SelectTable.cs 37 KB

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  1. // 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证。
  2. //
  3. // 必须在法律法规允许的范围内正确使用,严禁将其用于非法、欺诈、恶意或侵犯他人合法权益的目的。
  4. using AspectCore.Extensions.Reflection;
  5. using System.Dynamic;
  6. namespace Admin.NET.Core.Service;
  7. /// <summary>
  8. ///
  9. /// </summary>
  10. public class SelectTable : ISingleton
  11. {
  12. private readonly IdentityService _identitySvc;
  13. private readonly TableMapper _tableMapper;
  14. private readonly ISqlSugarClient _db;
  15. public SelectTable(IdentityService identityService, TableMapper tableMapper, ISqlSugarClient dbClient)
  16. {
  17. _identitySvc = identityService;
  18. _tableMapper = tableMapper;
  19. _db = dbClient;
  20. }
  21. /// <summary>
  22. /// 判断表名是否正确,若不正确则抛异常
  23. /// </summary>
  24. /// <param name="table"></param>
  25. /// <returns></returns>
  26. public virtual bool IsTable(string table)
  27. {
  28. return _db.DbMaintenance.GetTableInfoList().Any(it => it.Name.Equals(table, StringComparison.CurrentCultureIgnoreCase))
  29. ? true
  30. : throw new Exception($"表名【{table}】不正确!");
  31. }
  32. /// <summary>
  33. /// 判断表的列名是否正确,如果不正确则抛异常,更早地暴露给调用方
  34. /// </summary>
  35. /// <param name="table"></param>
  36. /// <param name="col"></param>
  37. /// <returns></returns>
  38. public virtual bool IsCol(string table, string col)
  39. {
  40. return _db.DbMaintenance.GetColumnInfosByTableName(table).Any(it => it.DbColumnName.Equals(col, StringComparison.CurrentCultureIgnoreCase))
  41. ? true
  42. : throw new Exception($"表【{table}】不存在列【{col}】!请检查输入参数");
  43. }
  44. /// <summary>
  45. /// 查询列表数据
  46. /// </summary>
  47. /// <param name="subtable"></param>
  48. /// <param name="page"></param>
  49. /// <param name="count"></param>
  50. /// <param name="query"></param>
  51. /// <param name="json"></param>
  52. /// <param name="dd"></param>
  53. /// <returns></returns>
  54. public virtual Tuple<dynamic, int> GetTableData(string subtable, int page, int count, int query, string json, JObject dd)
  55. {
  56. var role = _identitySvc.GetSelectRole(subtable);
  57. if (!role.Item1)
  58. throw new Exception(role.Item2);
  59. var selectrole = role.Item2;
  60. subtable = _tableMapper.GetTableName(subtable);
  61. var values = JObject.Parse(json);
  62. page = values["page"] == null ? page : int.Parse(values["page"].ToString());
  63. count = values["count"] == null ? count : int.Parse(values["count"].ToString());
  64. query = values["query"] == null ? query : int.Parse(values["query"].ToString());
  65. values.Remove("page");
  66. values.Remove("count");
  67. // 构造查询过程
  68. var tb = SugarQueryable(subtable, selectrole, values, dd);
  69. // 实际会在这里执行
  70. if (query == 1) // 1-总数
  71. {
  72. return new Tuple<dynamic, int>(null, tb.MergeTable().Count());
  73. }
  74. else
  75. {
  76. if (page > 0) // 分页
  77. {
  78. int total = 0;
  79. if (query == 0)
  80. return new Tuple<dynamic, int>(tb.ToPageList(page, count), total); // 0-对象
  81. else
  82. return new Tuple<dynamic, int>(tb.ToPageList(page, count, ref total), total); // 2-以上全部
  83. }
  84. else // 列表
  85. {
  86. IList l = tb.ToList();
  87. return query == 0 ? new Tuple<dynamic, int>(l, 0) : new Tuple<dynamic, int>(l, l.Count);
  88. }
  89. }
  90. }
  91. /// <summary>
  92. /// 解析并查询
  93. /// </summary>
  94. /// <param name="queryJson"></param>
  95. /// <returns></returns>
  96. public virtual JObject Query(string queryJson)
  97. {
  98. var queryJobj = JObject.Parse(queryJson);
  99. return Query(queryJobj);
  100. }
  101. /// <summary>
  102. /// 单表查询
  103. /// </summary>
  104. /// <param name="queryObj"></param>
  105. /// <param name="nodeName">返回数据的节点名称 默认为 infos</param>
  106. /// <returns></returns>
  107. public virtual JObject QuerySingle(JObject queryObj, string nodeName = "infos")
  108. {
  109. var resultObj = new JObject();
  110. var total = 0;
  111. foreach (var item in queryObj)
  112. {
  113. var key = item.Key.Trim();
  114. if (key.EndsWith("[]"))
  115. {
  116. total = QuerySingleList(resultObj, item, nodeName);
  117. }
  118. else if (key.Equals("func"))
  119. {
  120. ExecFunc(resultObj, item);
  121. }
  122. else if (key.Equals("total@") || key.Equals("total"))
  123. {
  124. resultObj.Add("total", total);
  125. }
  126. }
  127. return resultObj;
  128. }
  129. /// <summary>
  130. /// 获取查询语句
  131. /// </summary>
  132. /// <param name="queryObj"></param>
  133. /// <returns></returns>
  134. public virtual string ToSql(JObject queryObj)
  135. {
  136. foreach (var item in queryObj)
  137. {
  138. if (item.Key.Trim().EndsWith("[]"))
  139. return ToSql(item);
  140. }
  141. return string.Empty;
  142. }
  143. /// <summary>
  144. /// 解析并查询
  145. /// </summary>
  146. /// <param name="queryObj"></param>
  147. /// <returns></returns>
  148. public virtual JObject Query(JObject queryObj)
  149. {
  150. var resultObj = new JObject();
  151. int total;
  152. foreach (var item in queryObj)
  153. {
  154. var key = item.Key.Trim();
  155. if (key.Equals("[]")) // 列表
  156. {
  157. total = QueryMoreList(resultObj, item);
  158. resultObj.Add("total", total); // 只要是列表查询都自动返回总数
  159. }
  160. else if (key.EndsWith("[]"))
  161. {
  162. total = QuerySingleList(resultObj, item);
  163. }
  164. else if (key.Equals("func"))
  165. {
  166. ExecFunc(resultObj, item);
  167. }
  168. else if (key.Equals("total@") || key.Equals("total"))
  169. {
  170. // resultObj.Add("total", total);
  171. continue;
  172. }
  173. else // 单条
  174. {
  175. var template = GetFirstData(key, item.Value.ToString(), resultObj);
  176. if (template != null)
  177. resultObj.Add(key, JToken.FromObject(template));
  178. }
  179. }
  180. return resultObj;
  181. }
  182. // 动态调用方法
  183. private object ExecFunc(string funcname, object[] param, Type[] types)
  184. {
  185. var method = typeof(FuncList).GetMethod(funcname);
  186. var reflector = method.GetReflector();
  187. var result = reflector.Invoke(new FuncList(), param);
  188. return result;
  189. }
  190. // 生成sql
  191. private string ToSql(string subtable, int page, int count, int query, string json)
  192. {
  193. var values = JObject.Parse(json);
  194. page = values["page"] == null ? page : int.Parse(values["page"].ToString());
  195. count = values["count"] == null ? count : int.Parse(values["count"].ToString());
  196. query = values["query"] == null ? query : int.Parse(values["query"].ToString());
  197. values.Remove("page");
  198. values.Remove("count");
  199. subtable = _tableMapper.GetTableName(subtable);
  200. var tb = SugarQueryable(subtable, "*", values, null);
  201. var sqlObj = tb.Skip((page - 1) * count).Take(10).ToSql();
  202. return sqlObj.Key;
  203. }
  204. /// <summary>
  205. /// 查询第一条数据
  206. /// </summary>
  207. /// <param name="subtable"></param>
  208. /// <param name="json"></param>
  209. /// <param name="job"></param>
  210. /// <returns></returns>
  211. /// <exception cref="Exception"></exception>
  212. private dynamic GetFirstData(string subtable, string json, JObject job)
  213. {
  214. var role = _identitySvc.GetSelectRole(subtable);
  215. if (!role.Item1)
  216. throw new Exception(role.Item2);
  217. var selectrole = role.Item2;
  218. subtable = _tableMapper.GetTableName(subtable);
  219. var values = JObject.Parse(json);
  220. values.Remove("page");
  221. values.Remove("count");
  222. var tb = SugarQueryable(subtable, selectrole, values, job).First();
  223. var dic = (IDictionary<string, object>)tb;
  224. foreach (var item in values.Properties().Where(it => it.Name.EndsWith("()")))
  225. {
  226. if (item.Value.IsNullOrEmpty())
  227. {
  228. var func = item.Value.ToString().Substring(0, item.Value.ToString().IndexOf("("));
  229. var param = item.Value.ToString().Substring(item.Value.ToString().IndexOf("(") + 1).TrimEnd(')');
  230. var types = new List<Type>();
  231. var paramss = new List<object>();
  232. foreach (var va in param.Split(','))
  233. {
  234. types.Add(typeof(object));
  235. paramss.Add(tb.Where(it => it.Key.Equals(va)).Select(i => i.Value));
  236. }
  237. dic[item.Name] = ExecFunc(func, paramss.ToArray(), types.ToArray());
  238. }
  239. }
  240. return tb;
  241. }
  242. // 单表查询,返回的数据在指定的NodeName节点
  243. private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item, string nodeName)
  244. {
  245. var key = item.Key.Trim();
  246. var jb = JObject.Parse(item.Value.ToString());
  247. int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
  248. int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
  249. int query = jb["query"] == null ? 2 : int.Parse(jb["query"].ToString()); // 默认输出数据和数量
  250. int total = 0;
  251. jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
  252. var htt = new JArray();
  253. foreach (var t in jb)
  254. {
  255. var datas = GetTableData(t.Key, page, count, query, t.Value.ToString(), null);
  256. if (query > 0)
  257. total = datas.Item2;
  258. foreach (var data in datas.Item1)
  259. {
  260. htt.Add(JToken.FromObject(data));
  261. }
  262. }
  263. if (!string.IsNullOrEmpty(nodeName))
  264. resultObj.Add(nodeName, htt);
  265. else
  266. resultObj.Add(key, htt);
  267. return total;
  268. }
  269. // 生成sql
  270. private string ToSql(KeyValuePair<string, JToken> item)
  271. {
  272. var jb = JObject.Parse(item.Value.ToString());
  273. int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
  274. int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
  275. int query = jb["query"] == null ? 2 : int.Parse(jb["query"].ToString()); // 默认输出数据和数量
  276. jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
  277. foreach (var t in jb)
  278. {
  279. return ToSql(t.Key, page, count, query, t.Value.ToString());
  280. }
  281. return string.Empty;
  282. }
  283. // 单表查询
  284. private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item)
  285. {
  286. var key = item.Key.TrimEnd("[]");
  287. return QuerySingleList(resultObj, item, key);
  288. }
  289. /// <summary>
  290. /// 多列表查询
  291. /// </summary>
  292. /// <param name="resultObj"></param>
  293. /// <param name="item"></param>
  294. /// <returns></returns>
  295. private int QueryMoreList(JObject resultObj, KeyValuePair<string, JToken> item)
  296. {
  297. int total = 0;
  298. var jb = JObject.Parse(item.Value.ToString());
  299. var page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
  300. var count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
  301. var query = jb["query"] == null ? 2 : int.Parse(jb["query"].ToString()); // 默认输出数据和数量
  302. jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
  303. var htt = new JArray();
  304. List<string> tables = new List<string>(), where = new List<string>();
  305. foreach (var t in jb)
  306. {
  307. tables.Add(t.Key); where.Add(t.Value.ToString());
  308. }
  309. if (tables.Count > 0)
  310. {
  311. string table = tables[0].TrimEnd("[]");
  312. var temp = GetTableData(table, page, count, query, where[0], null);
  313. if (query > 0)
  314. total = temp.Item2;
  315. // 关联查询,先查子表数据,再根据外键循环查询主表
  316. foreach (var dd in temp.Item1)
  317. {
  318. var zht = new JObject
  319. {
  320. { table, JToken.FromObject(dd) }
  321. };
  322. for (int i = 1; i < tables.Count; i++) // 从第二个表开始循环
  323. {
  324. string subtable = tables[i];
  325. // 有bug,暂不支持[]分支
  326. //if (subtable.EndsWith("[]"))
  327. //{
  328. // string tableName = subtable.TrimEnd("[]".ToCharArray());
  329. // var jbb = JObject.Parse(where[i]);
  330. // page = jbb["page"] == null ? 0 : int.Parse(jbb["page"].ToString());
  331. // count = jbb["count"] == null ? 0 : int.Parse(jbb["count"].ToString());
  332. // var lt = new JArray();
  333. // foreach (var d in GetTableData(tableName, page, count, query, item.Value[subtable].ToString(), zht).Item1)
  334. // {
  335. // lt.Add(JToken.FromObject(d));
  336. // }
  337. // zht.Add(tables[i], lt);
  338. //}
  339. //else
  340. //{
  341. var ddf = GetFirstData(subtable, where[i].ToString(), zht);
  342. if (ddf != null)
  343. zht.Add(subtable, JToken.FromObject(ddf));
  344. }
  345. htt.Add(zht);
  346. }
  347. }
  348. if (query != 1)
  349. resultObj.Add("[]", htt);
  350. // 分页自动添加当前页数和数量
  351. if (page > 0 && count > 0)
  352. {
  353. resultObj.Add("page", page);
  354. resultObj.Add("count", count);
  355. resultObj.Add("max", (int)Math.Ceiling((decimal)total / count));
  356. }
  357. return total;
  358. }
  359. // 执行方法
  360. private void ExecFunc(JObject resultObj, KeyValuePair<string, JToken> item)
  361. {
  362. var jb = JObject.Parse(item.Value.ToString());
  363. var dataJObj = new JObject();
  364. foreach (var f in jb)
  365. {
  366. var types = new List<Type>();
  367. var param = new List<object>();
  368. foreach (var va in JArray.Parse(f.Value.ToString()))
  369. {
  370. types.Add(typeof(object));
  371. param.Add(va);
  372. }
  373. dataJObj.Add(f.Key, JToken.FromObject(ExecFunc(f.Key, param.ToArray(), types.ToArray())));
  374. }
  375. resultObj.Add("func", dataJObj);
  376. }
  377. /// <summary>
  378. /// 构造查询过程
  379. /// </summary>
  380. /// <param name="subtable"></param>
  381. /// <param name="selectrole"></param>
  382. /// <param name="values"></param>
  383. /// <param name="dd"></param>
  384. /// <returns></returns>
  385. private ISugarQueryable<ExpandoObject> SugarQueryable(string subtable, string selectrole, JObject values, JObject dd)
  386. {
  387. IsTable(subtable);
  388. var tb = _db.Queryable(subtable, "tb");
  389. // select
  390. if (values["@column"].IsNullOrEmpty())
  391. {
  392. ProcessColumn(subtable, selectrole, values, tb);
  393. }
  394. else
  395. {
  396. tb.Select(selectrole);
  397. }
  398. // 前几行
  399. ProcessLimit(values, tb);
  400. // where
  401. ProcessWhere(subtable, values, tb, dd);
  402. // 排序
  403. ProcessOrder(subtable, values, tb);
  404. // 分组
  405. PrccessGroup(subtable, values, tb);
  406. // Having
  407. ProcessHaving(values, tb);
  408. return tb;
  409. }
  410. // 处理字段重命名 "@column":"toId:parentId",对应SQL是toId AS parentId,将查询的字段toId变为parentId返回
  411. private void ProcessColumn(string subtable, string selectrole, JObject values, ISugarQueryable<ExpandoObject> tb)
  412. {
  413. var str = new System.Text.StringBuilder(100);
  414. foreach (var item in values["@column"].ToString().Split(','))
  415. {
  416. var ziduan = item.Split(':');
  417. var colName = ziduan[0];
  418. var ma = new Regex(@"\((\w+)\)").Match(colName);
  419. // 处理max、min这样的函数
  420. if (ma.Success && ma.Groups.Count > 1)
  421. colName = ma.Groups[1].Value;
  422. // 判断列表是否有权限 sum(1)、sum(*)、Count(1)这样的值直接有效
  423. if (colName == "*" || int.TryParse(colName, out int colNumber) || (IsCol(subtable, colName) && _identitySvc.ColIsRole(colName, selectrole.Split(','))))
  424. {
  425. if (ziduan.Length > 1)
  426. {
  427. if (ziduan[1].Length > 20)
  428. throw new Exception("别名不能超过20个字符");
  429. str.Append(ziduan[0] + " as `" + ReplaceSQLChar(ziduan[1]) + "`,");
  430. }
  431. // 不对函数加``,解决sum(*)、Count(1)等不能使用的问题
  432. else if (ziduan[0].Contains('('))
  433. {
  434. str.Append(ziduan[0] + ",");
  435. }
  436. else
  437. str.Append("`" + ziduan[0] + "`" + ",");
  438. }
  439. }
  440. if (string.IsNullOrEmpty(str.ToString()))
  441. throw new Exception($"表名{subtable}没有可查询的字段!");
  442. tb.Select(str.ToString().TrimEnd(','));
  443. }
  444. /// <summary>
  445. /// 构造查询条件 where
  446. /// </summary>
  447. /// <param name="subtable"></param>
  448. /// <param name="values"></param>
  449. /// <param name="tb"></param>
  450. /// <param name="dd"></param>
  451. private void ProcessWhere(string subtable, JObject values, ISugarQueryable<ExpandoObject> tb, JObject dd)
  452. {
  453. var conModels = new List<IConditionalModel>();
  454. if (values["identity"].IsNullOrEmpty())
  455. conModels.Add(new ConditionalModel() { FieldName = values["identity"].ToString(), ConditionalType = ConditionalType.Equal, FieldValue = _identitySvc.GetUserIdentity() });
  456. foreach (var va in values)
  457. {
  458. string key = va.Key.Trim();
  459. string fieldValue = va.Value.ToString();
  460. if (key.StartsWith("@"))
  461. {
  462. continue;
  463. }
  464. if (key.EndsWith("$")) // 模糊查询
  465. {
  466. FuzzyQuery(subtable, conModels, va);
  467. }
  468. else if (key.EndsWith("{}")) // 逻辑运算
  469. {
  470. ConditionQuery(subtable, conModels, va);
  471. }
  472. else if (key.EndsWith("%")) // bwtween查询
  473. {
  474. ConditionBetween(subtable, conModels, va, tb);
  475. }
  476. else if (key.EndsWith("@")) // 关联上一个table
  477. {
  478. if (dd == null)
  479. continue;
  480. var str = fieldValue.Split('/');
  481. var lastTableRecord = ((JObject)dd[str[^2]]);
  482. if (!lastTableRecord.ContainsKey(str[^1]))
  483. throw new Exception($"找不到关联列:{str},请在{str[^2]}@column中设置");
  484. var value = lastTableRecord[str[^1]].ToString();
  485. conModels.Add(new ConditionalModel() { FieldName = key.TrimEnd('@'), ConditionalType = ConditionalType.Equal, FieldValue = value });
  486. }
  487. else if (key.EndsWith("~")) // 不等于(应该是正则匹配)
  488. {
  489. //conModels.Add(new ConditionalModel() { FieldName = key.TrimEnd('~'), ConditionalType = ConditionalType.NoEqual, FieldValue = fieldValue });
  490. }
  491. else if (IsCol(subtable, key.TrimEnd('!'))) // 其他where条件
  492. {
  493. ConditionEqual(subtable, conModels, va);
  494. }
  495. }
  496. if (conModels.Any())
  497. tb.Where(conModels);
  498. }
  499. // "@having":"function0(...)?value0;function1(...)?value1;function2(...)?value2...",
  500. // SQL函数条件,一般和 @group一起用,函数一般在 @column里声明
  501. private void ProcessHaving(JObject values, ISugarQueryable<ExpandoObject> tb)
  502. {
  503. if (values["@having"].IsNullOrEmpty())
  504. {
  505. var hw = new List<IConditionalModel>();
  506. var havingItems = new List<string>();
  507. if (values["@having"].HasValues)
  508. {
  509. havingItems = values["@having"].Select(p => p.ToString()).ToList();
  510. }
  511. else
  512. {
  513. havingItems.Add(values["@having"].ToString());
  514. }
  515. foreach (var item in havingItems)
  516. {
  517. var and = item.ToString();
  518. var model = new ConditionalModel();
  519. if (and.Contains(">="))
  520. {
  521. model.FieldName = and.Split(new string[] { ">=" }, StringSplitOptions.RemoveEmptyEntries)[0];
  522. model.ConditionalType = ConditionalType.GreaterThanOrEqual;
  523. model.FieldValue = and.Split(new string[] { ">=" }, StringSplitOptions.RemoveEmptyEntries)[1];
  524. }
  525. else if (and.Contains("<="))
  526. {
  527. model.FieldName = and.Split(new string[] { "<=" }, StringSplitOptions.RemoveEmptyEntries)[0];
  528. model.ConditionalType = ConditionalType.LessThanOrEqual;
  529. model.FieldValue = and.Split(new string[] { "<=" }, StringSplitOptions.RemoveEmptyEntries)[1];
  530. }
  531. else if (and.Contains(">"))
  532. {
  533. model.FieldName = and.Split(new string[] { ">" }, StringSplitOptions.RemoveEmptyEntries)[0];
  534. model.ConditionalType = ConditionalType.GreaterThan;
  535. model.FieldValue = and.Split(new string[] { ">" }, StringSplitOptions.RemoveEmptyEntries)[1];
  536. }
  537. else if (and.Contains("<"))
  538. {
  539. model.FieldName = and.Split(new string[] { "<" }, StringSplitOptions.RemoveEmptyEntries)[0];
  540. model.ConditionalType = ConditionalType.LessThan;
  541. model.FieldValue = and.Split(new string[] { "<" }, StringSplitOptions.RemoveEmptyEntries)[1];
  542. }
  543. else if (and.Contains("!="))
  544. {
  545. model.FieldName = and.Split(new string[] { "!=" }, StringSplitOptions.RemoveEmptyEntries)[0];
  546. model.ConditionalType = ConditionalType.NoEqual;
  547. model.FieldValue = and.Split(new string[] { "!=" }, StringSplitOptions.RemoveEmptyEntries)[1];
  548. }
  549. else if (and.Contains("="))
  550. {
  551. model.FieldName = and.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries)[0];
  552. model.ConditionalType = ConditionalType.Equal;
  553. model.FieldValue = and.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries)[1];
  554. }
  555. hw.Add(model);
  556. }
  557. //var d = db.Context.Utilities.ConditionalModelToSql(hw);
  558. //tb.Having(d.Key, d.Value);
  559. tb.Having(string.Join(",", havingItems));
  560. }
  561. }
  562. // "@group":"column0,column1...",分组方式。如果 @column里声明了Table的id,则id也必须在 @group中声明;其它情况下必须满足至少一个条件:
  563. // 1.分组的key在 @column里声明
  564. // 2.Table主键在 @group中声明
  565. private void PrccessGroup(string subtable, JObject values, ISugarQueryable<ExpandoObject> tb)
  566. {
  567. if (values["@group"].IsNullOrEmpty())
  568. {
  569. var groupList = new List<GroupByModel>(); // 多库兼容写法
  570. foreach (var col in values["@group"].ToString().Split(','))
  571. {
  572. if (IsCol(subtable, col))
  573. {
  574. // str.Append(and + ",");
  575. groupList.Add(new GroupByModel() { FieldName = col });
  576. }
  577. }
  578. if (groupList.Any())
  579. tb.GroupBy(groupList);
  580. }
  581. }
  582. // 处理排序 "@order":"name-,id"查询按 name降序、id默认顺序 排序的User数组
  583. private void ProcessOrder(string subtable, JObject values, ISugarQueryable<ExpandoObject> tb)
  584. {
  585. if (values["@order"].IsNullOrEmpty())
  586. {
  587. var orderList = new List<OrderByModel>(); // 多库兼容写法
  588. foreach (var item in values["@order"].ToString().Split(','))
  589. {
  590. string col = item.Replace("-", "").Replace("+", "").Replace(" desc", "").Replace(" asc", ""); // 增加对原生排序的支持
  591. if (IsCol(subtable, col))
  592. {
  593. orderList.Add(new OrderByModel()
  594. {
  595. FieldName = col,
  596. OrderByType = item.EndsWith("-") || item.EndsWith(" desc") ? OrderByType.Desc : OrderByType.Asc
  597. });
  598. }
  599. }
  600. if (orderList.Any())
  601. tb.OrderBy(orderList);
  602. }
  603. }
  604. /// <summary>
  605. /// 表内参数"@count"(int):查询前几行,不能同时使用count和@count函数
  606. /// </summary>
  607. /// <param name="values"></param>
  608. /// <param name="tb"></param>
  609. private void ProcessLimit(JObject values, ISugarQueryable<ExpandoObject> tb)
  610. {
  611. if (values["@count"].IsNullOrEmpty())
  612. {
  613. int c = values["@count"].ToObject<int>();
  614. tb.Take(c);
  615. }
  616. }
  617. // 条件查询 "key{}":"条件0,条件1...",条件为任意SQL比较表达式字符串,非Number类型必须用''包含条件的值,如'a'
  618. // &, |, ! 逻辑运算符,对应数据库 SQL 中的 AND, OR, NOT。
  619. // 横或纵与:同一字段的值内条件默认 | 或连接,不同字段的条件默认 & 与连接。
  620. // ① & 可用于"key&{}":"条件"等
  621. // ② | 可用于"key|{}":"条件", "key|{}":[] 等,一般可省略
  622. // ③ ! 可单独使用,如"key!":Object,也可像&,|一样配合其他功能符使用
  623. private void ConditionQuery(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
  624. {
  625. var vakey = va.Key.Trim();
  626. var field = vakey.TrimEnd("{}".ToCharArray());
  627. var columnName = field.TrimEnd(new char[] { '&', '|' });
  628. IsCol(subtable, columnName);
  629. var ddt = new List<KeyValuePair<WhereType, ConditionalModel>>();
  630. foreach (var and in va.Value.ToString().Split(','))
  631. {
  632. var model = new ConditionalModel
  633. {
  634. FieldName = columnName
  635. };
  636. if (and.StartsWith(">="))
  637. {
  638. model.ConditionalType = ConditionalType.GreaterThanOrEqual;
  639. model.FieldValue = and.TrimStart(">=".ToCharArray());
  640. }
  641. else if (and.StartsWith("<="))
  642. {
  643. model.ConditionalType = ConditionalType.LessThanOrEqual;
  644. model.FieldValue = and.TrimStart("<=".ToCharArray());
  645. }
  646. else if (and.StartsWith(">"))
  647. {
  648. model.ConditionalType = ConditionalType.GreaterThan;
  649. model.FieldValue = and.TrimStart('>');
  650. }
  651. else if (and.StartsWith("<"))
  652. {
  653. model.ConditionalType = ConditionalType.LessThan;
  654. model.FieldValue = and.TrimStart('<');
  655. }
  656. model.CSharpTypeName = FuncList.GetValueCSharpType(model.FieldValue);
  657. ddt.Add(new KeyValuePair<WhereType, ConditionalModel>(field.EndsWith("!") ? WhereType.Or : WhereType.And, model));
  658. }
  659. conModels.Add(new ConditionalCollections() { ConditionalList = ddt });
  660. }
  661. /// <summary>
  662. /// "key%":"start,end" => "key%":["start,end"],其中 start 和 end 都只能为 Boolean, Number, String 中的一种,如 "2017-01-01,2019-01-01" ,["1,90000", "82001,100000"] ,可用于连续范围内的筛选
  663. /// 目前不支持数组形式
  664. /// </summary>
  665. /// <param name="subtable"></param>
  666. /// <param name="conModels"></param>
  667. /// <param name="va"></param>
  668. /// <param name="tb"></param>
  669. private void ConditionBetween(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va, ISugarQueryable<ExpandoObject> tb)
  670. {
  671. var vakey = va.Key.Trim();
  672. var field = vakey.TrimEnd("%".ToCharArray());
  673. var inValues = new List<string>();
  674. if (va.Value.HasValues)
  675. {
  676. foreach (var cm in va.Value)
  677. {
  678. inValues.Add(cm.ToString());
  679. }
  680. }
  681. else
  682. {
  683. inValues.Add(va.Value.ToString());
  684. }
  685. for (var i = 0; i < inValues.Count; i++)
  686. {
  687. var fileds = inValues[i].Split(',');
  688. if (fileds.Length == 2)
  689. {
  690. var type = FuncList.GetValueCSharpType(fileds[0]);
  691. ObjectFuncModel f = ObjectFuncModel.Create("between", field, $"{{{type}}}:{fileds[0]}", $"{{{type}}}:{fileds[1]}");
  692. tb.Where(f);
  693. }
  694. }
  695. }
  696. /// <summary>
  697. /// 等于、不等于、in 、not in
  698. /// </summary>
  699. /// <param name="subtable"></param>
  700. /// <param name="conModels"></param>
  701. /// <param name="va"></param>
  702. private void ConditionEqual(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
  703. {
  704. var key = va.Key;
  705. var fieldValue = va.Value.ToString();
  706. // in / not in
  707. if (va.Value is JArray)
  708. {
  709. conModels.Add(new ConditionalModel()
  710. {
  711. FieldName = key.TrimEnd('!'),
  712. ConditionalType = key.EndsWith("!") ? ConditionalType.NotIn : ConditionalType.In,
  713. FieldValue = va.Value.ToObject<string[]>().Aggregate((a, b) => a + "," + b)
  714. });
  715. }
  716. else
  717. {
  718. if (string.IsNullOrEmpty(fieldValue))
  719. {
  720. // is not null or ''
  721. if (key.EndsWith("!"))
  722. {
  723. conModels.Add(new ConditionalModel() { FieldName = key.TrimEnd('!'), ConditionalType = ConditionalType.IsNot, FieldValue = null });
  724. conModels.Add(new ConditionalModel() { FieldName = key.TrimEnd('!'), ConditionalType = ConditionalType.IsNot, FieldValue = "" });
  725. }
  726. //is null or ''
  727. else
  728. {
  729. conModels.Add(new ConditionalModel() { FieldName = key.TrimEnd('!'), FieldValue = null });
  730. }
  731. }
  732. // = / !=
  733. else
  734. {
  735. conModels.Add(new ConditionalModel()
  736. {
  737. FieldName = key.TrimEnd('!'),
  738. ConditionalType = key.EndsWith("!") ? ConditionalType.NoEqual : ConditionalType.Equal,
  739. FieldValue = fieldValue
  740. });
  741. }
  742. }
  743. }
  744. // 模糊搜索 "key$":"SQL搜索表达式" => "key$":["SQL搜索表达式"],任意SQL搜索表达式字符串,如 %key%(包含key), key%(以key开始), %k%e%y%(包含字母k,e,y) 等,%表示任意字符
  745. private void FuzzyQuery(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
  746. {
  747. var vakey = va.Key.Trim();
  748. var fieldValue = va.Value.ToString();
  749. var conditionalType = ConditionalType.Like;
  750. if (IsCol(subtable, vakey.TrimEnd('$')))
  751. {
  752. // 支持三种like查询
  753. if (fieldValue.StartsWith("%") && fieldValue.EndsWith("%"))
  754. {
  755. conditionalType = ConditionalType.Like;
  756. }
  757. else if (fieldValue.StartsWith("%"))
  758. {
  759. conditionalType = ConditionalType.LikeRight;
  760. }
  761. else if (fieldValue.EndsWith("%"))
  762. {
  763. conditionalType = ConditionalType.LikeLeft;
  764. }
  765. conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('$'), ConditionalType = conditionalType, FieldValue = fieldValue.TrimEnd("%".ToArray()).TrimStart("%".ToArray()) });
  766. }
  767. }
  768. // 处理sql注入
  769. private string ReplaceSQLChar(string str)
  770. {
  771. if (string.IsNullOrWhiteSpace(str))
  772. return string.Empty;
  773. str = str.Replace("'", "");
  774. str = str.Replace(";", "");
  775. str = str.Replace(",", "");
  776. str = str.Replace("?", "");
  777. str = str.Replace("<", "");
  778. str = str.Replace(">", "");
  779. str = str.Replace("(", "");
  780. str = str.Replace(")", "");
  781. str = str.Replace("@", "");
  782. str = str.Replace("=", "");
  783. str = str.Replace("+", "");
  784. str = str.Replace("*", "");
  785. str = str.Replace("&", "");
  786. str = str.Replace("#", "");
  787. str = str.Replace("%", "");
  788. str = str.Replace("$", "");
  789. str = str.Replace("\"", "");
  790. // 删除与数据库相关的词
  791. str = Regex.Replace(str, "delete from", "", RegexOptions.IgnoreCase);
  792. str = Regex.Replace(str, "drop table", "", RegexOptions.IgnoreCase);
  793. str = Regex.Replace(str, "truncate", "", RegexOptions.IgnoreCase);
  794. str = Regex.Replace(str, "xp_cmdshell", "", RegexOptions.IgnoreCase);
  795. str = Regex.Replace(str, "exec master", "", RegexOptions.IgnoreCase);
  796. str = Regex.Replace(str, "net localgroup administrators", "", RegexOptions.IgnoreCase);
  797. str = Regex.Replace(str, "net user", "", RegexOptions.IgnoreCase);
  798. str = Regex.Replace(str, "-", "", RegexOptions.IgnoreCase);
  799. str = Regex.Replace(str, "truncate", "", RegexOptions.IgnoreCase);
  800. return str;
  801. }
  802. /// <summary>
  803. /// 单条插入
  804. /// </summary>
  805. /// <param name="tableName"></param>
  806. /// <param name="cols"></param>
  807. /// <param name="role"></param>
  808. /// <returns>(各种类型的)id</returns>
  809. public object InsertSingle(string tableName, JObject cols, APIJSON_Role role = null)
  810. {
  811. role ??= _identitySvc.GetRole();
  812. var dt = new Dictionary<string, object>();
  813. foreach (var f in cols) // 遍历字段
  814. {
  815. if (//f.Key.ToLower() != "id" && //是否一定要传id
  816. IsCol(tableName, f.Key) &&
  817. (role.Insert.Column.Contains("*") || role.Insert.Column.Contains(f.Key, StringComparer.CurrentCultureIgnoreCase)))
  818. dt.Add(f.Key, FuncList.TransJObjectToSugarPara(f.Value));
  819. }
  820. // 如果外部没传Id,就后端生成或使用数据库默认值,如果都没有会出错
  821. object id;
  822. if (!dt.ContainsKey("id"))
  823. {
  824. id = YitIdHelper.NextId();//自己生成id的方法,可以由外部传入
  825. dt.Add("id", id);
  826. }
  827. else
  828. {
  829. id = dt["id"];
  830. }
  831. _db.Insertable(dt).AS(tableName).ExecuteCommand();//根据主键类型设置返回雪花或自增,目前返回条数
  832. return id;
  833. }
  834. /// <summary>
  835. /// 为每天记录创建udpate sql
  836. /// </summary>
  837. /// <param name="tableName"></param>
  838. /// <param name="record"></param>
  839. /// <param name="role"></param>
  840. /// <returns></returns>
  841. public int UpdateSingleRecord(string tableName, JObject record, APIJSON_Role role = null)
  842. {
  843. role ??= _identitySvc.GetRole();
  844. if (!record.ContainsKey("id"))
  845. throw Oops.Bah("未传主键id");
  846. var dt = new Dictionary<string, object>();
  847. var sb = new StringBuilder(100);
  848. object id = null;
  849. foreach (var f in record)//遍历每个字段
  850. {
  851. if (f.Key.Equals("id", StringComparison.OrdinalIgnoreCase))
  852. {
  853. if (f.Value is JArray)
  854. {
  855. sb.Append($"{f.Key} in (@{f.Key})");
  856. id = FuncList.TransJArrayToSugarPara(f.Value);
  857. }
  858. else
  859. {
  860. sb.Append($"{f.Key}=@{f.Key}");
  861. id = FuncList.TransJObjectToSugarPara(f.Value);
  862. }
  863. }
  864. else if (IsCol(tableName, f.Key) && (role.Update.Column.Contains("*") || role.Update.Column.Contains(f.Key, StringComparer.CurrentCultureIgnoreCase)))
  865. {
  866. dt.Add(f.Key, FuncList.TransJObjectToSugarPara(f.Value));
  867. }
  868. }
  869. string whereSql = sb.ToString();
  870. int count = _db.Updateable(dt).AS(tableName).Where(whereSql, new { id }).ExecuteCommand();
  871. return count;
  872. }
  873. /// <summary>
  874. /// 更新单表,支持同表多条记录
  875. /// </summary>
  876. /// <param name="tableName"></param>
  877. /// <param name="records"></param>
  878. /// <param name="role"></param>
  879. /// <returns></returns>
  880. public int UpdateSingleTable(string tableName, JToken records, APIJSON_Role role = null)
  881. {
  882. role ??= _identitySvc.GetRole();
  883. int count = 0;
  884. if (records is JArray)
  885. {
  886. foreach (var record in records.ToObject<JObject[]>())
  887. {
  888. count += UpdateSingleRecord(tableName, record, role);
  889. }
  890. }
  891. else
  892. {
  893. count = UpdateSingleRecord(tableName, records.ToObject<JObject>(), role);
  894. }
  895. return count;
  896. }
  897. }