DataHelper.cs 44 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=DATACENTER_T;Pooling=false;Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=erp.rfwdz.com)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));";
  13. //private string ConnectionStrings = "Connection Timeout=0;Pooling=false;Password=select!#%*(;User ID=MES_T;Pooling=false;Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=113.108.109.210)(PORT=1522)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));";
  14. //用户选择的数据库的连接字符串
  15. public static string DBConnectionString;
  16. public static OracleConnection connection = null;
  17. OracleCommand command = null;
  18. int ReconnectTime = 0;
  19. /// <summary>
  20. /// 执行构造函数的时候打开数据库的链接
  21. /// </summary>
  22. public DataHelper()
  23. {
  24. try
  25. {
  26. //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
  27. if (DBConnectionString == null || DBConnectionString == ConnectionStrings)
  28. connection = new OracleConnection(ConnectionStrings);
  29. else
  30. connection = new OracleConnection(DBConnectionString);
  31. connection.Open();
  32. }
  33. catch (Exception e) { LogManager.DoLog(e.Message); }
  34. }
  35. /// <summary>
  36. /// 根据表名获取该表字段数据类型
  37. /// </summary>
  38. public DataTable GetColumnDataType(string TableName)
  39. {
  40. DataTable dt = new DataTable();
  41. command = new OracleCommand("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", connection);
  42. Reconnect(command);
  43. OracleDataAdapter ad = new OracleDataAdapter(command);
  44. ad.Fill(dt);
  45. ad.Dispose();
  46. return dt;
  47. }
  48. /// <summary>
  49. /// 获取第一行第一列的信息
  50. /// </summary>
  51. public object getFieldDataByCondition(string TableName, string Field, string Condition)
  52. {
  53. DataTable dt = new DataTable();
  54. string sql = "select " + Field + " from " + TableName + " where " + Condition;
  55. command = new OracleCommand(sql, connection);
  56. //LogManager.DoSQLLog(sql.ToString());
  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>
  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. LogManager.DoSQLLog(sql.ToString());
  455. Reconnect(command);
  456. OracleDataAdapter ad = new OracleDataAdapter(command);
  457. DataTable dt = new DataTable();
  458. try
  459. {
  460. ad.Fill(dt);
  461. }
  462. catch (Exception)
  463. {
  464. connection = new OracleConnection(DBConnectionString);
  465. connection.Open();
  466. command = new OracleCommand(sql, connection);
  467. ad = new OracleDataAdapter();
  468. ad.SelectCommand = command;
  469. ad.Fill(dt);
  470. }
  471. ad.Dispose();
  472. Console.WriteLine(dt.Rows[0][0].ToString());
  473. Console.WriteLine(int.Parse(dt.Rows[0][0].ToString()) > 0);
  474. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  475. }
  476. /// <summary>
  477. /// 直接执行SQL,同时传入SQL的类型
  478. /// </summary>
  479. /// <param name="SQL"></param>
  480. /// <param name="Type"></param>
  481. /// <returns></returns>
  482. public object ExecuteSql(string SQL, string Type, params object[] names)
  483. {
  484. object result = null;
  485. command = new OracleCommand(SQL, connection);
  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. LogManager.DoSQLLog(SQL.ToString());
  514. Console.WriteLine(SQL);
  515. switch (Type.ToUpper())
  516. {
  517. case "SELECT":
  518. OracleDataAdapter ad = new OracleDataAdapter(command);
  519. result = new DataTable();
  520. try
  521. {
  522. ad.Fill((DataTable)result);
  523. }
  524. catch (Exception)
  525. {
  526. connection = new OracleConnection(DBConnectionString);
  527. connection.Open();
  528. command = new OracleCommand(SQL, connection);
  529. ad = new OracleDataAdapter();
  530. ad.SelectCommand = command;
  531. ad.Fill((DataTable)result);
  532. }
  533. break;
  534. case "DELETE":
  535. try
  536. {
  537. result = command.ExecuteNonQuery();
  538. }
  539. catch (Exception)
  540. {
  541. command.Connection = new OracleConnection(DBConnectionString);
  542. command.Connection.Open();
  543. result = command.ExecuteNonQuery();
  544. }
  545. break;
  546. case "UPDATE":
  547. try
  548. {
  549. result = command.ExecuteNonQuery();
  550. }
  551. catch (Exception)
  552. {
  553. command.Connection = new OracleConnection(DBConnectionString);
  554. command.Connection.Open();
  555. result = command.ExecuteNonQuery();
  556. }
  557. break;
  558. case "INSERT":
  559. try
  560. {
  561. result = command.ExecuteNonQuery();
  562. }
  563. catch (Exception)
  564. {
  565. command.Connection = new OracleConnection(DBConnectionString);
  566. command.Connection.Open();
  567. result = command.ExecuteNonQuery();
  568. }
  569. break;
  570. }
  571. return result;
  572. }
  573. /// <summary>
  574. /// 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
  575. /// </summary>
  576. /// <param name="SQL"></param>
  577. public void CheckSQL(string SQL)
  578. {
  579. SQL = SQL.Replace("?", ":Param");
  580. command = new OracleCommand(SQL, connection);
  581. command.ExecuteNonQuery();
  582. }
  583. public int GetDistinctRowCount(string TableName, string Field)
  584. {
  585. DataTable dt = new DataTable();
  586. string sql = "select distinct count('" + Field + "') from " + TableName;
  587. command = new OracleCommand(sql, connection);
  588. Reconnect(command);
  589. OracleDataAdapter ad = new OracleDataAdapter(command);
  590. try
  591. {
  592. ad.Fill(dt);
  593. }
  594. catch (Exception)
  595. {
  596. connection = new OracleConnection(DBConnectionString);
  597. connection.Open();
  598. command = new OracleCommand(sql, connection);
  599. ad = new OracleDataAdapter();
  600. ad.SelectCommand = command;
  601. ad.Fill(dt);
  602. }
  603. ad.Dispose();
  604. return int.Parse(dt.Rows[0][0].ToString());
  605. }
  606. /// <summary>
  607. /// 根据Caller获取流水号
  608. /// </summary>
  609. /// <param name="Caller"></param>
  610. /// <returns></returns>
  611. public string GetSerialNumberByCaller(string Caller)
  612. {
  613. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  614. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  615. return SerialNumber;
  616. }
  617. /// <summary>
  618. /// 根据主键ID删除表的数据
  619. /// </summary>
  620. /// <param name="TableName">表名</param>
  621. /// <param name="ID">主键</param>
  622. /// <param name="DeleteID">需要删除主键ID的数组</param>
  623. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  624. {
  625. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  626. command = new OracleCommand(sql, connection);
  627. Reconnect(command);
  628. command.ArrayBindCount = DeleteID.Length;
  629. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  630. try
  631. {
  632. command.ExecuteNonQuery();
  633. }
  634. catch (Exception)
  635. {
  636. command.Connection = new OracleConnection(DBConnectionString);
  637. command.Connection.Open();
  638. command.ExecuteNonQuery();
  639. }
  640. }
  641. /// <summary>
  642. /// 通过序列的名称获取序列
  643. /// </summary>
  644. /// <param name="SeqName"></param>
  645. /// <returns></returns>
  646. public string GetSEQ(string SeqName)
  647. {
  648. DataTable dt = new DataTable();
  649. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  650. return dt.Rows[0][0].ToString();
  651. }
  652. /// <summary>
  653. /// 通过序列的名称获取序列
  654. /// </summary>
  655. /// <param name="SeqName"></param>
  656. /// <returns></returns>
  657. public string[] GetSEQ(string SeqName, int Num)
  658. {
  659. DataTable dt = new DataTable();
  660. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".nextval FROM DUAL CONNECT BY LEVEL<=" + Num, "select");
  661. string[] SerialNum = new string[dt.Rows.Count];
  662. for (int i = 0; i < dt.Rows.Count; i++)
  663. {
  664. SerialNum[i] = dt.Rows[i][0].ToString();
  665. }
  666. return SerialNum;
  667. }
  668. public void SaveDataTable(DataTable dt, string TableName, string ID, params string[] sql)
  669. {
  670. if (dt == null)
  671. {
  672. return;
  673. }
  674. StringBuilder sb = new StringBuilder();
  675. //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
  676. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  677. //将所有的字段拼接起来
  678. for (int i = 0; i < data.Rows.Count; i++)
  679. {
  680. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  681. }
  682. //移除掉所有不属于该表的列
  683. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  684. {
  685. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  686. {
  687. dt.Columns.RemoveAt(i);
  688. }
  689. }
  690. sb.Clear();
  691. //计算有多少个是新加的行,根据主键为空来进行判断
  692. int NewRowCount = 0;
  693. for (int i = 0; i < dt.Rows.Count; i++)
  694. {
  695. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  696. {
  697. NewRowCount = NewRowCount + 1;
  698. }
  699. }
  700. if (sql.Length > 0)
  701. {
  702. if (NewRowCount > 0)
  703. {
  704. //获取参数的个数
  705. int paramsNum = sql[0].Split(':').Length - 1;
  706. //解析参数的数据
  707. string[] param = GetParamFromSQL(sql[0]);
  708. //新建一个二维数组去
  709. string[][] param_array = new string[paramsNum][];
  710. //实例化每个一维数组
  711. for (int i = 0; i < paramsNum; i++)
  712. {
  713. param_array[i] = new string[NewRowCount];
  714. }
  715. //设置每列参数的索引
  716. int num = 0;
  717. //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
  718. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  719. {
  720. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  721. {
  722. //当为新添加行的时候才去设置参数,设置过后索引+1
  723. for (int j = 0; j < paramsNum; j++)
  724. {
  725. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  726. }
  727. dt.Rows.RemoveAt(i);
  728. num++;
  729. }
  730. }
  731. BatchInsertDataTable(sql[0], param, param_array);
  732. }
  733. }
  734. sb.Clear();
  735. sb.Append("update " + TableName + " set ");
  736. int ColumnCount = dt.Columns.Count;
  737. int RowCount = dt.Rows.Count;
  738. //存数据的参数
  739. List<string[]> Parameter = new List<string[]>();
  740. //存参数名的参数
  741. string[] ParName = new string[ColumnCount];
  742. for (int i = 0; i < ColumnCount; i++)
  743. {
  744. ParName[i] = dt.Columns[i].ColumnName;
  745. if (i == dt.Columns.Count - 1)
  746. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  747. else
  748. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  749. }
  750. sb.Append(" where " + ID + " =:" + ID);
  751. //先添加参数
  752. Parameter.Add(ParName);
  753. //添加参数的具体内容
  754. for (int i = 0; i < ColumnCount; i++)
  755. {
  756. string[] par = new string[RowCount];
  757. for (int j = 0; j < RowCount; j++)
  758. {
  759. par[j] = dt.Rows[j][i].ToString();
  760. }
  761. Parameter.Add(par);
  762. }
  763. BatchInsert(sb.ToString(), Parameter.ToArray());
  764. }
  765. /// <summary>
  766. /// 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
  767. /// 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
  768. /// </summary>
  769. /// <param name="sql"></param>
  770. /// <param name="names"></param>
  771. public void BatchInsert(string sql, params object[][] names)
  772. {
  773. command = new OracleCommand(sql, connection);
  774. Reconnect(command);
  775. command.ArrayBindCount = names[1].Length;
  776. //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
  777. //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
  778. for (int i = 1; i <= names[0].Length; i++)
  779. {
  780. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  781. }
  782. try
  783. {
  784. command.ExecuteNonQuery();
  785. }
  786. catch (Exception)
  787. {
  788. command.Connection = new OracleConnection(DBConnectionString);
  789. command.Connection.Open();
  790. command.ExecuteNonQuery();
  791. }
  792. }
  793. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  794. {
  795. command = new OracleCommand(sql, connection);
  796. Reconnect(command);
  797. command.ArrayBindCount = param1[0].Length;
  798. //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
  799. //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
  800. for (int i = 0; i < param.Length; i++)
  801. {
  802. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  803. }
  804. try
  805. {
  806. command.ExecuteNonQuery();
  807. }
  808. catch (Exception)
  809. {
  810. command.Connection = new OracleConnection(DBConnectionString);
  811. command.Connection.Open();
  812. command.ExecuteNonQuery();
  813. }
  814. }
  815. /// <summary>
  816. /// 取Configs表中的配置,进行该客户是否执行某个操作
  817. /// </summary>
  818. /// <param name="Code"></param>
  819. /// <param name="Caller"></param>
  820. /// <returns></returns>
  821. public object GetConfig(string Code, string Caller)
  822. {
  823. DataTable dt = new DataTable();
  824. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  825. dt = (DataTable)ExecuteSql(sql, "select");
  826. if (dt.Rows.Count == 0)
  827. {
  828. return "";
  829. }
  830. else
  831. {
  832. return dt.Rows[0]["Data"];
  833. }
  834. }
  835. //将数据类型的列类型转换为DataTable
  836. public DataTable DataTypeColumnToDataTable(DataTable dt)
  837. {
  838. DataTable dt1 = new DataTable();
  839. dt1.Rows.Add();
  840. foreach (DataRow dr in dt.Rows)
  841. {
  842. dt1.Columns.Add(dr[0].ToString());
  843. int index = dt.Rows.IndexOf(dr);
  844. if (dr[1].ToString() == "NUMBER")
  845. {
  846. dt1.Rows[0][index] = 0;
  847. }
  848. if (dr[1].ToString() == "VARCHAR2")
  849. {
  850. dt1.Rows[0][index] = "这是一段文字";
  851. }
  852. if (dr[1].ToString() == "DATE")
  853. {
  854. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  855. }
  856. if (dr[1].ToString() == "FLOAT")
  857. {
  858. dt1.Rows[0][index] = 1.0;
  859. }
  860. if (dr[1].ToString() == "CLOB")
  861. {
  862. dt1.Rows[0][index] = "一段长文字";
  863. }
  864. }
  865. return dt1;
  866. }
  867. /// <summary>
  868. /// 通过条件更新
  869. /// </summary>
  870. /// <param name="TableName"></param>
  871. /// <param name="update"></param>
  872. /// <param name="condition"></param>
  873. public string UpdateByCondition(string TableName, string update, string condition)
  874. {
  875. string sql = "update " + TableName + " set " + update + " where " + condition;
  876. command = new OracleCommand(sql, connection);
  877. LogManager.DoSQLLog(sql.ToString());
  878. Console.WriteLine(sql);
  879. Reconnect(command);
  880. try
  881. {
  882. command.ExecuteNonQuery();
  883. }
  884. catch (Exception)
  885. {
  886. command.Connection = new OracleConnection(DBConnectionString);
  887. command.Connection.Open();
  888. command.ExecuteNonQuery();
  889. }
  890. return sql;
  891. }
  892. /// <summary>
  893. /// 调用存储过程
  894. /// </summary>
  895. /// <param name="ProcedureName"></param>
  896. /// <param name="param"></param>
  897. public void CallProcedure(string ProcedureName, ref string[] param)
  898. {
  899. command = new OracleCommand(ProcedureName);
  900. command.Connection = connection;
  901. Reconnect(command);
  902. command.CommandText = ProcedureName;
  903. command.CommandType = CommandType.StoredProcedure;
  904. for (int i = 0; i < param.Length; i++)
  905. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, 4000, param[i], ParameterDirection.InputOutput));
  906. try
  907. {
  908. command.ExecuteNonQuery();
  909. }
  910. catch (Exception)
  911. {
  912. command.Connection = new OracleConnection(DBConnectionString);
  913. command.Connection.Open();
  914. command.ExecuteNonQuery();
  915. }
  916. for (int i = 0; i < command.Parameters.Count; i++)
  917. param[i] = command.Parameters[i].Value.ToString();
  918. }
  919. public void CallProcedure(string ProcedureName, string[] ParamName, ref string[] param)
  920. {
  921. command = new OracleCommand(ProcedureName);
  922. command.Connection = connection;
  923. Reconnect(command);
  924. command.CommandText = ProcedureName;
  925. command.CommandType = CommandType.StoredProcedure;
  926. for (int i = 0; i < param.Length; i++)
  927. {
  928. command.Parameters.Add(new OracleParameter(ParamName[i], OracleDbType.Varchar2, 200, param[i], ParameterDirection.InputOutput));
  929. //command.Parameters.Add(new OracleParameter(ParamName[i], OracleType.VarChar, 200, ParameterDirection.InputOutput, "", DataRowVersion.Default, true, param[i]));
  930. }
  931. try
  932. {
  933. command.ExecuteNonQuery();
  934. }
  935. catch (Exception)
  936. {
  937. command.Connection = new OracleConnection(ConnectionStrings);
  938. command.Connection.Open();
  939. command.ExecuteNonQuery();
  940. }
  941. for (int i = 0; i < command.Parameters.Count; i++)
  942. param[i] = command.Parameters[i].Value.ToString();
  943. }
  944. /// <summary>
  945. /// 出现异常进行回滚的执行方法
  946. /// </summary>
  947. /// <param name="SQL"></param>
  948. public void ExecuteSQLTran(params string[] SQL)
  949. {
  950. OracleTransaction tx = connection.BeginTransaction();
  951. command = new OracleCommand();
  952. command.Connection = connection;
  953. command.Transaction = tx;
  954. try
  955. {
  956. foreach (string sql in SQL)
  957. {
  958. if (!String.IsNullOrEmpty(sql))
  959. {
  960. Console.WriteLine(sql);
  961. command.CommandText = sql;
  962. try
  963. {
  964. command.ExecuteNonQuery();
  965. }
  966. catch (Exception)
  967. {
  968. command.Connection = new OracleConnection(DBConnectionString);
  969. command.Connection.Open();
  970. command.ExecuteNonQuery();
  971. }
  972. }
  973. }
  974. tx.Commit();
  975. }
  976. catch (Exception E)
  977. {
  978. tx.Rollback();
  979. throw new Exception(E.Message);
  980. }
  981. }
  982. /// <summary>
  983. /// 用于将string 的数组转换成SQL的查询内容
  984. /// </summary>
  985. /// <param name="Fields"></param>
  986. /// <returns></returns>
  987. private string AddField(string[] Fields)
  988. {
  989. string sql = " ";
  990. foreach (string field in Fields)
  991. {
  992. sql += field + ",";
  993. }
  994. return sql.Substring(0, sql.Length - 1);
  995. }
  996. /// <summary>
  997. /// 通过查询的内容获取到字段的描述
  998. /// </summary>
  999. /// <param name="field"></param>
  1000. /// <returns></returns>
  1001. private static string[] GetCaptionFromField(string field)
  1002. {
  1003. string[] caption = field.Split(',');
  1004. for (int i = 0; i < caption.Length; i++)
  1005. {
  1006. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  1007. }
  1008. return caption;
  1009. }
  1010. /// <summary>
  1011. /// 通过查询的语句获取查询的字段
  1012. /// </summary>
  1013. /// <param name="field"></param>
  1014. /// <returns></returns>
  1015. private static string[] GetField(string field)
  1016. {
  1017. string[] fields = field.Split(',');
  1018. for (int i = 0; i < fields.Length; i++)
  1019. {
  1020. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  1021. }
  1022. return fields;
  1023. }
  1024. public object GetLabelParam(string sql)
  1025. {
  1026. DataTable dt = new DataTable();
  1027. command = new OracleCommand(sql, connection);
  1028. Reconnect(command);
  1029. OracleDataAdapter ad = new OracleDataAdapter();
  1030. ad.SelectCommand = command;
  1031. try
  1032. {
  1033. ad.Fill(dt);
  1034. }
  1035. catch (Exception)
  1036. {
  1037. connection = new OracleConnection(DBConnectionString);
  1038. connection.Open();
  1039. command = new OracleCommand(sql, connection);
  1040. ad = new OracleDataAdapter();
  1041. ad.SelectCommand = command;
  1042. ad.Fill(dt);
  1043. }
  1044. if (dt.Rows.Count > 0)
  1045. {
  1046. ad.Dispose();
  1047. return dt.Rows[0][0];
  1048. }
  1049. else
  1050. {
  1051. return "";
  1052. }
  1053. }
  1054. public static string[] GetParamFromSQL(string SQL)
  1055. {
  1056. string[] par = SQL.Split(':');
  1057. //用来存参数的数组
  1058. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  1059. string[] param = new string[par.Length - 1];
  1060. for (int i = 0; i < par.Length - 1; i++)
  1061. {
  1062. //新建一个char类型的数组用来存储每个字节的变量
  1063. char[] c = par[i + 1].ToCharArray();
  1064. addpar[i] = new StringBuilder();
  1065. for (int j = 0; j < c.Length; j++)
  1066. {
  1067. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1068. {
  1069. addpar[i].Append(c[j]);
  1070. }
  1071. else
  1072. {
  1073. break;
  1074. }
  1075. }
  1076. }
  1077. for (int i = 0; i < par.Length - 1; i++)
  1078. {
  1079. param[i] = addpar[i].ToString();
  1080. }
  1081. return param;
  1082. }
  1083. public void Dispose()
  1084. {
  1085. }
  1086. private void Reconnect(OracleCommand cmd)
  1087. {
  1088. if (cmd.Connection.State == ConnectionState.Closed)
  1089. {
  1090. cmd.Connection.Open();
  1091. LogManager.DoLog("超时重连");
  1092. }
  1093. }
  1094. }
  1095. }