DataHelper.cs 43 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_MES_NEW.PublicMethod;
  7. namespace UAS_MES_NEW.DataOperate
  8. {
  9. class DataHelper
  10. {
  11. //系统默认的的连接字符串
  12. private string ConnectionStrings = "Connection Timeout=0;Pooling=false;Password=select!#%*(;User ID=N_MES;Pooling=false;Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.5)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));";
  13. //public static readonly string ERPAddesss = "http://192.168.1.5:8099/mes/";
  14. public static readonly string ERPAddesss = "http://192.168.1.5:8099/mes/";
  15. //用户选择的数据库的连接字符串
  16. public static string DBConnectionString;
  17. public static OracleConnection connection = null;
  18. OracleCommand command = null;
  19. int ReconnectTime = 0;
  20. /// <summary>
  21. /// 执行构造函数的时候打开数据库的链接
  22. /// </summary>
  23. public DataHelper()
  24. {
  25. try
  26. {
  27. //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
  28. if (DBConnectionString == null || DBConnectionString == ConnectionStrings)
  29. connection = new OracleConnection(ConnectionStrings);
  30. else
  31. connection = new OracleConnection(DBConnectionString);
  32. connection.Open();
  33. }
  34. catch (Exception e) { LogManager.DoLog(e.Message); }
  35. }
  36. /// <summary>
  37. /// 根据表名获取该表字段数据类型
  38. /// </summary>
  39. public DataTable GetColumnDataType(string TableName)
  40. {
  41. DataTable dt = new DataTable();
  42. command = new OracleCommand("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", connection);
  43. Reconnect(command);
  44. OracleDataAdapter ad = new OracleDataAdapter(command);
  45. ad.Fill(dt);
  46. ad.Dispose();
  47. return dt;
  48. }
  49. /// <summary>
  50. /// 获取第一行第一列的信息
  51. /// </summary>
  52. public object getFieldDataByCondition(string TableName, string Field, string Condition)
  53. {
  54. DataTable dt = new DataTable();
  55. string sql = "select " + Field + " from " + TableName + " where " + Condition;
  56. command = new OracleCommand(sql, connection);
  57. Console.WriteLine(sql);
  58. Reconnect(command);
  59. OracleDataAdapter ad = new OracleDataAdapter();
  60. ad.SelectCommand = command;
  61. try
  62. {
  63. ad.Fill(dt);
  64. }
  65. catch (Exception)
  66. {
  67. connection = new OracleConnection(DBConnectionString);
  68. connection.Open();
  69. command = new OracleCommand(sql, connection);
  70. ad = new OracleDataAdapter();
  71. ad.SelectCommand = command;
  72. ad.Fill(dt);
  73. }
  74. ad.Dispose();
  75. if (dt.Rows.Count > 0)
  76. {
  77. return dt.Rows[0][0];
  78. }
  79. else
  80. {
  81. return "";
  82. }
  83. }
  84. /// <summary>s
  85. /// 执行打印的SQL
  86. /// </summary>
  87. /// <param name="SQL">SQL语句</param>
  88. /// <param name="Parameters">动态添加的参数,主要根据条码枪扫描获取</param>
  89. /// <returns></returns>
  90. public object ExecutePrintSQL(string SQL, params string[] Parameters)
  91. {
  92. //按照?拆分数据,然后以:Param替换问号,同时添加参数
  93. string[] Param = SQL.Split('?');
  94. int ParamNum = Param.Length - 1;
  95. //条码打印必然存在需要维护的参数
  96. if (ParamNum > 0)
  97. {
  98. StringBuilder sb = new StringBuilder();
  99. for (int i = 0; i < ParamNum; i++)
  100. {
  101. sb.Append(Param[i] + ":Param" + i);
  102. }
  103. command = new OracleCommand(sb.ToString(), connection);
  104. for (int i = 0; i < ParamNum; i++)
  105. {
  106. command.Parameters.Add("Param" + i, OracleDbType.Varchar2, Parameters[i], ParameterDirection.Input);
  107. }
  108. OracleDataAdapter ad = new OracleDataAdapter(command);
  109. DataTable dt = new DataTable();
  110. ad.Fill(dt);
  111. ad.Dispose();
  112. return dt;
  113. }
  114. return "参数错误,请检查SQL语句";
  115. }
  116. /// <summary>
  117. /// 获取指定表的记录的条数 ,带条件
  118. /// </summary>
  119. /// <returns></returns>
  120. public int getRowCount(string TableName, string Condition)
  121. {
  122. DataTable dt = new DataTable();
  123. string sql = "select count(1) from " + TableName + " where " + Condition;
  124. command = new OracleCommand(sql, connection);
  125. Reconnect(command);
  126. OracleDataAdapter ad = new OracleDataAdapter(command);
  127. ad.Fill(dt);
  128. ad.Dispose();
  129. return int.Parse(dt.Rows[0][0].ToString());
  130. }
  131. /// <summary>
  132. /// 获取指定表的记录的条数 ,不带条件
  133. /// </summary>
  134. /// <param name="TableName"></param>
  135. /// <returns></returns>
  136. public int getRowCount(string TableName)
  137. {
  138. DataTable dt = new DataTable();
  139. string sql = "select count(1) from " + TableName;
  140. command = new OracleCommand(sql, connection);
  141. Reconnect(command);
  142. OracleDataAdapter ad = new OracleDataAdapter(command);
  143. ad.Fill(dt);
  144. ad.Dispose();
  145. return int.Parse(dt.Rows[0][0].ToString());
  146. }
  147. /// <summary>
  148. /// 通过表名和获取单行的记录
  149. /// </summary>
  150. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  151. {
  152. DataTable dt = new DataTable();
  153. string sql = "select ";
  154. sql += AddField(Fields);
  155. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  156. command = new OracleCommand(sql, connection);
  157. Reconnect(command);
  158. OracleDataAdapter ad = new OracleDataAdapter(command);
  159. try
  160. {
  161. ad.Fill(dt);
  162. }
  163. catch (Exception)
  164. {
  165. connection = new OracleConnection(DBConnectionString);
  166. connection.Open();
  167. command = new OracleCommand(sql, connection);
  168. ad = new OracleDataAdapter();
  169. ad.SelectCommand = command;
  170. ad.Fill(dt);
  171. }
  172. ad.Dispose();
  173. return dt;
  174. }
  175. /// <summary>
  176. /// 将DataTable导入到指定的表中
  177. /// </summary>
  178. /// <param name="DataTable"></param>
  179. /// <param name="TableName"></param>
  180. public void InsertDataTable(DataTable DataTable, string TableName)
  181. {
  182. for (int i = 0; i < DataTable.Rows.Count; i++)
  183. {
  184. for (int j = 0; j < DataTable.Columns.Count; j++)
  185. {
  186. }
  187. }
  188. }
  189. /// <summary>
  190. /// 按分页获取数据
  191. /// </summary>
  192. /// <param name="TableName">表名</param>
  193. /// <param name="Fields">查询字段</param>
  194. /// <param name="CurrentPage">当前页面</param>
  195. /// <param name="PageSize">页面展示条数</param>
  196. /// <param name="Caller"></param>
  197. /// <returns></returns>
  198. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  199. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  200. {
  201. DataTable dt = new DataTable();
  202. StringBuilder sql = new StringBuilder();
  203. //先查询出配置出去的列
  204. //获取查询的列
  205. string[] caption = GetCaptionFromField(Fields);
  206. //获取对应列的描述
  207. string[] field = GetField(Fields);
  208. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  209. sql.Append(AddField(caption));
  210. if (condition.Length > 0)
  211. {
  212. if (condition[0] != null && condition[0].Trim() != "")
  213. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  214. else
  215. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  216. }
  217. command = new OracleCommand(sql.ToString(), connection);
  218. Reconnect(command);
  219. OracleDataAdapter ad = new OracleDataAdapter(command);
  220. ad.Fill(dt);
  221. ad.Dispose();
  222. dt.Columns.RemoveAt(0);
  223. foreach (DataColumn dc in dt.Columns)
  224. {
  225. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  226. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  227. }
  228. return dt;
  229. }
  230. /// <summary>
  231. /// 通过表名,字段和条件获取DataTable类型的数据
  232. /// </summary>
  233. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  234. {
  235. DataTable dt = new DataTable();
  236. string sql = "select ";
  237. sql += AddField(Fields);
  238. sql += " from " + TableName + " where " + Condition;
  239. command = new OracleCommand(sql, connection);
  240. Reconnect(command);
  241. OracleDataAdapter ad = new OracleDataAdapter(command);
  242. try
  243. {
  244. ad.Fill(dt);
  245. }
  246. catch (Exception)
  247. {
  248. connection = new OracleConnection(DBConnectionString);
  249. connection.Open();
  250. command = new OracleCommand(sql, connection);
  251. ad = new OracleDataAdapter();
  252. ad.SelectCommand = command;
  253. ad.Fill(dt);
  254. }
  255. ad.Dispose();
  256. return dt;
  257. }
  258. /// <summary>
  259. /// 通过表名,字段获取DataTable类型的数据
  260. /// </summary>
  261. public DataTable getFieldsDatas(string TableName, string Fields)
  262. {
  263. DataTable dt = new DataTable();
  264. string sql = "select ";
  265. sql += Fields;
  266. sql += " from " + TableName;
  267. command = new OracleCommand(sql, connection);
  268. Reconnect(command);
  269. OracleDataAdapter ad = new OracleDataAdapter(command);
  270. ad.SelectCommand = command;
  271. try
  272. {
  273. ad.Fill(dt);
  274. }
  275. catch (Exception)
  276. {
  277. connection = new OracleConnection(DBConnectionString);
  278. connection.Open();
  279. command = new OracleCommand(sql, connection);
  280. ad = new OracleDataAdapter();
  281. ad.SelectCommand = command;
  282. ad.Fill(dt);
  283. }
  284. ad.Dispose();
  285. return dt;
  286. }
  287. /// <summary>
  288. /// 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
  289. /// </summary>
  290. /// <param name="DataTable"></param>
  291. /// <param name="TableName"></param>
  292. /// <param name="Condition"></param>
  293. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  294. {
  295. if (DataTable == null)
  296. {
  297. return;
  298. }
  299. StringBuilder sb = new StringBuilder();
  300. //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
  301. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  302. //将所有的字段拼接起来
  303. for (int i = 0; i < data.Rows.Count; i++)
  304. {
  305. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  306. }
  307. //移除掉所有不属于该表的列
  308. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  309. {
  310. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  311. {
  312. DataTable.Columns.RemoveAt(i);
  313. }
  314. }
  315. sb.Clear();
  316. //计算有多少个是新加的行,根据主键为空来进行判断
  317. int NewRowCount = 0;
  318. for (int i = 0; i < DataTable.Rows.Count; i++)
  319. {
  320. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  321. {
  322. NewRowCount = NewRowCount + 1;
  323. }
  324. }
  325. if (sql.Length > 0)
  326. {
  327. if (NewRowCount > 0)
  328. {
  329. //获取参数的个数
  330. int paramsNum = sql[0].Split(':').Length - 1;
  331. //解析参数的数据
  332. string[] param = GetParamFromSQL(sql[0]);
  333. //新建一个二维数组去
  334. string[][] param_array = new string[paramsNum][];
  335. //实例化每个一维数组
  336. for (int i = 0; i < paramsNum; i++)
  337. {
  338. param_array[i] = new string[NewRowCount];
  339. }
  340. //设置每列参数的索引
  341. int num = 0;
  342. //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
  343. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  344. {
  345. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  346. {
  347. //当为新添加行的时候才去设置参数,设置过后索引+1
  348. for (int j = 0; j < paramsNum; j++)
  349. {
  350. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  351. }
  352. DataTable.Rows.RemoveAt(i);
  353. num++;
  354. }
  355. }
  356. BatchInsertDataTable(sql[0], param, param_array);
  357. }
  358. }
  359. //不是新增行的启用更新的方法
  360. sb.Append("update " + TableName + " set ");
  361. //拼接语句,特殊处理日期
  362. foreach (DataColumn dc in DataTable.Columns)
  363. {
  364. if (!dc.DataType.ToString().Equals("System.DateTime"))
  365. {
  366. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  367. }
  368. else
  369. {
  370. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  371. }
  372. }
  373. sb.Remove(sb.Length - 1, 1);
  374. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  375. command = new OracleCommand(sb.ToString(), connection);
  376. OracleDataAdapter ad = new OracleDataAdapter(command);
  377. // 参数的长度是DataTable的行数决定的
  378. command.ArrayBindCount = DataTable.Rows.Count;
  379. //默认全部是Varchar2类型的
  380. OracleDbType ob = OracleDbType.Varchar2;
  381. for (int i = 0; i < DataTable.Columns.Count; i++)
  382. {
  383. object[] param = new object[DataTable.Rows.Count];
  384. for (int j = 0; j < DataTable.Rows.Count; j++)
  385. {
  386. DateTime dt = DateTime.Now;
  387. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  388. {
  389. param[j] = dt;
  390. ob = OracleDbType.Date;
  391. }
  392. else
  393. {
  394. ob = OracleDbType.Varchar2;
  395. param[j] = DataTable.Rows[j][i];
  396. }
  397. }
  398. //添加批量更新的参数
  399. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  400. }
  401. ad.UpdateCommand = command;
  402. ad.Update(DataTable);
  403. ad.Dispose();
  404. }
  405. /// <summary>
  406. /// 获取DbFind的数据的DataTable的结构
  407. /// </summary>
  408. /// <param name="field"></param>
  409. /// <param name="caller"></param>
  410. /// <returns></returns>
  411. public DataTable GetDbFindDataTable(string field, string caller)
  412. {
  413. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  414. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  415. if (dt.Rows.Count != 0)
  416. {
  417. //通过#号分割字段
  418. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  419. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  420. //获取查询要查询的Table
  421. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  422. //拼接查询的字段
  423. for (int i = 0; i < dbfield.Length; i++)
  424. {
  425. dbfield[i] = dbfield[i].Split(',')[0];
  426. }
  427. //新建一个空的DataTable
  428. DataTable dt1 = new DataTable();
  429. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  430. for (int i = 0; i < cnfield.Length; i++)
  431. {
  432. dt1.Columns.Add(cnfield[i]);
  433. dt1.Columns[i].Caption = dbfield[i];
  434. }
  435. //返回一个带有结构的空的DataTable
  436. //DbFind.BindTable1 = dbtable;
  437. return dt1;
  438. }
  439. else
  440. {
  441. return null;
  442. }
  443. }
  444. /// <summary>
  445. /// 检测内容是否存在
  446. /// </summary>
  447. /// <param name="TableName"></param>
  448. /// <param name="Condition"></param>
  449. /// <returns></returns>
  450. public bool CheckExist(string TableName, string Condition)
  451. {
  452. string sql = "select count(1) from " + TableName + " where " + Condition;
  453. command = new OracleCommand(sql, connection);
  454. Reconnect(command);
  455. OracleDataAdapter ad = new OracleDataAdapter(command);
  456. DataTable dt = new DataTable();
  457. try
  458. {
  459. ad.Fill(dt);
  460. }
  461. catch (Exception)
  462. {
  463. connection = new OracleConnection(DBConnectionString);
  464. connection.Open();
  465. command = new OracleCommand(sql, connection);
  466. ad = new OracleDataAdapter();
  467. ad.SelectCommand = command;
  468. ad.Fill(dt);
  469. }
  470. ad.Dispose();
  471. Console.WriteLine(dt.Rows[0][0].ToString());
  472. Console.WriteLine(int.Parse(dt.Rows[0][0].ToString()) > 0);
  473. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  474. }
  475. /// <summary>
  476. /// 直接执行SQL,同时传入SQL的类型
  477. /// </summary>
  478. /// <param name="SQL"></param>
  479. /// <param name="Type"></param>
  480. /// <returns></returns>
  481. public object ExecuteSql(string SQL, string Type, params object[] names)
  482. {
  483. object result = null;
  484. command = new OracleCommand(SQL, connection);
  485. Console.WriteLine(SQL);
  486. Reconnect(command);
  487. //用来拼接参数的
  488. if (names.Length > 0)
  489. {
  490. string[] par = SQL.Split(':');
  491. //用来存参数的数组
  492. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  493. for (int i = 0; i < par.Length - 1; i++)
  494. {
  495. //新建一个char类型的数组用来存储每个字节的变量
  496. char[] c = par[i + 1].ToCharArray();
  497. addpar[i] = new StringBuilder();
  498. for (int j = 0; j < c.Length; j++)
  499. {
  500. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  501. {
  502. addpar[i].Append(c[j]);
  503. }
  504. else
  505. {
  506. break;
  507. }
  508. }
  509. }
  510. for (int i = 0; i < addpar.Length; i++)
  511. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  512. }
  513. //Console.WriteLine(SQL);
  514. switch (Type.ToUpper())
  515. {
  516. case "SELECT":
  517. OracleDataAdapter ad = new OracleDataAdapter(command);
  518. result = new DataTable();
  519. try
  520. {
  521. ad.Fill((DataTable)result);
  522. }
  523. catch (Exception)
  524. {
  525. connection = new OracleConnection(DBConnectionString);
  526. connection.Open();
  527. command = new OracleCommand(SQL, connection);
  528. ad = new OracleDataAdapter();
  529. ad.SelectCommand = command;
  530. ad.Fill((DataTable)result);
  531. }
  532. break;
  533. case "DELETE":
  534. try
  535. {
  536. result = command.ExecuteNonQuery();
  537. }
  538. catch (Exception)
  539. {
  540. command.Connection = new OracleConnection(DBConnectionString);
  541. command.Connection.Open();
  542. result = command.ExecuteNonQuery();
  543. }
  544. break;
  545. case "UPDATE":
  546. try
  547. {
  548. result = command.ExecuteNonQuery();
  549. }
  550. catch (Exception)
  551. {
  552. command.Connection = new OracleConnection(DBConnectionString);
  553. command.Connection.Open();
  554. result = command.ExecuteNonQuery();
  555. }
  556. break;
  557. case "INSERT":
  558. try
  559. {
  560. result = command.ExecuteNonQuery();
  561. }
  562. catch (Exception)
  563. {
  564. command.Connection = new OracleConnection(DBConnectionString);
  565. command.Connection.Open();
  566. result = command.ExecuteNonQuery();
  567. }
  568. break;
  569. }
  570. return result;
  571. }
  572. /// <summary>
  573. /// 为了同步BS端的条码维护,检测时允许问号的存在,在检测时默认将问号换成:Param参数
  574. /// </summary>
  575. /// <param name="SQL"></param>
  576. public void CheckSQL(string SQL)
  577. {
  578. SQL = SQL.Replace("?", ":Param");
  579. command = new OracleCommand(SQL, connection);
  580. command.ExecuteNonQuery();
  581. }
  582. public int GetDistinctRowCount(string TableName, string Field)
  583. {
  584. DataTable dt = new DataTable();
  585. string sql = "select distinct count('" + Field + "') from " + TableName;
  586. command = new OracleCommand(sql, connection);
  587. Reconnect(command);
  588. OracleDataAdapter ad = new OracleDataAdapter(command);
  589. try
  590. {
  591. ad.Fill(dt);
  592. }
  593. catch (Exception)
  594. {
  595. connection = new OracleConnection(DBConnectionString);
  596. connection.Open();
  597. command = new OracleCommand(sql, connection);
  598. ad = new OracleDataAdapter();
  599. ad.SelectCommand = command;
  600. ad.Fill(dt);
  601. }
  602. ad.Dispose();
  603. return int.Parse(dt.Rows[0][0].ToString());
  604. }
  605. /// <summary>
  606. /// 根据Caller获取流水号
  607. /// </summary>
  608. /// <param name="Caller"></param>
  609. /// <returns></returns>
  610. public string GetSerialNumberByCaller(string Caller)
  611. {
  612. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  613. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  614. return SerialNumber;
  615. }
  616. /// <summary>
  617. /// 根据主键ID删除表的数据
  618. /// </summary>
  619. /// <param name="TableName">表名</param>
  620. /// <param name="ID">主键</param>
  621. /// <param name="DeleteID">需要删除主键ID的数组</param>
  622. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  623. {
  624. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  625. command = new OracleCommand(sql, connection);
  626. Reconnect(command);
  627. command.ArrayBindCount = DeleteID.Length;
  628. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  629. try
  630. {
  631. command.ExecuteNonQuery();
  632. }
  633. catch (Exception)
  634. {
  635. command.Connection = new OracleConnection(DBConnectionString);
  636. command.Connection.Open();
  637. command.ExecuteNonQuery();
  638. }
  639. }
  640. /// <summary>
  641. /// 通过序列的名称获取序列
  642. /// </summary>
  643. /// <param name="SeqName"></param>
  644. /// <returns></returns>
  645. public string GetSEQ(string SeqName)
  646. {
  647. DataTable dt = new DataTable();
  648. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  649. return dt.Rows[0][0].ToString();
  650. }
  651. /// <summary>
  652. /// 通过序列的名称获取序列
  653. /// </summary>
  654. /// <param name="SeqName"></param>
  655. /// <returns></returns>
  656. public string[] GetSEQ(string SeqName, int Num)
  657. {
  658. DataTable dt = new DataTable();
  659. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".nextval FROM DUAL CONNECT BY LEVEL<=" + Num, "select");
  660. string[] SerialNum = new string[dt.Rows.Count];
  661. for (int i = 0; i < dt.Rows.Count; i++)
  662. {
  663. SerialNum[i] = dt.Rows[i][0].ToString();
  664. }
  665. return SerialNum;
  666. }
  667. public void SaveDataTable(DataTable dt, string TableName, string ID, params string[] sql)
  668. {
  669. if (dt == null)
  670. {
  671. return;
  672. }
  673. StringBuilder sb = new StringBuilder();
  674. //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
  675. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  676. //将所有的字段拼接起来
  677. for (int i = 0; i < data.Rows.Count; i++)
  678. {
  679. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  680. }
  681. //移除掉所有不属于该表的列
  682. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  683. {
  684. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  685. {
  686. dt.Columns.RemoveAt(i);
  687. }
  688. }
  689. sb.Clear();
  690. //计算有多少个是新加的行,根据主键为空来进行判断
  691. int NewRowCount = 0;
  692. for (int i = 0; i < dt.Rows.Count; i++)
  693. {
  694. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  695. {
  696. NewRowCount = NewRowCount + 1;
  697. }
  698. }
  699. if (sql.Length > 0)
  700. {
  701. if (NewRowCount > 0)
  702. {
  703. //获取参数的个数
  704. int paramsNum = sql[0].Split(':').Length - 1;
  705. //解析参数的数据
  706. string[] param = GetParamFromSQL(sql[0]);
  707. //新建一个二维数组去
  708. string[][] param_array = new string[paramsNum][];
  709. //实例化每个一维数组
  710. for (int i = 0; i < paramsNum; i++)
  711. {
  712. param_array[i] = new string[NewRowCount];
  713. }
  714. //设置每列参数的索引
  715. int num = 0;
  716. //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
  717. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  718. {
  719. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  720. {
  721. //当为新添加行的时候才去设置参数,设置过后索引+1
  722. for (int j = 0; j < paramsNum; j++)
  723. {
  724. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  725. }
  726. dt.Rows.RemoveAt(i);
  727. num++;
  728. }
  729. }
  730. BatchInsertDataTable(sql[0], param, param_array);
  731. }
  732. }
  733. sb.Clear();
  734. sb.Append("update " + TableName + " set ");
  735. int ColumnCount = dt.Columns.Count;
  736. int RowCount = dt.Rows.Count;
  737. //存数据的参数
  738. List<string[]> Parameter = new List<string[]>();
  739. //存参数名的参数
  740. string[] ParName = new string[ColumnCount];
  741. for (int i = 0; i < ColumnCount; i++)
  742. {
  743. ParName[i] = dt.Columns[i].ColumnName;
  744. if (i == dt.Columns.Count - 1)
  745. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  746. else
  747. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  748. }
  749. sb.Append(" where " + ID + " =:" + ID);
  750. //先添加参数
  751. Parameter.Add(ParName);
  752. //添加参数的具体内容
  753. for (int i = 0; i < ColumnCount; i++)
  754. {
  755. string[] par = new string[RowCount];
  756. for (int j = 0; j < RowCount; j++)
  757. {
  758. par[j] = dt.Rows[j][i].ToString();
  759. }
  760. Parameter.Add(par);
  761. }
  762. BatchInsert(sb.ToString(), Parameter.ToArray());
  763. }
  764. /// <summary>
  765. /// 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
  766. /// 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
  767. /// </summary>
  768. /// <param name="sql"></param>
  769. /// <param name="names"></param>
  770. public void BatchInsert(string sql, params object[][] names)
  771. {
  772. command = new OracleCommand(sql, connection);
  773. Reconnect(command);
  774. command.ArrayBindCount = names[1].Length;
  775. //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
  776. //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
  777. for (int i = 1; i <= names[0].Length; i++)
  778. {
  779. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  780. }
  781. try
  782. {
  783. command.ExecuteNonQuery();
  784. }
  785. catch (Exception)
  786. {
  787. command.Connection = new OracleConnection(DBConnectionString);
  788. command.Connection.Open();
  789. command.ExecuteNonQuery();
  790. }
  791. }
  792. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  793. {
  794. command = new OracleCommand(sql, connection);
  795. Reconnect(command);
  796. command.ArrayBindCount = param1[0].Length;
  797. //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
  798. //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
  799. for (int i = 0; i < param.Length; i++)
  800. {
  801. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  802. }
  803. try
  804. {
  805. command.ExecuteNonQuery();
  806. }
  807. catch (Exception)
  808. {
  809. command.Connection = new OracleConnection(DBConnectionString);
  810. command.Connection.Open();
  811. command.ExecuteNonQuery();
  812. }
  813. }
  814. /// <summary>
  815. /// 取Configs表中的配置,进行该客户是否执行某个操作
  816. /// </summary>
  817. /// <param name="Code"></param>
  818. /// <param name="Caller"></param>
  819. /// <returns></returns>
  820. public object GetConfig(string Code, string Caller)
  821. {
  822. DataTable dt = new DataTable();
  823. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  824. dt = (DataTable)ExecuteSql(sql, "select");
  825. if (dt.Rows.Count == 0)
  826. {
  827. return "";
  828. }
  829. else
  830. {
  831. return dt.Rows[0]["Data"];
  832. }
  833. }
  834. //将数据类型的列类型转换为DataTable
  835. public DataTable DataTypeColumnToDataTable(DataTable dt)
  836. {
  837. DataTable dt1 = new DataTable();
  838. dt1.Rows.Add();
  839. foreach (DataRow dr in dt.Rows)
  840. {
  841. dt1.Columns.Add(dr[0].ToString());
  842. int index = dt.Rows.IndexOf(dr);
  843. if (dr[1].ToString() == "NUMBER")
  844. {
  845. dt1.Rows[0][index] = 0;
  846. }
  847. if (dr[1].ToString() == "VARCHAR2")
  848. {
  849. dt1.Rows[0][index] = "这是一段文字";
  850. }
  851. if (dr[1].ToString() == "DATE")
  852. {
  853. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  854. }
  855. if (dr[1].ToString() == "FLOAT")
  856. {
  857. dt1.Rows[0][index] = 1.0;
  858. }
  859. if (dr[1].ToString() == "CLOB")
  860. {
  861. dt1.Rows[0][index] = "一段长文字";
  862. }
  863. }
  864. return dt1;
  865. }
  866. /// <summary>
  867. /// 通过条件更新
  868. /// </summary>
  869. /// <param name="TableName"></param>
  870. /// <param name="update"></param>
  871. /// <param name="condition"></param>
  872. public string UpdateByCondition(string TableName, string update, string condition)
  873. {
  874. string sql = "update " + TableName + " set " + update + " where " + condition;
  875. command = new OracleCommand(sql, connection);
  876. Console.WriteLine(sql);
  877. Reconnect(command);
  878. try
  879. {
  880. command.ExecuteNonQuery();
  881. }
  882. catch (Exception)
  883. {
  884. command.Connection = new OracleConnection(DBConnectionString);
  885. command.Connection.Open();
  886. command.ExecuteNonQuery();
  887. }
  888. return sql;
  889. }
  890. /// <summary>
  891. /// 调用存储过程
  892. /// </summary>
  893. /// <param name="ProcedureName"></param>
  894. /// <param name="param"></param>
  895. public void CallProcedure(string ProcedureName, ref string[] param)
  896. {
  897. command = new OracleCommand(ProcedureName);
  898. command.Connection = connection;
  899. Reconnect(command);
  900. command.CommandText = ProcedureName;
  901. command.CommandType = CommandType.StoredProcedure;
  902. for (int i = 0; i < param.Length; i++)
  903. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, 4000, param[i], ParameterDirection.InputOutput));
  904. try
  905. {
  906. command.ExecuteNonQuery();
  907. }
  908. catch (Exception)
  909. {
  910. command.Connection = new OracleConnection(DBConnectionString);
  911. command.Connection.Open();
  912. command.ExecuteNonQuery();
  913. }
  914. for (int i = 0; i < command.Parameters.Count; i++)
  915. param[i] = command.Parameters[i].Value.ToString();
  916. }
  917. public void CallProcedure(string ProcedureName, string[] ParamName, ref string[] param)
  918. {
  919. command = new OracleCommand(ProcedureName);
  920. command.Connection = connection;
  921. Reconnect(command);
  922. command.CommandText = ProcedureName;
  923. command.CommandType = CommandType.StoredProcedure;
  924. for (int i = 0; i < param.Length; i++)
  925. {
  926. command.Parameters.Add(new OracleParameter(ParamName[i], OracleDbType.Varchar2, 200, param[i], ParameterDirection.InputOutput));
  927. //command.Parameters.Add(new OracleParameter(ParamName[i], OracleType.VarChar, 200, ParameterDirection.InputOutput, "", DataRowVersion.Default, true, param[i]));
  928. }
  929. try
  930. {
  931. command.ExecuteNonQuery();
  932. }
  933. catch (Exception)
  934. {
  935. command.Connection = new OracleConnection(ConnectionStrings);
  936. command.Connection.Open();
  937. command.ExecuteNonQuery();
  938. }
  939. for (int i = 0; i < command.Parameters.Count; i++)
  940. param[i] = command.Parameters[i].Value.ToString();
  941. }
  942. /// <summary>
  943. /// 出现异常进行回滚的执行方法
  944. /// </summary>
  945. /// <param name="SQL"></param>
  946. public void ExecuteSQLTran(params string[] SQL)
  947. {
  948. OracleTransaction tx = connection.BeginTransaction();
  949. command = new OracleCommand();
  950. command.Connection = connection;
  951. command.Transaction = tx;
  952. try
  953. {
  954. foreach (string sql in SQL)
  955. {
  956. if (!String.IsNullOrEmpty(sql))
  957. {
  958. Console.WriteLine(sql);
  959. command.CommandText = sql;
  960. try
  961. {
  962. command.ExecuteNonQuery();
  963. }
  964. catch (Exception)
  965. {
  966. command.Connection = new OracleConnection(DBConnectionString);
  967. command.Connection.Open();
  968. command.ExecuteNonQuery();
  969. }
  970. }
  971. }
  972. tx.Commit();
  973. }
  974. catch (Exception E)
  975. {
  976. tx.Rollback();
  977. throw new Exception(E.Message);
  978. }
  979. }
  980. /// <summary>
  981. /// 用于将string 的数组转换成SQL的查询内容
  982. /// </summary>
  983. /// <param name="Fields"></param>
  984. /// <returns></returns>
  985. private string AddField(string[] Fields)
  986. {
  987. string sql = " ";
  988. foreach (string field in Fields)
  989. {
  990. sql += field + ",";
  991. }
  992. return sql.Substring(0, sql.Length - 1);
  993. }
  994. /// <summary>
  995. /// 通过查询的内容获取到字段的描述
  996. /// </summary>
  997. /// <param name="field"></param>
  998. /// <returns></returns>
  999. private static string[] GetCaptionFromField(string field)
  1000. {
  1001. string[] caption = field.Split(',');
  1002. for (int i = 0; i < caption.Length; i++)
  1003. {
  1004. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  1005. }
  1006. return caption;
  1007. }
  1008. /// <summary>
  1009. /// 通过查询的语句获取查询的字段
  1010. /// </summary>
  1011. /// <param name="field"></param>
  1012. /// <returns></returns>
  1013. private static string[] GetField(string field)
  1014. {
  1015. string[] fields = field.Split(',');
  1016. for (int i = 0; i < fields.Length; i++)
  1017. {
  1018. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  1019. }
  1020. return fields;
  1021. }
  1022. public object GetLabelParam(string sql)
  1023. {
  1024. DataTable dt = new DataTable();
  1025. command = new OracleCommand(sql, connection);
  1026. Reconnect(command);
  1027. OracleDataAdapter ad = new OracleDataAdapter();
  1028. ad.SelectCommand = command;
  1029. try
  1030. {
  1031. ad.Fill(dt);
  1032. }
  1033. catch (Exception)
  1034. {
  1035. connection = new OracleConnection(DBConnectionString);
  1036. connection.Open();
  1037. command = new OracleCommand(sql, connection);
  1038. ad = new OracleDataAdapter();
  1039. ad.SelectCommand = command;
  1040. ad.Fill(dt);
  1041. }
  1042. if (dt.Rows.Count > 0)
  1043. {
  1044. ad.Dispose();
  1045. return dt.Rows[0][0];
  1046. }
  1047. else
  1048. {
  1049. return "";
  1050. }
  1051. }
  1052. public static string[] GetParamFromSQL(string SQL)
  1053. {
  1054. string[] par = SQL.Split(':');
  1055. //用来存参数的数组
  1056. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  1057. string[] param = new string[par.Length - 1];
  1058. for (int i = 0; i < par.Length - 1; i++)
  1059. {
  1060. //新建一个char类型的数组用来存储每个字节的变量
  1061. char[] c = par[i + 1].ToCharArray();
  1062. addpar[i] = new StringBuilder();
  1063. for (int j = 0; j < c.Length; j++)
  1064. {
  1065. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1066. {
  1067. addpar[i].Append(c[j]);
  1068. }
  1069. else
  1070. {
  1071. break;
  1072. }
  1073. }
  1074. }
  1075. for (int i = 0; i < par.Length - 1; i++)
  1076. {
  1077. param[i] = addpar[i].ToString();
  1078. }
  1079. return param;
  1080. }
  1081. public void Dispose()
  1082. {
  1083. }
  1084. private void Reconnect(OracleCommand cmd)
  1085. {
  1086. if (cmd.Connection.State == ConnectionState.Closed)
  1087. {
  1088. cmd.Connection.Open();
  1089. LogManager.DoLog("超时重连");
  1090. }
  1091. }
  1092. }
  1093. }