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RedisHelper1.cs 25KB

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  1. using System;
  2. using StackExchange.Redis;
  3. using System.Collections.Generic;
  4. using System.Linq;
  5. using Newtonsoft.Json;
  6. using System.Collections;
  7. namespace CallCenter.Utility
  8. {
  9. public class RedisHelper1
  10. {
  11. #region
  12. //执行顺序---静态字段---静态构造函数---构造函数
  13. private static ConnectionMultiplexer redis;
  14. private static IDatabase database;
  15. static RedisHelper1()
  16. {
  17. if (redis == null || !redis.IsConnected)
  18. {
  19. var config = new ConfigurationOptions
  20. {
  21. AbortOnConnectFail = false,
  22. AllowAdmin = true,
  23. ConnectTimeout = 15000,
  24. SyncTimeout = 5000,
  25. ResponseTimeout = 15000,
  26. Password = Configs.GetValue("Redis_Password"),//Redis数据库密码
  27. EndPoints = { Configs.GetValue("Redis_Server1") + ":" + Configs.GetValue("Redis_Port1") }// connectionString 为IP:Port 如”192.168.2.110:6379”
  28. };
  29. redis = ConnectionMultiplexer.Connect(config);
  30. //redis = ConnectionMultiplexer.Connect(Configs.GetValue("Redis_Server1")+":"+Configs.GetValue("Redis_Port1"));
  31. //redis = ConnectionMultiplexer.Connect("192.168.4.18, abortConnect=false");
  32. database = redis.GetDatabase(2);
  33. }
  34. }
  35. #endregion
  36. #region redis 字符串(string)操作
  37. /// <summary>
  38. /// 设置指定键的值
  39. /// </summary>
  40. /// <param name="key"></param>
  41. /// <param name="value"></param>
  42. /// <returns></returns>
  43. public static bool StringSet(string key, string value)
  44. {
  45. return database.StringSet(key, value);
  46. }
  47. /// <summary>
  48. /// 获取指定键的值
  49. /// </summary>
  50. /// <param name="key"></param>
  51. /// <returns></returns>
  52. public static object StringGet(string key)
  53. {
  54. if (string.IsNullOrEmpty(key))
  55. {
  56. return null;
  57. }
  58. else
  59. {
  60. // var rt = database.StringGet(key);
  61. var rt = database.StringGetAsync(key).Result;
  62. if (rt.IsNull)
  63. {
  64. return null ;
  65. }
  66. else
  67. {
  68. return rt;
  69. }
  70. }
  71. }
  72. /// <summary>
  73. /// 获取存储在键上的字符串的子字符串
  74. /// </summary>
  75. /// <param name="key"></param>
  76. /// <param name="start"></param>
  77. /// <param name="end"></param>
  78. /// <returns></returns>
  79. public static object StringGet(string key, int start, int end)
  80. {
  81. var rt = database.StringGetRange(key, start, end);
  82. if (rt.IsNull)
  83. {
  84. return null;
  85. }
  86. else
  87. {
  88. return rt;
  89. }
  90. }
  91. /// <summary>
  92. /// 设置键的字符串值并返回其旧值
  93. /// </summary>
  94. /// <param name="key"></param>
  95. /// <param name="value"></param>
  96. /// <returns></returns>
  97. public static object StringGetAndSet(string key, string value)
  98. {
  99. var rt = database.StringGetSet(key, value);
  100. if (rt.IsNull)
  101. {
  102. return null;
  103. }
  104. else
  105. {
  106. return rt;
  107. }
  108. }
  109. /// <summary>
  110. /// 返回在键处存储的字符串值中偏移处的位值
  111. /// </summary>
  112. /// <param name="key"></param>
  113. /// <param name="offset"></param>
  114. /// <returns></returns>
  115. public static bool StringGetBit(string key, long offset)
  116. {
  117. return database.StringGetBit(key, offset);
  118. }
  119. /// <summary>
  120. /// 获取所有给定键的值
  121. /// </summary>
  122. /// <param name="keys"></param>
  123. /// <returns></returns>
  124. public static List<object> StringMultiGet(string[] keys)
  125. {
  126. List<object> list = new List<object>();
  127. for (int i = 0; i < keys.Length; i++)
  128. {
  129. list.Add(database.StringGet(keys[i]));
  130. }
  131. return list;
  132. }
  133. /// <summary>
  134. /// 存储在键上的字符串值中设置或清除偏移处的位
  135. /// </summary>
  136. /// <param name="key"></param>
  137. /// <param name="offset"></param>
  138. /// <param name="value"></param>
  139. /// <returns></returns>
  140. public static bool StringSetBit(string key, long offset)
  141. {
  142. return database.StringSetBit(key, offset, true);
  143. }
  144. /// <summary>
  145. /// 使用键和到期时间来设置值
  146. /// </summary>
  147. /// <param name="key"></param>
  148. /// <param name="value"></param>
  149. /// <param name="expiry"></param>
  150. /// <returns></returns>
  151. public static bool StringSet(string key, string value, TimeSpan expiry)
  152. {
  153. return database.StringSet(key, value, expiry);
  154. }
  155. /// <summary>
  156. /// 设置键的值,仅当键不存在时
  157. /// </summary>
  158. /// <param name="key"></param>
  159. /// <param name="value"></param>
  160. /// <returns></returns>
  161. public static void StringSetIfAbsent(string key, string value)
  162. {
  163. if (database.StringGet(key) == RedisValue.Null)
  164. {
  165. database.StringSet(key, value);
  166. }
  167. }
  168. /// <summary>
  169. /// 在指定偏移处开始的键处覆盖字符串的一部分
  170. /// </summary>
  171. /// <param name="key">键值</param>
  172. /// <param name="value">值</param>
  173. /// <param name="offset">偏移量</param>
  174. /// <returns></returns>
  175. public static object StringSet(string key, long offset, string value)
  176. {
  177. return database.StringSetRange(key, offset, value);
  178. }
  179. /// <summary>
  180. /// 获取存储在键中的值的长度
  181. /// </summary>
  182. /// <param name="key">键值</param>
  183. /// <returns></returns>
  184. public static long StringSize(string key)
  185. {
  186. return database.StringLength(key);
  187. }
  188. /// <summary>
  189. /// 为多个键分别设置它们的值
  190. /// </summary>
  191. /// <param name="keys"></param>
  192. /// <returns></returns>
  193. public static void StringMultiSet(Dictionary<string, string> dic)
  194. {
  195. foreach (KeyValuePair<string, string> key in dic)
  196. {
  197. database.StringSet(key.Key, key.Value);
  198. }
  199. }
  200. /// <summary>
  201. /// 为多个键分别设置它们的值,仅当键不存在时
  202. /// </summary>
  203. /// <param name="keys">键值集合</param>
  204. /// <returns></returns>
  205. public static void StringMultiSetIfAbsent(Dictionary<string, string> dic)
  206. {
  207. foreach (KeyValuePair<string, string> key in dic)
  208. {
  209. //判断键值是否存在
  210. if (database.StringGet(key.Key) == RedisValue.Null)
  211. {
  212. database.StringSet(key.Key, key.Value);
  213. }
  214. }
  215. }
  216. /// <summary>
  217. /// 将键的整数值按给定的数值增加
  218. /// </summary>
  219. /// <param name="key">键值</param>
  220. /// <param name="value">给定的数值</param>
  221. /// <returns></returns>
  222. public static double StringIncrement(string key, double value)
  223. {
  224. return database.StringIncrement(key, value);
  225. }
  226. /// <summary>
  227. /// 在key键对应值的右面追加值value
  228. /// </summary>
  229. /// <param name="key"></param>
  230. /// <param name="value"></param>
  231. /// <returns></returns>
  232. public static long StringAppend(string key, string value)
  233. {
  234. return database.StringAppend(key, value);
  235. }
  236. /// <summary>
  237. /// 删除某个键值
  238. /// </summary>
  239. /// <param name="key"></param>
  240. /// <returns></returns>
  241. public static bool StringDelete(string key)
  242. {
  243. return false;
  244. }
  245. #endregion
  246. #region redis 哈希/散列/字典(Hash)操作
  247. /// <summary>
  248. /// 删除指定的哈希字段
  249. /// </summary>
  250. /// <param name="key"></param>
  251. /// <param name="field"></param>
  252. /// <returns></returns>
  253. public static bool HashDelete(string key, string field)
  254. {
  255. return database.HashDelete(key, field);
  256. }
  257. /// <summary>
  258. /// 判断是否存在散列字段
  259. /// </summary>
  260. /// <param name=""></param>
  261. /// <param name=""></param>
  262. /// <returns></returns>
  263. public static bool HashHasKey(string key, string field)
  264. {
  265. return database.HashExists(key, field);
  266. }
  267. /// <summary>
  268. /// 获取存储在指定键的哈希字段的值
  269. /// </summary>
  270. /// <param name="key"></param>
  271. /// <param name="field"></param>
  272. /// <returns></returns>
  273. public static object HashGet(string key, string field)
  274. {
  275. return database.HashGet(key, field);
  276. }
  277. /// <summary>
  278. /// 获取存储在指定键的哈希中的所有字段和值
  279. /// </summary>
  280. /// <param name="key"></param>
  281. /// <returns></returns>
  282. public static Dictionary<string, object> HashGetAll(string key)
  283. {
  284. Dictionary<string, object> dic = new Dictionary<string, object>();
  285. var collection = database.HashGetAll(key);
  286. foreach (var item in collection)
  287. {
  288. dic.Add(item.Name, item.Value);
  289. }
  290. return dic;
  291. }
  292. /// <summary>
  293. /// 将哈希字段的浮点值按给定数值增加
  294. /// </summary>
  295. /// <param name="key"></param>
  296. /// <param name="field"></param>
  297. /// <param name="value">给定的数值</param>
  298. /// <returns></returns>
  299. public static double HashIncrement(string key, string field, double value)
  300. {
  301. return database.HashIncrement(key, field, value);
  302. }
  303. /// <summary>
  304. /// 获取哈希中的所有字段
  305. /// </summary>
  306. /// <param name="key"></param>
  307. /// <returns></returns>
  308. public static string[] HashKeys(string key)
  309. {
  310. return database.HashKeys(key).ToStringArray();
  311. }
  312. /// <summary>
  313. /// 获取散列中的字段数量
  314. /// </summary>
  315. /// <param name="key"></param>
  316. /// <returns></returns>
  317. public static long HashSize(string key)
  318. {
  319. return database.HashLength(key);
  320. }
  321. /// <summary>
  322. /// 获取所有给定哈希字段的值
  323. /// </summary>
  324. /// <param name="key"></param>
  325. /// <param name="hashKeys"></param>
  326. /// <returns></returns>
  327. public static List<object> HashMultiGet(string key, List<string> hashKeys)
  328. {
  329. List<object> result = new List<object>();
  330. foreach (string field in hashKeys)
  331. {
  332. result.Add(database.HashGet(key, field));
  333. }
  334. return result;
  335. }
  336. /// <summary>
  337. /// 为多个哈希字段分别设置它们的值
  338. /// </summary>
  339. /// <param name="key"></param>
  340. /// <param name="dic"></param>
  341. /// <returns></returns>
  342. public static void HashPutAll(string key, Dictionary<string, string> dic)
  343. {
  344. List<HashEntry> list = new List<HashEntry>();
  345. for (int i = 0; i < dic.Count; i++)
  346. {
  347. KeyValuePair<string, string> param = dic.ElementAt(i);
  348. list.Add(new HashEntry(param.Key, param.Value));
  349. }
  350. database.HashSet(key, list.ToArray());
  351. }
  352. /// <summary>
  353. /// 设置散列字段的字符串值
  354. /// </summary>
  355. /// <param name="key"></param>
  356. /// <param name="field"></param>
  357. /// <param name="value"></param>
  358. /// <returns></returns>
  359. public static void HashPut(string key, string field, string value)
  360. {
  361. database.HashSet(key, new HashEntry[] { new HashEntry(field, value) });
  362. }
  363. /// <summary>
  364. /// 仅当字段不存在时,才设置散列字段的值
  365. /// </summary>
  366. /// <param name="key"></param>
  367. /// <param name="fiels"></param>
  368. /// <param name="value"></param>
  369. /// <returns></returns>
  370. public static void HashPutIfAbsent(string key, string field, string value)
  371. {
  372. if (!HashHasKey(key, field))
  373. {
  374. database.HashSet(key, new HashEntry[] { new HashEntry(field, value) });
  375. }
  376. }
  377. /// <summary>
  378. /// 获取哈希中的所有值
  379. /// </summary>
  380. /// <param name="key"></param>
  381. /// <returns></returns>
  382. public static string[] HashValues(string key)
  383. {
  384. return database.HashValues(key).ToStringArray();
  385. }
  386. /// <summary>
  387. /// redis中获取指定键的值并返回对象
  388. /// </summary>
  389. /// <typeparam name="T"></typeparam>
  390. /// <param name="key"></param>
  391. /// <returns></returns>
  392. public static T GetHashValue<T>(string key)
  393. {
  394. HashEntry[] array = database.HashGetAll(key);
  395. Dictionary<string, object> dic = new Dictionary<string, object>();
  396. for (int i = 0; i < array.Length; i++)
  397. {
  398. dic.Add(array[i].Name, array[i].Value);
  399. }
  400. if (dic.Count > 0)
  401. {
  402. string strJson = JsonConvert.SerializeObject(dic);
  403. return JsonConvert.DeserializeObject<T>(strJson);
  404. }
  405. else
  406. {
  407. return default(T);
  408. }
  409. }
  410. /// <summary>
  411. /// 把指定对象存储在键值为key的redis中
  412. /// </summary>
  413. /// <typeparam name="T"></typeparam>
  414. /// <param name="t"></param>
  415. /// <param name="key"></param>
  416. public static void SetHashValue<T>(T t, string key)
  417. {
  418. string strJson = JsonConvert.SerializeObject(t);
  419. Dictionary<string, string> param = JsonConvert.DeserializeObject<Dictionary<string, string>>(strJson);
  420. HashPutAll(key, param);
  421. }
  422. #endregion
  423. #region redis 列表(List)操作
  424. /// <summary>
  425. /// 从左向右存压栈
  426. /// </summary>
  427. /// <param name="key"></param>
  428. /// <param name="value"></param>
  429. /// <returns></returns>
  430. public static long ListLeftPush(string key, string value)
  431. {
  432. return database.ListLeftPush(key, value);
  433. }
  434. /// <summary>
  435. /// 从左出栈
  436. /// </summary>
  437. /// <param name="key"></param>
  438. /// <returns></returns>
  439. public static object ListLeftPop(string key)
  440. {
  441. return database.ListLeftPop(key);
  442. }
  443. /// <summary>
  444. /// 队/栈长
  445. /// </summary>
  446. /// <param name="key"></param>
  447. /// <returns></returns>
  448. public static long ListSize(string key)
  449. {
  450. return database.ListLength(key);
  451. }
  452. /// <summary>
  453. /// 范围检索,返回List
  454. /// </summary>
  455. /// <param name="key"></param>
  456. /// <param name="start"></param>
  457. /// <param name="end"></param>
  458. /// <returns></returns>
  459. public static string[] ListRange(string key, int start, int end)
  460. {
  461. return database.ListRange(key, start, end).ToStringArray();
  462. }
  463. /// <summary>
  464. /// 移除key中值为value的i个,返回删除的个数;如果没有这个元素则返回0
  465. /// </summary>
  466. /// <param name="key"></param>
  467. /// <param name="i"></param>
  468. /// <param name="value"></param>
  469. /// <returns></returns>
  470. public static long ListRemove(string key, string value)
  471. {
  472. return database.ListRemove(key, value);
  473. }
  474. /// <summary>
  475. /// 检索
  476. /// </summary>
  477. /// <param name="key"></param>
  478. /// <param name="index"></param>
  479. /// <returns></returns>
  480. public static object ListIndex(string key, long index)
  481. {
  482. return database.ListGetByIndex(key, index);
  483. }
  484. /// <summary>
  485. /// 赋值
  486. /// </summary>
  487. /// <param name="key"></param>
  488. /// <param name="index"></param>
  489. /// <param name="value"></param>
  490. /// <returns></returns>
  491. public static void ListSet(string key, int index, string value)
  492. {
  493. database.ListSetByIndex(key, index, value);
  494. }
  495. /// <summary>
  496. /// 裁剪,删除除了[start,end]以外的所有元素
  497. /// </summary>
  498. /// <param name="key"></param>
  499. /// <param name="start"></param>
  500. /// <param name="end"></param>
  501. /// <returns></returns>
  502. public static void ListTrim(string key, int start, int end)
  503. {
  504. database.ListTrim(key, start, end);
  505. }
  506. /// <summary>
  507. /// 将源key的队列的右边的一个值删除,然后塞入目标key的队列的左边,返回这个值
  508. /// </summary>
  509. /// <param name="sourceKey"></param>
  510. /// <param name="destinationKey"></param>
  511. /// <returns></returns>
  512. public static object ListRightPopAndLeftPush(string sourceKey, string destinationKey)
  513. {
  514. return database.ListRightPopLeftPush(sourceKey, destinationKey);
  515. }
  516. #endregion
  517. #region redis 集合(Set)操作
  518. /// <summary>
  519. /// 集合添加元素
  520. /// </summary>
  521. /// <param name="key"></param>
  522. /// <param name="value"></param>
  523. public static void SetAdd(string key, string value)
  524. {
  525. database.SetAdd(key, value);
  526. }
  527. /// <summary>
  528. /// 集合组合操作
  529. /// </summary>
  530. /// <param name="point">操作标示:0--并集;1--交集;2--差集</param>
  531. /// <param name="firstKey">第一个集合的键值</param>
  532. /// <param name="secondKey">第二个集合的键值</param>
  533. public static string[] SetCombine(int point, string firstKey, string secondKey)
  534. {
  535. RedisValue[] array;
  536. switch (point)
  537. {
  538. case 0:
  539. array = database.SetCombine(SetOperation.Union, firstKey, secondKey);
  540. break;
  541. case 1:
  542. array = database.SetCombine(SetOperation.Intersect, firstKey, secondKey);
  543. break;
  544. case 2:
  545. array = database.SetCombine(SetOperation.Difference, firstKey, secondKey);
  546. break;
  547. default:
  548. array = new RedisValue[0];
  549. break;
  550. }
  551. return array.ToStringArray();
  552. }
  553. /// <summary>
  554. ///
  555. /// </summary>
  556. /// <param name="key"></param>
  557. /// <param name="value"></param>
  558. /// <returns></returns>
  559. public static bool SetContains(string key, string value)
  560. {
  561. return database.SetContains(key, value);
  562. }
  563. /// <summary>
  564. /// 返回对应键值集合的长度
  565. /// </summary>
  566. /// <param name="key"></param>
  567. /// <returns></returns>
  568. public static long SetLength(string key)
  569. {
  570. return database.SetLength(key);
  571. }
  572. /// <summary>
  573. /// 根据键值返回集合中所有的value
  574. /// </summary>
  575. /// <param name="key"></param>
  576. /// <returns></returns>
  577. public static string[] SetMembers(string key)
  578. {
  579. return database.SetMembers(key).ToStringArray();
  580. }
  581. /// <summary>
  582. /// 将成员从源集移动到目标集
  583. /// </summary>
  584. /// <param name="sourceKey">源集key</param>
  585. /// <param name="destinationKey">目标集key</param>
  586. /// <param name="value"></param>
  587. public static bool SetMove(string sourceKey, string destinationKey, string value)
  588. {
  589. return database.SetMove(sourceKey, destinationKey, value);
  590. }
  591. /// <summary>
  592. /// 移除集合中指定键值随机元素
  593. /// </summary>
  594. /// <param name="key"></param>
  595. public static string SetPop(string key)
  596. {
  597. return database.SetPop(key);
  598. }
  599. /// <summary>
  600. /// 返回集合中指定键值随机元素
  601. /// </summary>
  602. /// <param name="key"></param>
  603. /// <returns></returns>
  604. public static string SetRandomMember(string key)
  605. {
  606. return database.SetRandomMember(key);
  607. }
  608. /// <summary>
  609. ///
  610. /// </summary>
  611. /// <param name="key"></param>
  612. /// <param name="count"></param>
  613. public static string[] SetRandomMembers(string key, long count)
  614. {
  615. return database.SetRandomMembers(key, count).ToStringArray();
  616. }
  617. /// <summary>
  618. /// 移除集合中指定key值和value
  619. /// </summary>
  620. /// <param name="key"></param>
  621. /// <param name="value"></param>
  622. public static void SetRemove(string key, string value)
  623. {
  624. database.SetRemove(key, value);
  625. }
  626. /// <summary>
  627. ///
  628. /// </summary>
  629. /// <param name="key"></param>
  630. public static void SetScan(string key)
  631. {
  632. database.SetScan(key);
  633. }
  634. #endregion
  635. #region redis 有序集合(sorted set)操作
  636. public static void Method(string key, string value, double score)
  637. {
  638. database.SortedSetAdd(key, new SortedSetEntry[] { new SortedSetEntry(value, score) });
  639. }
  640. #endregion
  641. #region redis 键(Key)操作
  642. /// <summary>
  643. /// 获取 Key
  644. /// </summary>
  645. /// <param name="redisKey"></param>
  646. /// <returns></returns>
  647. //public static IEnumerable<RedisKey> GetKeyList(string redisKey)
  648. //{
  649. // var server = redis.GetServer(Configs.GetValue("Redis_Server"), Configs.GetValue("Redis_Port"));
  650. // return server.Keys(pattern: "*"+ redisKey + "*");
  651. //}
  652. public static List<string> GetKeyList(string redisKey)
  653. {
  654. var server = redis.GetServer(Configs.GetValue("Redis_Server"), Int32.Parse( Configs.GetValue("Redis_Port")));
  655. List<string> keylist = new List<string>();
  656. var redisenum = server.Keys(pattern: "*" + redisKey + "*");
  657. foreach (var r in redisenum.ToList())
  658. {
  659. keylist.Add(r.ToString());
  660. }
  661. return keylist;
  662. }
  663. /// <summary>
  664. /// 移除指定 Key
  665. /// </summary>
  666. /// <param name="redisKey"></param>
  667. /// <returns></returns>
  668. public static bool KeyDelete(string redisKey)
  669. {
  670. if (KeyExists(redisKey))
  671. return database.KeyDelete(redisKey);
  672. else
  673. return true;
  674. }
  675. /// <summary>
  676. /// 移除指定 Key
  677. /// </summary>
  678. /// <param name="redisKey"></param>
  679. /// <returns></returns>
  680. //public static long KeysDelete(IEnumerable<RedisKey> redisKeys)
  681. //{
  682. // return database.KeyDelete(redisKeys.ToArray());
  683. //}
  684. public static long KeysDelete(List<string> redisKeys)
  685. {
  686. int n = 0;
  687. foreach (var r in redisKeys)
  688. {
  689. if (database.KeyDelete(r))
  690. {
  691. n++;
  692. }
  693. }
  694. return n;
  695. }
  696. /// <summary>
  697. /// 校验 Key 是否存在
  698. /// </summary>
  699. /// <param name="redisKey"></param>
  700. /// <returns></returns>
  701. public static bool KeyExists(string redisKey)
  702. {
  703. return database.KeyExists(redisKey);
  704. }
  705. /// <summary>
  706. /// 重命名 Key
  707. /// </summary>
  708. /// <param name="redisKey"></param>
  709. /// <param name="redisNewKey"></param>
  710. /// <returns></returns>
  711. public static bool KeyRename(string redisKey, string redisNewKey)
  712. {
  713. return database.KeyRename(redisKey, redisNewKey);
  714. }
  715. /// <summary>
  716. /// 设置 Key 的时间
  717. /// </summary>
  718. /// <param name="redisKey"></param>
  719. /// <param name="expiry"></param>
  720. /// <returns></returns>
  721. public static bool KeyExpire(string redisKey, TimeSpan? expiry)
  722. {
  723. return database.KeyExpire(redisKey, expiry);
  724. }
  725. #endregion
  726. /// <summary>
  727. /// 获取key过期时间
  728. /// </summary>
  729. /// <param name="redisKey"></param>
  730. /// <returns></returns>
  731. public static string GetKeyOutTime(string redisKey)
  732. {
  733. var server = redis.GetServer(Configs.GetValue("Redis_Server"), Int32.Parse(Configs.GetValue("Redis_Port")));
  734. var timeNow = server.Time().ToUniversalTime();
  735. var time = database.KeyTimeToLive(redisKey);
  736. var expire = time == null ? (DateTime?)null : timeNow.Add(time.Value); //返回UTC时间。
  737. return expire == null ? "" : expire.Value.AddHours(8).ToString("yyyy-MM-dd HH:mm:ss");
  738. }
  739. }
  740. }