NetHelper.cs 27 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Diagnostics;
  4. using System.Linq;
  5. using System.Text;
  6. using System.IO;
  7. using System.Net;
  8. using System.Drawing;
  9. using System.Globalization;
  10. using System.Web;
  11. namespace SCC.Common
  12. {
  13. /// <summary>
  14. /// 网络相关帮助类
  15. /// </summary>
  16. public class NetHelper
  17. {
  18. /// <summary>
  19. /// 获取IP
  20. /// </summary>
  21. /// <returns></returns>
  22. public static string GetIP()
  23. {
  24. string ip = string.Empty;
  25. if (!string.IsNullOrEmpty(System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"]))
  26. ip = Convert.ToString(System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]);
  27. if (string.IsNullOrEmpty(ip))
  28. ip = Convert.ToString(System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]);
  29. if (string.IsNullOrEmpty(ip))
  30. ip = System.Web.HttpContext.Current.Request.UserHostAddress;
  31. return ip;
  32. }
  33. /// <summary>
  34. /// 通过IP地址获取所属国家,省份,城市
  35. /// </summary>
  36. /// <param name="IP"></param>
  37. /// <returns></returns>
  38. public static List<string> GetCityByIP(string IP)
  39. {
  40. var url = string.Format(@"http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip={0}", IP);
  41. var htmlsource = GetUrlResponse(url, Encoding.GetEncoding("gbk"));
  42. if (!string.IsNullOrWhiteSpace(htmlsource))
  43. {
  44. string[] sarray = htmlsource.Trim().Split(new string[] { "\t" }, StringSplitOptions.RemoveEmptyEntries);
  45. if (sarray.Length == 6)
  46. {
  47. List<string> result = new List<string>();
  48. result.Add(sarray[3]);
  49. result.Add(sarray[4]);
  50. result.Add(sarray[5]);
  51. return result;
  52. }
  53. }
  54. return null;
  55. }
  56. /// <summary>
  57. /// 请求Url资源
  58. /// </summary>
  59. /// <param name="url">目标Url地址</param>
  60. /// <returns></returns>
  61. public static string GetUrlResponse(string url)
  62. {
  63. if (!string.IsNullOrWhiteSpace(url))
  64. return GetUrlResponse(url, Encoding.UTF8);
  65. return string.Empty;
  66. }
  67. /// <summary>
  68. /// 请求Url资源
  69. /// </summary>
  70. /// <param name="url">目标Url地址</param>
  71. /// <param name="encode">编码规则</param>
  72. /// <returns></returns>
  73. public static string GetUrlResponse(string url, Encoding encode)
  74. {
  75. if (!string.IsNullOrWhiteSpace(url) && encode != null)
  76. return GetUrlResponse(url, "GET", string.Empty, encode);
  77. return string.Empty;
  78. }
  79. /// <summary>
  80. /// 请求Url资源
  81. /// </summary>
  82. /// <param name="url">目标Url地址</param>
  83. /// <param name="method">请求方式</param>
  84. /// <param name="postdata">请求附加数据</param>
  85. /// <returns></returns>
  86. public static string GetUrlResponse(string url, string method, string postdata)
  87. {
  88. if (!string.IsNullOrWhiteSpace(url) && !string.IsNullOrWhiteSpace(method) && !string.IsNullOrWhiteSpace(postdata))
  89. return GetUrlResponse(url, method, postdata, Encoding.UTF8);
  90. return string.Empty;
  91. }
  92. /// <summary>
  93. /// 请求Url资源
  94. /// </summary>
  95. /// <param name="url">目标Url地址</param>
  96. /// <param name="method">请求方式</param>
  97. /// <param name="postdata">请求附加数据</param>
  98. /// <param name="encode">编码规则</param>
  99. /// <returns></returns>
  100. public static string GetUrlResponse(string url, string method, string postdata, Encoding encode)
  101. {
  102. Stream responseStream = null;
  103. try
  104. {
  105. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  106. request.Method = method;
  107. request.Timeout = 2 * 60 * 1000;
  108. if (!string.IsNullOrEmpty(postdata))
  109. {
  110. byte[] bs = encode.GetBytes(postdata);
  111. request.ContentLength = bs.Length;
  112. request.ContentType = "application/x-www-form-urlencoded";
  113. using (Stream requestStream = request.GetRequestStream())
  114. {
  115. requestStream.Write(bs, 0, bs.Length);
  116. }
  117. }
  118. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  119. var contentencode = response.ContentEncoding;
  120. if (contentencode == "gzip")
  121. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  122. else
  123. responseStream = response.GetResponseStream();
  124. using (StreamReader sr = new StreamReader(responseStream, encode))
  125. {
  126. var content = sr.ReadToEnd();
  127. return content.Replace("\r\n", string.Empty).Trim();
  128. }
  129. }
  130. catch (Exception e)
  131. {
  132. Trace.WriteLine(e.Message);
  133. }
  134. finally
  135. {
  136. if (responseStream != null)
  137. responseStream.Close();
  138. }
  139. return null;
  140. }
  141. #region 部分彩种自有请求网络数据方法
  142. /// <summary>
  143. /// 请求河南481(泳坛夺金)Url资源
  144. /// </summary>
  145. /// <param name="url">目标Url地址</param>
  146. /// <returns></returns>
  147. public static string GetHeNan481UrlResponse(string url)
  148. {
  149. Stream responseStream = null;
  150. try
  151. {
  152. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  153. request.Method = "GET";
  154. request.Timeout = 2 * 60 * 1000;
  155. CookieContainer container = new CookieContainer();
  156. Cookie cookie = new Cookie("JSESSIONID", "76322438526518B500CEB13023461A22", "/", "www.hnlottery.com.cn");
  157. container.Add(cookie);
  158. request.CookieContainer = container;
  159. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  160. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  161. var contentencode = response.ContentEncoding;
  162. if (contentencode == "gzip")
  163. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  164. else
  165. responseStream = response.GetResponseStream();
  166. using (StreamReader sr = new StreamReader(responseStream, Encoding.UTF8))
  167. {
  168. var content = sr.ReadToEnd();
  169. return content.Replace("\r\n", string.Empty).Trim();
  170. }
  171. }
  172. catch
  173. {
  174. }
  175. finally
  176. {
  177. if (responseStream != null)
  178. responseStream.Close();
  179. }
  180. return null;
  181. }
  182. /// <summary>
  183. /// 请求湖北11选5Url资源
  184. /// </summary>
  185. /// <param name="url">目标Url地址</param>
  186. /// <returns></returns>
  187. public static string GetHUB11X5UrlResponse(string url)
  188. {
  189. Stream responseStream = null;
  190. try
  191. {
  192. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  193. request.Method = "GET";
  194. request.Timeout = 2 * 60 * 1000;
  195. request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
  196. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  197. var contentencode = response.ContentEncoding;
  198. if (contentencode == "gzip")
  199. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  200. else
  201. responseStream = response.GetResponseStream();
  202. using (StreamReader sr = new StreamReader(responseStream, Encoding.UTF8))
  203. {
  204. var content = sr.ReadToEnd();
  205. return content.Replace("\r\n", string.Empty).Trim();
  206. }
  207. }
  208. catch
  209. {
  210. }
  211. finally
  212. {
  213. if (responseStream != null)
  214. responseStream.Close();
  215. }
  216. return null;
  217. }
  218. /// <summary>
  219. /// 请求山西11选5Url资源
  220. /// </summary>
  221. /// <param name="url">目标Url地址</param>
  222. /// <returns></returns>
  223. public static string GetShanXiTaiYuan11x5UrlResponse(string url)
  224. {
  225. Stream responseStream = null;
  226. try
  227. {
  228. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  229. request.Method = "GET";
  230. request.Timeout = 2 * 60 * 1000;
  231. CookieContainer container = new CookieContainer();
  232. Cookie cookie = new Cookie("JSESSIONID", "F76502A5D6582D7286C9CE7656FDAAEF", "/", "www.sxlottery.net");
  233. container.Add(cookie);
  234. request.CookieContainer = container;
  235. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  236. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  237. var contentencode = response.ContentEncoding;
  238. if (contentencode == "gzip")
  239. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  240. else
  241. responseStream = response.GetResponseStream();
  242. using (StreamReader sr = new StreamReader(responseStream, Encoding.UTF8))
  243. {
  244. var content = sr.ReadToEnd();
  245. return content.Replace("\r\n", string.Empty).Trim();
  246. }
  247. }
  248. catch
  249. {
  250. }
  251. finally
  252. {
  253. if (responseStream != null)
  254. responseStream.Close();
  255. }
  256. return null;
  257. }
  258. /// <summary>
  259. /// 请求重庆快乐十分Url资源
  260. /// </summary>
  261. /// <param name="url">目标Url地址</param>
  262. /// <param name="pageIndex">页码</param>
  263. /// <returns></returns>
  264. public static string GetCQKL10FUrlResponse(string url, int pageIndex)
  265. {
  266. Stream responseStream = null;
  267. try
  268. {
  269. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  270. request.Method = "POST";
  271. request.Timeout = 2 * 60 * 1000;
  272. CookieContainer container = new CookieContainer();
  273. Cookie cookie = new Cookie("ASP.NET_SessionId", "4e0ri0cjp5pyjkigils0wzvy", "/", "buy.cqcp.net");
  274. container.Add(cookie);
  275. request.CookieContainer = container;
  276. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  277. var postdata = "sPass=BEAB95B0BAA1242CF042D1659686F54B&idMode=9&iType=2&iCount=" + pageIndex;
  278. byte[] bs = Encoding.GetEncoding("gb2312").GetBytes(postdata);
  279. request.ContentLength = bs.Length;
  280. request.ContentType = "application/x-www-form-urlencoded";
  281. using (Stream requestStream = request.GetRequestStream())
  282. {
  283. requestStream.Write(bs, 0, bs.Length);
  284. }
  285. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  286. var contentencode = response.ContentEncoding;
  287. if (contentencode == "gzip")
  288. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  289. else
  290. responseStream = response.GetResponseStream();
  291. using (StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("gb2312")))
  292. {
  293. var content = sr.ReadToEnd();
  294. return content.Replace("\r\n", string.Empty).Trim();
  295. }
  296. }
  297. catch
  298. {
  299. }
  300. finally
  301. {
  302. if (responseStream != null)
  303. responseStream.Close();
  304. }
  305. return null;
  306. }
  307. /// <summary>
  308. /// 请求百度彩票Url资源
  309. /// </summary>
  310. /// <param name="url">目标Url地址</param>
  311. /// <returns></returns>
  312. public static string GetBaiDuLeCaiResponse(string url)
  313. {
  314. Stream responseStream = null;
  315. try
  316. {
  317. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  318. request.Method = "GET";
  319. request.Timeout = 2 * 60 * 1000;
  320. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  321. request.Headers.Add("Accept-Encoding", "gzip, deflate, sdch");
  322. request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8");
  323. request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
  324. CookieContainer container = new CookieContainer();
  325. Cookie cookie = new Cookie("lehecai_request_control_stats", "2", "/", "baidu.lecai.com");
  326. container.Add(cookie);
  327. cookie = new Cookie("_lcas_uuid", "1886243347", "/", "baidu.lecai.com");
  328. container.Add(cookie);
  329. cookie = new Cookie("_lhc_uuid", "sp_587888388668b5.45001252", "/", "baidu.lecai.com");
  330. container.Add(cookie);
  331. request.CookieContainer = container;
  332. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  333. var contentencode = response.ContentEncoding;
  334. if (contentencode == "gzip")
  335. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  336. else
  337. responseStream = response.GetResponseStream();
  338. using (StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("gb2312")))
  339. {
  340. var content = sr.ReadToEnd();
  341. return content.Replace("\r\n", string.Empty).Trim();
  342. }
  343. }
  344. catch
  345. {
  346. }
  347. finally
  348. {
  349. if (responseStream != null)
  350. responseStream.Close();
  351. }
  352. return null;
  353. }
  354. /// <summary>
  355. /// 请求甘肃11选5Url资源
  356. /// </summary>
  357. /// <param name="url">目标Url地址</param>
  358. /// <returns></returns>
  359. public static string GetGS11X5UrlResponse(string url)
  360. {
  361. Stream responseStream = null;
  362. try
  363. {
  364. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  365. request.Method = "GET";
  366. request.Timeout = 2 * 60 * 1000;
  367. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  368. request.Headers.Add("Accept-Encoding", "gzip, deflate, sdch");
  369. request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8");
  370. request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
  371. CookieContainer container = new CookieContainer();
  372. Cookie cookie = new Cookie("sid", "d4cc22d9-9b4c-49d0-8965-61e3fdbe8167", "/", "www.gstc.org.cn");
  373. container.Add(cookie);
  374. request.CookieContainer = container;
  375. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  376. var contentencode = response.ContentEncoding;
  377. if (contentencode == "gzip")
  378. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  379. else
  380. responseStream = response.GetResponseStream();
  381. using (StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("gb2312")))
  382. {
  383. var content = sr.ReadToEnd();
  384. return content.Replace("\r\n", string.Empty).Trim();
  385. }
  386. }
  387. catch
  388. {
  389. }
  390. finally
  391. {
  392. if (responseStream != null)
  393. responseStream.Close();
  394. }
  395. return null;
  396. }
  397. /// <summary>
  398. /// 请求吉林11选5Url资源
  399. /// </summary>
  400. /// <param name="url">目标Url地址</param>
  401. /// <param name="postdata">传送数据</param>
  402. /// <returns></returns>
  403. public static string GetJL11X5UrlResponse(string url, string postdata)
  404. {
  405. Stream responseStream = null;
  406. try
  407. {
  408. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  409. request.Method = "POST";
  410. request.Timeout = 2 * 60 * 1000;
  411. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";
  412. request.Headers.Add("Accept-Encoding", "gzip, deflate, sdch");
  413. request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8");
  414. request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
  415. request.Referer = "http://jl.lottery.gov.cn/11x5.aspx";
  416. //CookieContainer container = new CookieContainer();
  417. //Cookie cookie = new Cookie("sid", "d4cc22d9-9b4c-49d0-8965-61e3fdbe8167", "/", "www.gstc.org.cn");
  418. //container.Add(cookie);
  419. //request.CookieContainer = container;
  420. byte[] bs = Encoding.UTF8.GetBytes(postdata);
  421. request.ContentLength = bs.Length;
  422. request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
  423. using (Stream requestStream = request.GetRequestStream())
  424. {
  425. requestStream.Write(bs, 0, bs.Length);
  426. }
  427. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  428. var contentencode = response.ContentEncoding;
  429. if (contentencode == "gzip")
  430. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  431. else
  432. responseStream = response.GetResponseStream();
  433. using (StreamReader sr = new StreamReader(responseStream, Encoding.UTF8))
  434. {
  435. var content = sr.ReadToEnd();
  436. return content.Replace("\r\n", string.Empty).Trim();
  437. }
  438. }
  439. catch
  440. {
  441. }
  442. finally
  443. {
  444. if (responseStream != null)
  445. responseStream.Close();
  446. }
  447. return null;
  448. }
  449. /// <summary>
  450. /// 从彩票控爬取山西快乐十分开奖资源
  451. /// </summary>
  452. /// <param name="url">彩票控地址</param>
  453. /// <returns></returns>
  454. public static string GetShanXiTaiYuanKL10FResource(string url)
  455. {
  456. Stream responseStream = null;
  457. try
  458. {
  459. HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
  460. request.Method = "GET";
  461. request.Timeout = 2 * 60 * 1000;
  462. request.Referer = "https://www.baidu.com/link?url=LlPuYDRBAgub8jzVvo8sugb4Js5-NQDPuKAGXZrc-UNS2AiizIzaKJC0C90Jh0rWEK7qargFxEp2lKxQwx1Vxa&wd=&eqid=abe817410018bc0a0000000557393f77";
  463. request.Host = "www.caipiaokong.com";
  464. request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
  465. request.Headers.Add("Accept-Encoding", "gzip, deflate, sdch");
  466. request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8");
  467. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.87 Safari/537.36";
  468. request.Headers.Add("Cache-Control", "max-age=0");
  469. request.Headers.Add("Upgrade-Insecure-Requests", "1");
  470. request.Headers.Add("Cookie", "BAIDU_SSP_lcr=https://www.baidu.com/link?url=LlPuYDRBAgub8jzVvo8sugb4Js5-NQDPuKAGXZrc-UNS2AiizIzaKJC0C90Jh0rWEK7qargFxEp2lKxQwx1Vxa&wd=&eqid=abe817410018bc0a0000000557393f77; __cfduid=d506c4c6a0c7f88d91869fa379b2cb1421462343508; caipiaokong_4891_saltkey=MsvISvSd; caipiaokong_4891_lastvisit=1462339908; caipiaokong_4891_caipiaokong_eNr=1; caipiaokong_4891_lastact=1463370823%09index.php%09shxklsf; Hm_lvt_1fa650cb7d8eae53d0e6fbd8aec3eb67=1463369580,1463369608,1463369847,1463370211; Hm_lpvt_1fa650cb7d8eae53d0e6fbd8aec3eb67=1463370839");
  471. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  472. var contentencode = response.ContentEncoding;
  473. if (contentencode == "gzip")
  474. responseStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
  475. else
  476. responseStream = response.GetResponseStream();
  477. using (StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("gb2312")))//.UTF8))
  478. {
  479. var content = sr.ReadToEnd();
  480. return content;
  481. }
  482. }
  483. catch
  484. {
  485. }
  486. finally
  487. {
  488. if (responseStream != null)
  489. responseStream.Close();
  490. }
  491. return string.Empty;
  492. }
  493. #endregion
  494. /// <summary>
  495. /// 保存网络图片
  496. /// </summary>
  497. /// <param name="ImageUrl">网络图片地址</param>
  498. /// <param name="SavePath">图片保存文件夹</param>
  499. /// <param name="SaveUrl">对应URL访问基础地址</param>
  500. /// <returns></returns>
  501. public static string SaveNetImage(string ImageUrl, string SavePath, string SaveUrl)
  502. {
  503. return SaveNetImage(ImageUrl, SavePath, SaveUrl, string.Empty);
  504. }
  505. /// <summary>
  506. /// 保存网络图片
  507. /// </summary>
  508. /// <param name="ImageUrl">网络图片地址</param>
  509. /// <param name="SavePath">图片保存文件夹</param>
  510. /// <param name="viewUrl">对应URL访问基础地址</param>
  511. /// <param name="FixFolderName">固定文件夹名(用于相同类型图片放在一个文件夹中,可空)</param>
  512. /// <returns></returns>
  513. public static string SaveNetImage(string ImageUrl, string SavePath, string viewUrl, string FixFolderName)
  514. {
  515. try
  516. {
  517. HttpWebRequest request = HttpWebRequest.Create(ImageUrl) as HttpWebRequest;
  518. request.Method = "GET";
  519. request.Timeout = 5000;
  520. request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36";
  521. request.KeepAlive = true;
  522. request.ProtocolVersion = HttpVersion.Version10;
  523. request.Headers.Add("Cookie", "__cfduid=d53136a7fdcb2c4c64f8ed24a66b32f251476954305");
  524. HttpWebResponse response = request.GetResponse() as HttpWebResponse;
  525. Image img = Image.FromStream(response.GetResponseStream());
  526. var today = DateTime.Now.ToString("yyyyMMdd", DateTimeFormatInfo.InvariantInfo);
  527. var saveFolder = Path.Combine(SavePath, today, FixFolderName);
  528. if (!Directory.Exists(saveFolder))
  529. {
  530. Directory.CreateDirectory(saveFolder);
  531. }
  532. var fileExt = Path.GetExtension(ImageUrl).ToLower();
  533. string[] imgExt = new string[] { ".gif", ".jpg", ".jpeg", ".png", ".bmp" };
  534. if (string.IsNullOrWhiteSpace(fileExt) || Array.IndexOf(imgExt, fileExt) == -1)
  535. fileExt = ".jpg";
  536. var savefile = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + fileExt;
  537. img.Save(Path.Combine(saveFolder, savefile));
  538. return UrlCombine(viewUrl, today, FixFolderName, savefile);
  539. }
  540. catch
  541. {
  542. }
  543. return string.Empty;
  544. }
  545. /// <summary>
  546. /// URL路径拼写
  547. /// </summary>
  548. /// <param name="paths">路径参数列表</param>
  549. /// <returns></returns>
  550. public static string UrlCombine(params string[] paths)
  551. {
  552. if (paths == null || paths.Length == 0)
  553. {
  554. throw new ArgumentNullException("paths");
  555. }
  556. StringBuilder sb = new StringBuilder();
  557. string item = string.Empty;
  558. for (int i = 0; i < paths.Length; i++)
  559. {
  560. item = paths[i];
  561. if (item == null)
  562. {
  563. throw new ArgumentNullException("paths");
  564. }
  565. if (item.Length != 0)
  566. {
  567. if (item.StartsWith("/"))
  568. item = item.Substring(1);
  569. if (item.IndexOf(".") != -1)
  570. {
  571. sb.Append(item);
  572. }
  573. else if (item.EndsWith("/"))
  574. sb.Append(item);
  575. else
  576. sb.Append(item + "/");
  577. }
  578. }
  579. return sb.ToString();
  580. }
  581. }
  582. }