C#手动写代码实现统计图

1. usingSystem;2. usingSystem.Collections.Generic;3. usingSystem.Linq;4. usingSystem.Text;5. /6. usingSystem.Drawing;7. /8. namespaceDatePrint9. 10. /11. /根据统计数据，输出各种统计统计图形，包括饼状图、曲线分析图、柱形图、多组数据曲线分析图；12. /统计图形统一大小：600*420；13. /开发人员：#；14. /开发时间：#；15. /16. publicclassCountImage17. 18. #region/颜色，画框，19. /20. /生成随机颜色21. /22. /23. privatestaticColorGetRandomColor(intseed)24. 25. Randomrandom=newRandom(seed);26. intr=0;27. intg=0;28. intb=0;29. r=random.Next(0,230);30. g=random.Next(0,230);31. b=random.Next(0,235);32. Colorrandomcolor=Color.FromArgb(r,g,b);33. returnrandomcolor;34. 35. /36. /绘制区域框，框何其阴影37. /38. /图形39. /矩形框对象40. /图形41. privatestaticBitmapDrawRectangle(Bitmapimage,Rectanglerect)42. 43. BitmapImage=image;44. Graphicsg=Graphics.FromImage(Image);45. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;46. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;47. try48. 49. Rectanglern=newRectangle(rect.X+3,rect.Y+3,rect.Width,rect.Height);50. SolidBrushbrush1=newSolidBrush(Color.FromArgb(233,234,249);51. SolidBrushbrush2=newSolidBrush(Color.FromArgb(221,213,215);52. /53. g.FillRectangle(brush2,rn);54. g.FillRectangle(brush1,rect);55. returnImage;56. 57. finally58. 59. g.Dispose();60. 61. 62. #endregion63. #region/绘制图例框，绘制扇形64. /65. /绘制图例信息66. /67. /图像68. /第一个矩形框69. /颜色70. /图例说明文字71. /文字样式72. /图例说明序号73. /图形74. privatestaticBitmapDrawDes(Bitmapimage,Rectanglerect,Colorc,stringDesStr,Fontf,inti)75. 76. BitmapImage=image;77. Graphicsg=Graphics.FromImage(Image);78. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;79. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;80. try81. 82. SolidBrushbrush=newSolidBrush(c);83. /84. RectangleR=newRectangle(rect.X,rect.Y+18*i,rect.Width,rect.Height);85. Pointp=newPoint(rect.X+12,rect.Y+18*i);86. /颜色矩形框87. g.FillRectangle(brush,R);88. /文字说明89. g.DrawString(DesStr,f,newSolidBrush(Color.Black),p);90. returnImage;91. 92. finally93. 94. g.Dispose();95. 96. 97. /绘制扇形98. privatestaticBitmapDrawPie(Bitmapimage,Rectanglerect,Colorc,intAngle1,intAngle2)99. 100. BitmapImage=image;101. Graphicsg=Graphics.FromImage(Image);102. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;103. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;104. try105. 106. SolidBrushbrush=newSolidBrush(c);107. /108. RectangleR=newRectangle(rect.X,rect.Y,rect.Width,rect.Height);109. g.FillPie(brush,R,Angle1,Angle2);110. returnImage;111. 112. finally113. 114. g.Dispose();115. 116. 117. #endregion118. #region/绘制基本图形119. /120. /生成图片，统一设置图片大小、背景色,图片布局，及标题121. /122. /图片123. privatestaticBitmapGenerateImage(stringTitle)124. 125. /图片大小：宽度、高度126. intwidth=600;127. intheight=420;128. /标题129. PointPTitle=newPoint(30,20);130. Fontf1=newFont(宋体,10,FontStyle.Bold);131. /线132. PointPLine1=newPoint(20,40);133. PointPLine2=newPoint(390,40);134. Penpen=newPen(newSolidBrush(Color.FromArgb(8,34,231),1.5f);135. /主区域,主区域图形136. RectangleRMain1=newRectangle(20,55,410,345);137. RectangleRMain2=newRectangle(25,60,400,335);138. /图例区域139. RectangleRDes1=newRectangle(440,55,150,345);140. /图例说明141. stringDes=图例说明：;142. Fontf2=newFont(新宋体,9,FontStyle.Bold);143. PointPDes=newPoint(445,65);144. /图例信息，后面的x坐标上累加20145. RectangleRDes2=newRectangle(445,90,10,10);146. Bitmapimage=newBitmap(width,height);147. /148. Graphicsg=Graphics.FromImage(image);149. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;150. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;151. try152. 153. /设置背景色、绘制边框154. g.Clear(Color.White);155. g.DrawRectangle(newPen(Color.Black),0,0,width-1,height-1);156. /绘制标题、线157. g.DrawString(Title,f1,newSolidBrush(Color.Black),PTitle);158. g.DrawLine(pen,PLine1,PLine2);159. 160. /主区域161. image=DrawRectangle(image,RMain1);162. /图例区域163. image=DrawRectangle(image,RDes1);164. /“图例说明”165. g.DrawString(Des,f2,newSolidBrush(Color.Black),PDes);166. /return167. returnimage;168. 169. finally170. 171. g.Dispose();172. 173. 174. #endregion175. #region/绘制饼状图*176. /177. /计算数值综合178. /179. /180. /181. privatestaticdecimalSum(decimalValue)182. 183. decimalt=0;184. foreach(decimaldinValue)185. 186. t+=d;187. 188. returnt;189. 190. /191. /计算各项比例192. /193. /194. /195. privatestaticdecimalGetItemRate(decimalValue)196. 197. decimalsum=Sum(Value);198. decimalItemRate=newdecimalValue.Length;199. for(inti=0;iValue.Length;i+)200. 201. ItemRatei=Valuei/sum;202. 203. returnItemRate;204. 205. /206. /根据比例，计算各项角度值207. /208. /209. /210. privatestaticintGetItemAngle(decimalItemRate)211. 212. intItemAngel=newintItemRate.Length;213. for(inti=0;iItemRate.Length;i+)214. 215. decimalt=360*ItemRatei;216. ItemAngeli=Convert.ToInt32(t);217. 218. returnItemAngel;219. 220. /221. /绘制饼图(主要是分析不同类型的数值所占比例)，参数有图的标题，项目名称，项目的数值，名称和数值都是长度对应的222. /223. /图的标题224. /项目名称225. /项目的数值226. /Bitmap图形227. publicstaticBitmapGetPieImage(stringTitle,stringItemName,decimalItemValue)228. 229. Bitmapimage=GenerateImage(Title);230. /231. /主区域图形232. RectangleRMain=newRectangle(35,70,380,300);233. /图例信息234. RectangleRDes=newRectangle(445,90,10,10);235. Fontf=newFont(新宋体,9,FontStyle.Bold);236. Graphicsg=Graphics.FromImage(image);237. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;238. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;239. try240. 241. /分析数据，绘制饼图和图例说明242. decimalItemRate=GetItemRate(ItemValue);243. intItemAngle=GetItemAngle(ItemRate);244. intAngle1=0;245. intAngle2=0;246. intlen=ItemValue.Length;247. Colorc=newColor();248. /3D249. g.DrawPie(newPen(Color.Black),RMain,0F,360F);250. g.DrawPie(newPen(Color.Black),newRectangle(RMain.X,RMain.Y+10,RMain.Width,RMain.Height),0F,360F);251. g.FillPie(newSolidBrush(Color.Black),newRectangle(RMain.X,RMain.Y+10,RMain.Width,RMain.Height),0F,360F);252. /绘制253. for(inti=0;ilen;i+)254. 255. Angle2=ItemAnglei;256. /if(c!=GetRandomColor(i)257. c=GetRandomColor(i);258. SolidBrushbrush=newSolidBrush(c);259. stringDesStr=ItemNamei+(+(ItemRatei*100).ToString(.00)+%+)+ItemValuei.ToString(.00);260. /261. DrawPie(image,RMain,c,Angle1,Angle2);262. Angle1+=Angle2;263. DrawDes(image,RDes,c,DesStr,f,i);264. 265. returnimage;266. 267. finally268. 269. g.Dispose();270. 271. 272. #endregion273. #region/获取Y轴坐标数据274. /*275. 坐标轴实现算法描述：276. *X轴坐标根据项目数量把X轴均等分，有效长度350，277. *Y轴有效长度280，平分为10个等分，即有十个点；278. *Y轴的数值算法：第一个点位最小值，然后每个等分所对应的值是（最大值-最小值）/9，279. */280. /281. /获取Y轴坐标的点分布值282. /283. /项目数值284. /Y轴点的数量285. /图形286. privatestaticintGetYValue(decimalItemValue,intYCount)287. 288. intlen=ItemValue.Length;289. intValue=newintYCount;290. intMax=Convert.ToInt32(ItemValue.Max();291. intMin=Convert.ToInt32(ItemValue.Min();292. intDistance=Convert.ToInt32(Max-Min)/(YCount-1);293. for(inti=0;iYCount;i+)294. 295. Valuei=Min+Distance*i;296. 297. /ValueYCount-1=Max;298. returnValue;299. 300. #endregion301. #region/建立坐标轴302. /303. /绘制坐标轴，X、Y轴的坐标值304. /305. /图像306. /项目名称307. /项目数值308. /图像309. privatestaticBitmapDrawCoordinate(Bitmapimage,stringItemName,decimalItemValue)310. 311. /坐标轴312. PointP0=newPoint(60,360);313. PointPx=newPoint(420,360);314. PointPy=newPoint(60,65);315. Penpen=newPen(Color.Black);316. /箭头317. PointPy1=newPoint(58,70);318. PointPy2=newPoint(62,70);319. PointPx1=newPoint(415,358);320. PointPx2=newPoint(415,362);321. /Y,XValue322. /y280-10323. intYCount=10;/Y轴点的数量324. intYDistance=Convert.ToInt32(280/YCount);/Y轴点击的距离325. intYValue=GetYValue(ItemValue,YCount);326. intlen=3;/短线的长度327. intXCount=ItemName.Length;/X轴点的数量328. intXDistance=Convert.ToInt32(350/XCount);/X轴点间的距离329. /330. Fontf=newFont(新宋体,8,FontStyle.Bold);331. /Image332. Graphicsg=Graphics.FromImage(image);333. g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.AntiAlias;334. g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;335. try336. 337. /绘制坐标轴线338. g.DrawLine(pen,P0,Px);339. g.DrawLine(pen,P0,Py);340. /箭头341. g.DrawLine(pen,Py,Py1);342. g.DrawLine(pen,Py,Py2);343. g.DrawLine(pen,Px,Px1);344. g.DrawLine(pen,Px,Px2);345. /X346. for(inti=1;i=XCount;i+)347. 348. Pointpl1=newPoint(P0.X+i*XDistance,P0.Y);349. Pointpl2=newPoint(P0.X+i*XDistance,P0.Y-len);350. stringstr=ItemNamei-1;351. Pointps=newPoint(pl1.X-(str.Length*8),pl1.Y+5);352. g.DrawLine(pen,pl1,pl2);353. g.DrawString(str,f,newSolidBrush(Color.Black),ps);354. 355. /Y356. for(inti=1;i=YCount;i+)357. 358. Pointpl1=newPoint(P0.X,P0.Y-YDistance*i);359. Pointpl2=newPoint(pl1.X+len,pl1.Y);360. stringstr=YValuei-1.ToString();361. Pointps=newPoint(pl1.X-str.Length*8,pl1.Y-5);362. g.DrawLine(pen,pl1,pl2);363. g.DrawString(str,f,newSolidBrush(Color.Black),ps);364. 365. /0366. g.DrawString(0,f,newSolidBrush(Color.Black),newPoint(P0.X-10,P0.Y-10);367. /return368. returnimage;369. 370. finally371. 372. g.Dispose();373. 374. 375. #endregion376. 377. #region/获取某个数值在坐标系中的位置378. /379. /获取某个数值在坐标系中的位置380. /381. /当前数值382. /所有数值383. /位置384. privatestaticintGetCoordinateValue(decimalValue,decimalItemValue)385. 386. /y280-10387. /getyvalue388. intYValue=GetYValue(ItemValue,10);389. intMax=YValue.Max();390. intMin=YValue.Min();391. floatAvgDis=(Max-Min)/9;392. floattt=(Convert.ToSingle(Value)-Min)/AvgDis;393. intm=Convert.ToInt32(tt*28);394. m=360-28-m;395. /if(Convert.ToInt32(Value)=Max)396. /m=80;397. /elseif(Convert.ToInt32(Value)=Min)398. /m=332;399. returnm;400. 401. #endregion402. #region/绘制曲线图*403. /404. /绘制曲线图(主要是分析不同类型的数值所占比例，或者同意项目不同状态下的值和趋势)，参数有图的标题，项目名称，项目的数值，名称和数值都是长度对应的405. /406. /图的标题4