushHoliday,(40+80*i),(90+60*j);5354/绘农历55if(ccHoliday!=)5657g.DrawString(ccHoliday,newFont(,10),solidBrushWeekdays,(25+80*i),58(115+60*j);5960else6162g.DrawString(cDay=初一?cMonth:cDay,newFont(,10),solidBrushWeekdays,(25+80*i),63(115+60*j);64656667/绘日期68g.DrawString(num.ToString(CultureInfo.InvariantCulture),font,solidBrushWeekdays,69(15+80*i),(80+60*j);707172else7374vardt=DateTime.Parse(year+-+month+-+num);75varts=dt-dtNow;76dateArrayi,j=dt.ToShortDateString();77if(ts.Days=0)7879g.DrawEllipse(newPen(Color.Chocolate,3),(15+80*i),(85+60*j),30,15);808182cMonth=ChineseDate.GetMonth(dt);83cDay=ChineseDate.GetDay(dt);84cHoliday=ChineseDate.GetHoliday(dt);85ccHoliday=ChineseDate.GetChinaHoliday(dt);8687if(cHoliday!=null)8889/绘阳历节日90g.DrawString(cHoliday.Length3?cHoliday.Substring(0,3):cHoliday,newFont(,9),91solidBrushHoliday,(40+80*i),(90+60*j);9293/绘农历94if(ccHoliday!=)9596g.DrawString(ccHoliday,newFont(,10),solidBrushWeekend,(25+80*i),97(115+60*j);9899else100101g.DrawString(cDay=初一?cMonth:cDay,newFont(,10),solidBrushWeekend,(25+80*i),102(115+60*j);103104105/绘日期106g.DrawString(num.ToString(CultureInfo.InvariantCulture),font,solidBrushWeekend,107(15+80*i),(80+60*j);108109110num+;111112113114115116117118/获取某月首日星期及某月天数119privatevoidGetWeekInfo(refintweekOfFirstDay,refintdaysOfMonth,intyear=1900,intmonth=2,intday=1)120121DateTimedt=122DateTime.Parse(year.ToString(CultureInfo.InvariantCulture)+-+123month.ToString(CultureInfo.InvariantCulture)+-+124day.ToString(CultureInfo.InvariantCulture);125weekOfFirstDay=(int)dt.DayOfWeek;126daysOfMonth=(int)DateTime.DaysInMonth(year,month);127这里调用了两个阳历转农历的方法,这个不是我写的,网上有现成的代码,后面我会附在附件里到这里,整个月历的样子就已经显示出来了,然后我想要选择年份和日期来控制月历的显示,比如在下拉列表中选择2013,01,然后显示当月的月历信息,如是,这里使用了Combobox控件的SelectionChangeCommitted事件,因为我在初始化控件的时候对其赋值了,如果使用了 selectedchange事件将会在窗体初始化是重复绘制.1privatevoidcmbSelectMonth_SelectionChangeCommitted(objectsender,EventArgse)23flag=false;4varcmbSelectMonth=senderasComboBox;5selectMonth=(int)cmbSelectMonth.SelectedItem;6panelMonthInfo.Refresh();7GetWeekInfo(refweekOfFirstDay,refdaysOfMonth,selectYear,selectMonth);8DrawDateNum(weekOfFirstDay,daysOfMonth,selectYear,selectMonth);91011privatevoidcmbSelectYear_SelectionChangeCommitted(objectsender,EventArgse)1213flag=false;14varcmbSelectYear=senderasComboBox;15selectYear=(int)cmbSelectYear.SelectedItem;16panelMonthInfo.Refresh();17GetWeekInfo(refweekOfFirstDay,refdaysOfMonth,selectYear,selectMonth);18DrawDateNum(weekOfFirstDay,daysOfMonth,selectYear,selectMonth);19Ok,到这里基本上已经可以实现了万年历的显示效果了,但还有一个地方未实现,我希望在单击日期的时候能显示当天的详细农历情况及当日的提醒等等,这里就需要实现日期选择的单击效果,我这里用panel的mouseClick事件+鼠标坐标来实现单击效果,1/鼠标单击2privatevoidpanelMonthInfo_MouseClick(objectsender,MouseEventArgse)345/MessageBox.Show(e.X+n+e.Y);6if(e.Button=MouseButtons.Left)78910if(e.X575)1112return;1314if(e.Y435)1516return;1718intx=(e.X-10)/80;19inty=(e.Y-75)/60;20if(dateArrayx,y=null)2122return;2324DateTimedtSelect=DateTime.Parse(dateArrayx,y);25dtInfo=dtSelect;26/DrawDateInfo(dtSelect);2728panelDateInfo.Refresh();29下面是绘制选中日期的详细信息,如下:privatevoidpanelDateInfo_Paint(objectsender,PaintEventArgse)ChineseCalendarcc=newChineseCalendar(dtInfo);stringdateString=cc.DateString;/阳历stringchineseDateString=cc.ChineseDateString;/农历stringdateHoliday=cc.DateHoliday;/阳历节日stringchineseTwentyFourDay=cc.ChineseTwentyFourDay;/农历节日stringconstellation=cc.Constellation;/星座stringweekDayString=cc.WeekDayStr;/星期stringganZhiDateString=cc.GanZhiDateString;stringanimalString=cc.AnimalString;stringchineseConstellation=cc.ChineseConstellation;if(panelDateInfo!=null)Graphicsg=panelDateInfo.CreateGraphics();if(dateString!=null)g.DrawString(dateString+weekDayString,newFont(,9),newSolidBrush(Color.Gray),7,10);g.DrawString(dtInfo.Day.ToString(CultureInfo.InvariantCulture),newFont(,45,FontStyle.Bold),newSolidBrush(Color.Gainsboro),50,30);varf