DataHelper.cs 41 KB

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  1. using Oracle.ManagedDataAccess.Client;
  2. using System;
  3. using System.Collections.Generic;
  4. using System.Data;
  5. using System.Text;
  6. using UAS_PLCDataReader.PublicMethod;
  7. namespace UAS_PLCDataReader.DataOperate
  8. {
  9. class DataHelper
  10. {
  11. //内网地址
  12. public static readonly string Address = "192.168.0.158";
  13. //外网地址
  14. //public static readonly string Address = "183.238.39.179";
  15. //外网地址
  16. private readonly string ConnectionStrings = "Connection Timeout=0;Pooling=false;Password=select!#%*(;User ID=GOLDEN;Pooling=false;Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=" + Address + ")(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));";
  17. //ERP地址
  18. public static readonly string ERPAddesss = "http://" + Address + ":8099/ERP/";
  19. //用户选择的数据库的连接字符串
  20. public static string DBConnectionString;
  21. public static OracleConnection connection = null;
  22. OracleCommand command = null;
  23. /// <summary>
  24. /// 执行构造函数的时候打开数据库的链接
  25. /// </summary>
  26. public DataHelper()
  27. {
  28. try
  29. {
  30. //如果选择的是默认数据则直接用配置文件的信息连接,否则选择数据库的账套信息
  31. if (DBConnectionString == null || DBConnectionString == ConnectionStrings)
  32. connection = new OracleConnection(ConnectionStrings);
  33. else
  34. connection = new OracleConnection(DBConnectionString);
  35. connection.Open();
  36. }
  37. catch (Exception e) { LogManager.DoLog(e.StackTrace + e.Message); }
  38. }
  39. /// <summary>
  40. /// 根据表名获取该表字段数据类型
  41. /// </summary>
  42. public DataTable GetColumnDataType(string TableName)
  43. {
  44. DataTable dt = new DataTable();
  45. command = new OracleCommand("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", connection);
  46. OracleDataAdapter ad = new OracleDataAdapter(command);
  47. ad.Fill(dt);
  48. ad.Dispose();
  49. command.Dispose();
  50. return dt;
  51. }
  52. /// <summary>
  53. /// 获取第一行第一列的信息
  54. /// </summary>
  55. public object getFieldDataByCondition(string TableName, string Field, string Condition)
  56. {
  57. DataTable dt = new DataTable();
  58. string sql = "select " + Field + " from " + TableName + " where " + Condition;
  59. command = new OracleCommand(sql, connection);
  60. OracleDataAdapter ad = new OracleDataAdapter();
  61. ad.SelectCommand = command;
  62. try
  63. {
  64. ad.Fill(dt);
  65. }
  66. catch (Exception e)
  67. {
  68. LogManager.DoLog(e.StackTrace + e.Message);
  69. connection = new OracleConnection(DBConnectionString);
  70. connection.Open();
  71. command = new OracleCommand(sql, connection);
  72. ad = new OracleDataAdapter();
  73. ad.SelectCommand = command;
  74. ad.Fill(dt);
  75. }
  76. ad.Dispose();
  77. command.Dispose();
  78. if (dt.Rows.Count > 0)
  79. {
  80. return dt.Rows[0][0];
  81. }
  82. else
  83. {
  84. return "";
  85. }
  86. }
  87. /// <summary>
  88. /// 获取指定表的记录的条数 ,带条件
  89. /// </summary>
  90. /// <returns></returns>
  91. public int getRowCount(string TableName, string Condition)
  92. {
  93. DataTable dt = new DataTable();
  94. string sql = "select count(1) from " + TableName + " where " + Condition;
  95. command = new OracleCommand(sql, connection);
  96. OracleDataAdapter ad = new OracleDataAdapter(command);
  97. ad.Fill(dt);
  98. ad.Dispose();
  99. command.Dispose();
  100. return int.Parse(dt.Rows[0][0].ToString());
  101. }
  102. /// <summary>
  103. /// 获取指定表的记录的条数 ,不带条件
  104. /// </summary>
  105. /// <param name="TableName"></param>
  106. /// <returns></returns>
  107. public int getRowCount(string TableName)
  108. {
  109. DataTable dt = new DataTable();
  110. string sql = "select count(1) from " + TableName;
  111. command = new OracleCommand(sql, connection);
  112. OracleDataAdapter ad = new OracleDataAdapter(command);
  113. ad.Fill(dt);
  114. ad.Dispose();
  115. command.Dispose();
  116. return int.Parse(dt.Rows[0][0].ToString());
  117. }
  118. /// <summary>
  119. /// 通过表名和获取单行的记录
  120. /// </summary>
  121. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  122. {
  123. DataTable dt = new DataTable();
  124. string sql = "select ";
  125. sql += AddField(Fields);
  126. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  127. command = new OracleCommand(sql, connection);
  128. OracleDataAdapter ad = new OracleDataAdapter(command);
  129. try
  130. {
  131. ad.Fill(dt);
  132. }
  133. catch (Exception)
  134. {
  135. connection = new OracleConnection(DBConnectionString);
  136. connection.Open();
  137. command = new OracleCommand(sql, connection);
  138. ad = new OracleDataAdapter();
  139. ad.SelectCommand = command;
  140. ad.Fill(dt);
  141. }
  142. ad.Dispose();
  143. command.Dispose();
  144. return dt;
  145. }
  146. /// <summary>
  147. /// 将DataTable导入到指定的表中
  148. /// </summary>
  149. /// <param name="DataTable"></param>
  150. /// <param name="TableName"></param>
  151. public void InsertDataTable(DataTable DataTable, string TableName)
  152. {
  153. for (int i = 0; i < DataTable.Rows.Count; i++)
  154. {
  155. for (int j = 0; j < DataTable.Columns.Count; j++)
  156. {
  157. }
  158. }
  159. }
  160. /// <summary>
  161. /// 按分页获取数据
  162. /// </summary>
  163. /// <param name="TableName">表名</param>
  164. /// <param name="Fields">查询字段</param>
  165. /// <param name="CurrentPage">当前页面</param>
  166. /// <param name="PageSize">页面展示条数</param>
  167. /// <param name="Caller"></param>
  168. /// <returns></returns>
  169. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  170. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  171. {
  172. DataTable dt = new DataTable();
  173. StringBuilder sql = new StringBuilder();
  174. //先查询出配置出去的列
  175. //获取查询的列
  176. string[] caption = GetCaptionFromField(Fields);
  177. //获取对应列的描述
  178. string[] field = GetField(Fields);
  179. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  180. sql.Append(AddField(caption));
  181. if (condition.Length > 0)
  182. {
  183. if (condition[0] != null && condition[0].Trim() != "")
  184. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  185. else
  186. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  187. }
  188. command = new OracleCommand(sql.ToString(), connection);
  189. OracleDataAdapter ad = new OracleDataAdapter(command);
  190. ad.Fill(dt);
  191. ad.Dispose();
  192. command.Dispose();
  193. dt.Columns.RemoveAt(0);
  194. foreach (DataColumn dc in dt.Columns)
  195. {
  196. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  197. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  198. }
  199. return dt;
  200. }
  201. /// <summary>
  202. /// 通过表名,字段和条件获取DataTable类型的数据
  203. /// </summary>
  204. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  205. {
  206. DataTable dt = new DataTable();
  207. string sql = "select ";
  208. sql += AddField(Fields);
  209. sql += " from " + TableName + " where " + Condition;
  210. command = new OracleCommand(sql, connection);
  211. OracleDataAdapter ad = new OracleDataAdapter(command);
  212. try
  213. {
  214. ad.Fill(dt);
  215. }
  216. catch (Exception)
  217. {
  218. connection = new OracleConnection(DBConnectionString);
  219. connection.Open();
  220. command = new OracleCommand(sql, connection);
  221. ad = new OracleDataAdapter();
  222. ad.SelectCommand = command;
  223. ad.Fill(dt);
  224. }
  225. ad.Dispose();
  226. command.Dispose();
  227. return dt;
  228. }
  229. /// <summary>
  230. /// 通过表名,字段获取DataTable类型的数据
  231. /// </summary>
  232. public DataTable getFieldsDatas(string TableName, string Fields)
  233. {
  234. DataTable dt = new DataTable();
  235. string sql = "select ";
  236. sql += Fields;
  237. sql += " from " + TableName;
  238. command = new OracleCommand(sql, connection);
  239. OracleDataAdapter ad = new OracleDataAdapter(command);
  240. ad.SelectCommand = command;
  241. try
  242. {
  243. ad.Fill(dt);
  244. }
  245. catch (Exception)
  246. {
  247. connection = new OracleConnection(DBConnectionString);
  248. connection.Open();
  249. command = new OracleCommand(sql, connection);
  250. ad = new OracleDataAdapter();
  251. ad.SelectCommand = command;
  252. ad.Fill(dt);
  253. }
  254. ad.Dispose();
  255. command.Dispose();
  256. return dt;
  257. }
  258. /// <summary>
  259. /// 根据DataTable和指定的表名更新数据,如果需要保存新增的数据则需要传递一条Insert的SQL
  260. /// </summary>
  261. /// <param name="DataTable"></param>
  262. /// <param name="TableName"></param>
  263. /// <param name="Condition"></param>
  264. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  265. {
  266. if (DataTable == null)
  267. {
  268. return;
  269. }
  270. StringBuilder sb = new StringBuilder();
  271. //预防插入的DataTable中存在不属于该表的列,在进行下一步操作之前全部剔除
  272. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  273. //将所有的字段拼接起来
  274. for (int i = 0; i < data.Rows.Count; i++)
  275. {
  276. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  277. }
  278. //移除掉所有不属于该表的列
  279. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  280. {
  281. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  282. {
  283. DataTable.Columns.RemoveAt(i);
  284. }
  285. }
  286. sb.Clear();
  287. //计算有多少个是新加的行,根据主键为空来进行判断
  288. int NewRowCount = 0;
  289. for (int i = 0; i < DataTable.Rows.Count; i++)
  290. {
  291. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  292. {
  293. NewRowCount = NewRowCount + 1;
  294. }
  295. }
  296. if (sql.Length > 0)
  297. {
  298. if (NewRowCount > 0)
  299. {
  300. //获取参数的个数
  301. int paramsNum = sql[0].Split(':').Length - 1;
  302. //解析参数的数据
  303. string[] param = GetParamFromSQL(sql[0]);
  304. //新建一个二维数组去
  305. string[][] param_array = new string[paramsNum][];
  306. //实例化每个一维数组
  307. for (int i = 0; i < paramsNum; i++)
  308. {
  309. param_array[i] = new string[NewRowCount];
  310. }
  311. //设置每列参数的索引
  312. int num = 0;
  313. //变量所有的行,如果有主键为空的则移除,不为空的进行参数的拼接
  314. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  315. {
  316. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  317. {
  318. //当为新添加行的时候才去设置参数,设置过后索引+1
  319. for (int j = 0; j < paramsNum; j++)
  320. {
  321. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  322. }
  323. DataTable.Rows.RemoveAt(i);
  324. num++;
  325. }
  326. }
  327. BatchInsertDataTable(sql[0], param, param_array);
  328. }
  329. }
  330. //不是新增行的启用更新的方法
  331. sb.Append("update " + TableName + " set ");
  332. //拼接语句,特殊处理日期
  333. foreach (DataColumn dc in DataTable.Columns)
  334. {
  335. if (!dc.DataType.ToString().Equals("System.DateTime"))
  336. {
  337. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  338. }
  339. else
  340. {
  341. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  342. }
  343. }
  344. sb.Remove(sb.Length - 1, 1);
  345. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  346. command = new OracleCommand(sb.ToString(), connection);
  347. OracleDataAdapter ad = new OracleDataAdapter(command);
  348. // 参数的长度是DataTable的行数决定的
  349. command.ArrayBindCount = DataTable.Rows.Count;
  350. //默认全部是Varchar2类型的
  351. OracleDbType ob = OracleDbType.Varchar2;
  352. for (int i = 0; i < DataTable.Columns.Count; i++)
  353. {
  354. object[] param = new object[DataTable.Rows.Count];
  355. for (int j = 0; j < DataTable.Rows.Count; j++)
  356. {
  357. DateTime dt = DateTime.Now;
  358. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  359. {
  360. param[j] = dt;
  361. ob = OracleDbType.Date;
  362. }
  363. else
  364. {
  365. ob = OracleDbType.Varchar2;
  366. param[j] = DataTable.Rows[j][i];
  367. }
  368. }
  369. //添加批量更新的参数
  370. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  371. }
  372. ad.UpdateCommand = command;
  373. ad.Update(DataTable);
  374. ad.Dispose();
  375. command.Dispose();
  376. }
  377. /// <summary>
  378. /// 获取DbFind的数据的DataTable的结构
  379. /// </summary>
  380. /// <param name="field"></param>
  381. /// <param name="caller"></param>
  382. /// <returns></returns>
  383. public DataTable GetDbFindDataTable(string field, string caller)
  384. {
  385. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  386. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  387. if (dt.Rows.Count != 0)
  388. {
  389. //通过#号分割字段
  390. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  391. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  392. //获取查询要查询的Table
  393. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  394. //拼接查询的字段
  395. for (int i = 0; i < dbfield.Length; i++)
  396. {
  397. dbfield[i] = dbfield[i].Split(',')[0];
  398. }
  399. //新建一个空的DataTable
  400. DataTable dt1 = new DataTable();
  401. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  402. for (int i = 0; i < cnfield.Length; i++)
  403. {
  404. dt1.Columns.Add(cnfield[i]);
  405. dt1.Columns[i].Caption = dbfield[i];
  406. }
  407. //返回一个带有结构的空的DataTable
  408. //DbFind.BindTable1 = dbtable;
  409. return dt1;
  410. }
  411. else
  412. {
  413. return null;
  414. }
  415. }
  416. /// <summary>
  417. /// 检测内容是否存在
  418. /// </summary>
  419. /// <param name="TableName"></param>
  420. /// <param name="Condition"></param>
  421. /// <returns></returns>
  422. public bool CheckExist(string TableName, string Condition)
  423. {
  424. string sql = "select count(1) from " + TableName + " where " + Condition;
  425. command = new OracleCommand(sql, connection);
  426. OracleDataAdapter ad = new OracleDataAdapter(command);
  427. DataTable dt = new DataTable();
  428. try
  429. {
  430. ad.Fill(dt);
  431. }
  432. catch (Exception)
  433. {
  434. connection = new OracleConnection(DBConnectionString);
  435. connection.Open();
  436. command = new OracleCommand(sql, connection);
  437. ad = new OracleDataAdapter();
  438. ad.SelectCommand = command;
  439. ad.Fill(dt);
  440. }
  441. ad.Dispose();
  442. command.Dispose();
  443. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  444. }
  445. /// <summary>
  446. /// 直接执行SQL,同时传入SQL的类型
  447. /// </summary>
  448. /// <param name="SQL"></param>
  449. /// <param name="Type"></param>
  450. /// <returns></returns>
  451. public object ExecuteSql(string SQL, string Type, params object[] names)
  452. {
  453. object result = null;
  454. command = new OracleCommand(SQL, connection);
  455. Reconnect(command);
  456. if (SQL == null)
  457. return null;
  458. //用来拼接参数的
  459. if (names.Length > 0)
  460. {
  461. string[] par = SQL.Split(':');
  462. //用来存参数的数组
  463. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  464. for (int i = 0; i < par.Length - 1; i++)
  465. {
  466. //新建一个char类型的数组用来存储每个字节的变量
  467. char[] c = par[i + 1].ToCharArray();
  468. addpar[i] = new StringBuilder();
  469. for (int j = 0; j < c.Length; j++)
  470. {
  471. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  472. {
  473. addpar[i].Append(c[j]);
  474. }
  475. else
  476. {
  477. break;
  478. }
  479. }
  480. }
  481. for (int i = 0; i < addpar.Length; i++)
  482. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  483. }
  484. Console.WriteLine(SQL);
  485. switch (Type.ToUpper())
  486. {
  487. case "SELECT":
  488. OracleDataAdapter ad = new OracleDataAdapter(command);
  489. result = new DataTable();
  490. try
  491. {
  492. ad.Fill((DataTable)result);
  493. }
  494. catch (Exception e)
  495. {
  496. LogManager.DoLog(e.StackTrace + e.Message + SQL);
  497. connection = new OracleConnection(DBConnectionString);
  498. connection.Open();
  499. command = new OracleCommand(SQL, connection);
  500. ad = new OracleDataAdapter();
  501. ad.SelectCommand = command;
  502. ad.Fill((DataTable)result);
  503. }
  504. break;
  505. case "DELETE":
  506. try
  507. {
  508. result = command.ExecuteNonQuery();
  509. }
  510. catch (Exception e)
  511. {
  512. LogManager.DoLog(e.StackTrace + e.Message + SQL);
  513. command.Connection = new OracleConnection(DBConnectionString);
  514. command.Connection.Open();
  515. result = command.ExecuteNonQuery();
  516. }
  517. break;
  518. case "UPDATE":
  519. try
  520. {
  521. result = command.ExecuteNonQuery();
  522. }
  523. catch (Exception e)
  524. {
  525. LogManager.DoLog(e.StackTrace + e.Message + SQL);
  526. command.Connection = new OracleConnection(DBConnectionString);
  527. command.Connection.Open();
  528. result = command.ExecuteNonQuery();
  529. }
  530. break;
  531. case "INSERT":
  532. try
  533. {
  534. result = command.ExecuteNonQuery();
  535. }
  536. catch (Exception e)
  537. {
  538. LogManager.DoLog(e.StackTrace + e.Message + SQL);
  539. command.Connection = new OracleConnection(DBConnectionString);
  540. command.Connection.Open();
  541. result = command.ExecuteNonQuery();
  542. }
  543. break;
  544. }
  545. command.Dispose();
  546. return result;
  547. }
  548. public int GetDistinctRowCount(string TableName, string Field)
  549. {
  550. DataTable dt = new DataTable();
  551. string sql = "select distinct count('" + Field + "') from " + TableName;
  552. command = new OracleCommand(sql, connection);
  553. OracleDataAdapter ad = new OracleDataAdapter(command);
  554. try
  555. {
  556. ad.Fill(dt);
  557. }
  558. catch (Exception)
  559. {
  560. connection = new OracleConnection(DBConnectionString);
  561. connection.Open();
  562. command = new OracleCommand(sql, connection);
  563. ad = new OracleDataAdapter();
  564. ad.SelectCommand = command;
  565. ad.Fill(dt);
  566. }
  567. ad.Dispose();
  568. command.Dispose();
  569. return int.Parse(dt.Rows[0][0].ToString());
  570. }
  571. /// <summary>
  572. /// 根据Caller获取流水号
  573. /// </summary>
  574. /// <param name="Caller"></param>
  575. /// <returns></returns>
  576. public string GetSerialNumberByCaller(string Caller)
  577. {
  578. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  579. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  580. return SerialNumber;
  581. }
  582. /// <summary>
  583. /// 根据主键ID删除表的数据
  584. /// </summary>
  585. /// <param name="TableName">表名</param>
  586. /// <param name="ID">主键</param>
  587. /// <param name="DeleteID">需要删除主键ID的数组</param>
  588. public void DeleteDataByID(string TableName, string ID, int[] DeleteID)
  589. {
  590. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  591. command = new OracleCommand(sql, connection);
  592. command.ArrayBindCount = DeleteID.Length;
  593. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  594. try
  595. {
  596. command.ExecuteNonQuery();
  597. }
  598. catch (Exception)
  599. {
  600. command.Connection = new OracleConnection(DBConnectionString);
  601. command.Connection.Open();
  602. command.ExecuteNonQuery();
  603. }
  604. command.Dispose();
  605. }
  606. /// <summary>
  607. /// 通过序列的名称获取序列
  608. /// </summary>
  609. /// <param name="SeqName"></param>
  610. /// <returns></returns>
  611. public string GetSEQ(string SeqName)
  612. {
  613. DataTable dt = new DataTable();
  614. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  615. return dt.Rows[0][0].ToString();
  616. }
  617. /// <summary>
  618. /// 通过序列的名称获取序列
  619. /// </summary>
  620. /// <param name="SeqName"></param>
  621. /// <returns></returns>
  622. public string[] GetSEQ(string SeqName, int Num)
  623. {
  624. DataTable dt = new DataTable();
  625. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".nextval FROM DUAL CONNECT BY LEVEL<=" + Num, "select");
  626. string[] SerialNum = new string[dt.Rows.Count];
  627. for (int i = 0; i < dt.Rows.Count; i++)
  628. {
  629. SerialNum[i] = dt.Rows[i][0].ToString();
  630. }
  631. return SerialNum;
  632. }
  633. public void SaveDataTable(DataTable dt, string TableName, string ID, out string[] SavedID, params string[] sql)
  634. {
  635. if (dt == null)
  636. {
  637. SavedID = new string[0];
  638. return;
  639. }
  640. StringBuilder sb = new StringBuilder();
  641. //预防插入的DataTable中存在不属于该表的列,在进行下一步操作之前全部剔除
  642. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  643. //将所有的字段拼接起来
  644. for (int i = 0; i < data.Rows.Count; i++)
  645. {
  646. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  647. }
  648. //移除掉所有不属于该表的列
  649. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  650. {
  651. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  652. {
  653. dt.Columns.RemoveAt(i);
  654. }
  655. }
  656. sb.Clear();
  657. //计算有多少个是新加的行,根据主键为空来进行判断
  658. int NewRowCount = 0;
  659. for (int i = 0; i < dt.Rows.Count; i++)
  660. {
  661. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  662. {
  663. NewRowCount = NewRowCount + 1;
  664. }
  665. }
  666. if (sql.Length > 0)
  667. {
  668. if (NewRowCount > 0)
  669. {
  670. //获取参数的个数
  671. int paramsNum = sql[0].Split(':').Length - 1;
  672. //解析参数的数据
  673. string[] param = GetParamFromSQL(sql[0]);
  674. //新建一个二维数组去
  675. string[][] param_array = new string[paramsNum][];
  676. //实例化每个一维数组
  677. for (int i = 0; i < paramsNum; i++)
  678. {
  679. param_array[i] = new string[NewRowCount];
  680. }
  681. //设置每列参数的索引
  682. int num = 0;
  683. //变量所有的行,如果有主键为空的则移除,不为空的进行参数的拼接
  684. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  685. {
  686. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  687. {
  688. //当为新添加行的时候才去设置参数,设置过后索引+1
  689. for (int j = 0; j < paramsNum; j++)
  690. {
  691. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  692. }
  693. dt.Rows.RemoveAt(i);
  694. num++;
  695. }
  696. }
  697. BatchInsertDataTable(sql[0], param, param_array);
  698. }
  699. }
  700. sb.Clear();
  701. sb.Append("update " + TableName + " set ");
  702. int ColumnCount = dt.Columns.Count;
  703. int RowCount = dt.Rows.Count;
  704. SavedID = new string[RowCount];
  705. //存数据的参数
  706. List<string[]> Parameter = new List<string[]>();
  707. //存参数名的参数
  708. string[] ParName = new string[ColumnCount];
  709. for (int i = 0; i < ColumnCount; i++)
  710. {
  711. ParName[i] = dt.Columns[i].ColumnName;
  712. if (i == dt.Columns.Count - 1)
  713. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  714. else
  715. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  716. }
  717. sb.Append(" where " + ID + " =:" + ID);
  718. //先添加参数
  719. Parameter.Add(ParName);
  720. //添加参数的具体内容
  721. for (int i = 0; i < ColumnCount; i++)
  722. {
  723. string[] par = new string[RowCount];
  724. for (int j = 0; j < RowCount; j++)
  725. {
  726. par[j] = dt.Rows[j][i].ToString();
  727. SavedID[j] = dt.Rows[j][ID].ToString();
  728. }
  729. Parameter.Add(par);
  730. }
  731. BatchInsert(sb.ToString(), Parameter.ToArray());
  732. }
  733. /// <summary>
  734. /// 批量通过SQL来执行插入操作 ,参数的第一个数一个string[]数组,用来传递需要添加的参数的名称
  735. /// 之后的是名称参数数组对应的 ,所有的插入参数数据长度必须是一致的
  736. /// </summary>
  737. /// <param name="sql"></param>
  738. /// <param name="names"></param>
  739. public void BatchInsert(string sql, params object[][] names)
  740. {
  741. command = new OracleCommand(sql, connection);
  742. command.ArrayBindCount = names[1].Length;
  743. if (names[1].Length == 0)
  744. {
  745. return;
  746. }
  747. //因为第一个数组保存的是参数的名称,所以循环从1而不是0开始
  748. //将第一个数组的下标固定为0作为循环添加的参数的名称
  749. for (int i = 1; i <= names[0].Length; i++)
  750. {
  751. if (names[0][i - 1].ToString().ToUpper().Contains("DATE"))
  752. {
  753. DateTime[] time = new DateTime[names[i].Length];
  754. for (int j = 0; j < names[i].Length; j++)
  755. {
  756. time[j] = Convert.ToDateTime(names[i][j]);
  757. }
  758. try
  759. {
  760. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Date, time, ParameterDirection.Input));
  761. }
  762. catch (Exception)
  763. {
  764. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  765. }
  766. }
  767. else
  768. {
  769. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  770. }
  771. }
  772. try
  773. {
  774. command.ExecuteNonQuery();
  775. }
  776. catch (Exception)
  777. {
  778. command.Connection = new OracleConnection(DBConnectionString);
  779. command.Connection.Open();
  780. command.ExecuteNonQuery();
  781. }
  782. command.Dispose();
  783. }
  784. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  785. {
  786. command = new OracleCommand(sql, connection);
  787. command.ArrayBindCount = param1[0].Length;
  788. //因为第一个数组保存的是参数的名称,所以循环从1而不是0开始
  789. //将第一个数组的下标固定为0作为循环添加的参数的名称
  790. for (int i = 0; i < param.Length; i++)
  791. {
  792. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  793. }
  794. try
  795. {
  796. command.ExecuteNonQuery();
  797. }
  798. catch (Exception)
  799. {
  800. command.Connection = new OracleConnection(DBConnectionString);
  801. command.Connection.Open();
  802. command.ExecuteNonQuery();
  803. }
  804. command.Dispose();
  805. }
  806. /// <summary>
  807. /// 取Configs表中的配置,进行该客户是否执行某个操作
  808. /// </summary>
  809. /// <param name="Code"></param>
  810. /// <param name="Caller"></param>
  811. /// <returns></returns>
  812. public object GetConfig(string Code, string Caller)
  813. {
  814. DataTable dt = new DataTable();
  815. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  816. dt = (DataTable)ExecuteSql(sql, "select");
  817. if (dt.Rows.Count == 0)
  818. {
  819. return "";
  820. }
  821. else
  822. {
  823. return dt.Rows[0]["Data"];
  824. }
  825. }
  826. /// <summary>
  827. /// 通过条件更新
  828. /// </summary>
  829. /// <param name="TableName"></param>
  830. /// <param name="update"></param>
  831. /// <param name="condition"></param>
  832. public string UpdateByCondition(string TableName, string update, string condition)
  833. {
  834. string sql = "update " + TableName + " set " + update + " where " + condition;
  835. command = new OracleCommand(sql, connection);
  836. try
  837. {
  838. command.ExecuteNonQuery();
  839. }
  840. catch (Exception)
  841. {
  842. command.Connection = new OracleConnection(DBConnectionString);
  843. command.Connection.Open();
  844. command.ExecuteNonQuery();
  845. }
  846. command.Dispose();
  847. return sql;
  848. }
  849. /// <summary>
  850. /// 调用存储过程
  851. /// </summary>
  852. /// <param name="ProcedureName"></param>
  853. /// <param name="param"></param>
  854. public void CallProcedure(string ProcedureName, ref string[] param)
  855. {
  856. command = new OracleCommand(ProcedureName);
  857. command.Connection = connection;
  858. command.CommandText = ProcedureName;
  859. command.CommandType = CommandType.StoredProcedure;
  860. for (int i = 0; i < param.Length; i++)
  861. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, 200, param[i], ParameterDirection.InputOutput));
  862. try
  863. {
  864. command.ExecuteNonQuery();
  865. }
  866. catch (Exception)
  867. {
  868. command.Connection = new OracleConnection(DBConnectionString);
  869. command.Connection.Open();
  870. command.ExecuteNonQuery();
  871. }
  872. for (int i = 0; i < command.Parameters.Count; i++)
  873. param[i] = command.Parameters[i].Value.ToString();
  874. command.Dispose();
  875. }
  876. /// <summary>
  877. /// 出现异常进行回滚的执行方法
  878. /// </summary>
  879. /// <param name="SQL"></param>
  880. public void ExecuteSQLTran(params string[] SQL)
  881. {
  882. OracleTransaction tx = connection.BeginTransaction();
  883. command = new OracleCommand();
  884. command.Connection = connection;
  885. command.Transaction = tx;
  886. try
  887. {
  888. foreach (string sql in SQL)
  889. {
  890. if (!String.IsNullOrEmpty(sql))
  891. {
  892. command.CommandText = sql;
  893. try
  894. {
  895. command.ExecuteNonQuery();
  896. }
  897. catch (Exception)
  898. {
  899. command.Connection = new OracleConnection(DBConnectionString);
  900. command.Connection.Open();
  901. command.ExecuteNonQuery();
  902. }
  903. }
  904. }
  905. tx.Commit();
  906. }
  907. catch (Exception e)
  908. {
  909. tx.Rollback();
  910. throw new Exception(e.Message);
  911. }
  912. command.Dispose();
  913. }
  914. /// <summary>
  915. /// 用于将string 的数组转换成SQL的查询内容
  916. /// </summary>
  917. /// <param name="Fields"></param>
  918. /// <returns></returns>
  919. private string AddField(string[] Fields)
  920. {
  921. string sql = " ";
  922. foreach (string field in Fields)
  923. {
  924. sql += field + ",";
  925. }
  926. return sql.Substring(0, sql.Length - 1);
  927. }
  928. /// <summary>
  929. /// 通过查询的内容获取到字段的描述
  930. /// </summary>
  931. /// <param name="field"></param>
  932. /// <returns></returns>
  933. private static string[] GetCaptionFromField(string field)
  934. {
  935. string[] caption = field.Split(',');
  936. for (int i = 0; i < caption.Length; i++)
  937. {
  938. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  939. }
  940. return caption;
  941. }
  942. /// <summary>
  943. /// 通过查询的语句获取查询的字段
  944. /// </summary>
  945. /// <param name="field"></param>
  946. /// <returns></returns>
  947. private static string[] GetField(string field)
  948. {
  949. string[] fields = field.Split(',');
  950. for (int i = 0; i < fields.Length; i++)
  951. {
  952. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  953. }
  954. return fields;
  955. }
  956. public object GetLabelParam(string sql)
  957. {
  958. DataTable dt = new DataTable();
  959. command = new OracleCommand(sql, connection);
  960. OracleDataAdapter ad = new OracleDataAdapter();
  961. ad.SelectCommand = command;
  962. try
  963. {
  964. ad.Fill(dt);
  965. }
  966. catch (Exception)
  967. {
  968. connection = new OracleConnection(DBConnectionString);
  969. connection.Open();
  970. command = new OracleCommand(sql, connection);
  971. ad = new OracleDataAdapter();
  972. ad.SelectCommand = command;
  973. ad.Fill(dt);
  974. }
  975. if (dt.Rows.Count > 0)
  976. {
  977. ad.Dispose();
  978. command.Dispose();
  979. return dt.Rows[0][0];
  980. }
  981. else
  982. {
  983. command.Dispose();
  984. return "";
  985. }
  986. }
  987. public static string[] GetParamFromSQL(string SQL)
  988. {
  989. string[] par = SQL.Split(':');
  990. //用来存参数的数组
  991. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  992. string[] param = new string[par.Length - 1];
  993. for (int i = 0; i < par.Length - 1; i++)
  994. {
  995. //新建一个char类型的数组用来存储每个字节的变量
  996. char[] c = par[i + 1].ToCharArray();
  997. addpar[i] = new StringBuilder();
  998. for (int j = 0; j < c.Length; j++)
  999. {
  1000. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1001. {
  1002. addpar[i].Append(c[j]);
  1003. }
  1004. else
  1005. {
  1006. break;
  1007. }
  1008. }
  1009. }
  1010. for (int i = 0; i < par.Length - 1; i++)
  1011. {
  1012. param[i] = addpar[i].ToString();
  1013. }
  1014. return param;
  1015. }
  1016. private void Reconnect(OracleCommand cmd)
  1017. {
  1018. if (cmd.Connection.State == ConnectionState.Closed)
  1019. {
  1020. cmd.Connection.Open();
  1021. LogManager.DoLog("超时重连");
  1022. }
  1023. }
  1024. }
  1025. }