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=59.36.211.56)(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. public static readonly string ERPAddesss = "http://120.42.50.242:8099/ERP/";
  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. //LogManager.DoSQLLog(sql.ToString());
  58. Console.WriteLine(sql);
  59. Reconnect(command);
  60. OracleDataAdapter ad = new OracleDataAdapter();
  61. ad.SelectCommand = command;
  62. try
  63. {
  64. ad.Fill(dt);
  65. }
  66. catch (Exception)
  67. {
  68. connection = new OracleConnection(DBConnectionString);
  69. connection.Open();
  70. command = new OracleCommand(sql, connection);
  71. ad = new OracleDataAdapter();
  72. ad.SelectCommand = command;
  73. ad.Fill(dt);
  74. }
  75. ad.Dispose();
  76. if (dt.Rows.Count > 0)
  77. {
  78. return dt.Rows[0][0];
  79. }
  80. else
  81. {
  82. return "";
  83. }
  84. }
  85. /// <summary>
  86. /// 执行打印的SQL
  87. /// </summary>
  88. /// <param name="SQL">SQL语句</param>
  89. /// <param name="Parameters">动态添加的参数,主要根据条码枪扫描获取</param>
  90. /// <returns></returns>
  91. public object ExecutePrintSQL(string SQL, params string[] Parameters)
  92. {
  93. //按照?拆分数据,然后以:Param替换问号,同时添加参数
  94. string[] Param = SQL.Split('?');
  95. int ParamNum = Param.Length - 1;
  96. //条码打印必然存在需要维护的参数
  97. if (ParamNum > 0)
  98. {
  99. StringBuilder sb = new StringBuilder();
  100. for (int i = 0; i < ParamNum; i++)
  101. {
  102. sb.Append(Param[i] + ":Param" + i);
  103. }
  104. command = new OracleCommand(sb.ToString(), connection);
  105. for (int i = 0; i < ParamNum; i++)
  106. {
  107. command.Parameters.Add("Param" + i, OracleDbType.Varchar2, Parameters[i], ParameterDirection.Input);
  108. }
  109. OracleDataAdapter ad = new OracleDataAdapter(command);
  110. DataTable dt = new DataTable();
  111. ad.Fill(dt);
  112. ad.Dispose();
  113. return dt;
  114. }
  115. return "参数错误,请检查SQL语句";
  116. }
  117. /// <summary>
  118. /// 获取指定表的记录的条数 ,带条件
  119. /// </summary>
  120. /// <returns></returns>
  121. public int getRowCount(string TableName, string Condition)
  122. {
  123. DataTable dt = new DataTable();
  124. string sql = "select count(1) from " + TableName + " where " + Condition;
  125. command = new OracleCommand(sql, connection);
  126. Reconnect(command);
  127. OracleDataAdapter ad = new OracleDataAdapter(command);
  128. ad.Fill(dt);
  129. ad.Dispose();
  130. return int.Parse(dt.Rows[0][0].ToString());
  131. }
  132. /// <summary>
  133. /// 获取指定表的记录的条数 ,不带条件
  134. /// </summary>
  135. /// <param name="TableName"></param>
  136. /// <returns></returns>
  137. public int getRowCount(string TableName)
  138. {
  139. DataTable dt = new DataTable();
  140. string sql = "select count(1) from " + TableName;
  141. command = new OracleCommand(sql, connection);
  142. Reconnect(command);
  143. OracleDataAdapter ad = new OracleDataAdapter(command);
  144. ad.Fill(dt);
  145. ad.Dispose();
  146. return int.Parse(dt.Rows[0][0].ToString());
  147. }
  148. /// <summary>
  149. /// 通过表名和获取单行的记录
  150. /// </summary>
  151. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  152. {
  153. DataTable dt = new DataTable();
  154. string sql = "select ";
  155. sql += AddField(Fields);
  156. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  157. command = new OracleCommand(sql, connection);
  158. Reconnect(command);
  159. OracleDataAdapter ad = new OracleDataAdapter(command);
  160. try
  161. {
  162. ad.Fill(dt);
  163. }
  164. catch (Exception)
  165. {
  166. connection = new OracleConnection(DBConnectionString);
  167. connection.Open();
  168. command = new OracleCommand(sql, connection);
  169. ad = new OracleDataAdapter();
  170. ad.SelectCommand = command;
  171. ad.Fill(dt);
  172. }
  173. ad.Dispose();
  174. return dt;
  175. }
  176. /// <summary>
  177. /// 将DataTable导入到指定的表中
  178. /// </summary>
  179. /// <param name="DataTable"></param>
  180. /// <param name="TableName"></param>
  181. public void InsertDataTable(DataTable DataTable, string TableName)
  182. {
  183. for (int i = 0; i < DataTable.Rows.Count; i++)
  184. {
  185. for (int j = 0; j < DataTable.Columns.Count; j++)
  186. {
  187. }
  188. }
  189. }
  190. /// <summary>
  191. /// 按分页获取数据
  192. /// </summary>
  193. /// <param name="TableName">表名</param>
  194. /// <param name="Fields">查询字段</param>
  195. /// <param name="CurrentPage">当前页面</param>
  196. /// <param name="PageSize">页面展示条数</param>
  197. /// <param name="Caller"></param>
  198. /// <returns></returns>
  199. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  200. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  201. {
  202. DataTable dt = new DataTable();
  203. StringBuilder sql = new StringBuilder();
  204. //先查询出配置出去的列
  205. //获取查询的列
  206. string[] caption = GetCaptionFromField(Fields);
  207. //获取对应列的描述
  208. string[] field = GetField(Fields);
  209. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  210. sql.Append(AddField(caption));
  211. if (condition.Length > 0)
  212. {
  213. if (condition[0] != null && condition[0].Trim() != "")
  214. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  215. else
  216. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  217. }
  218. command = new OracleCommand(sql.ToString(), connection);
  219. Reconnect(command);
  220. OracleDataAdapter ad = new OracleDataAdapter(command);
  221. ad.Fill(dt);
  222. ad.Dispose();
  223. dt.Columns.RemoveAt(0);
  224. foreach (DataColumn dc in dt.Columns)
  225. {
  226. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  227. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  228. }
  229. return dt;
  230. }
  231. /// <summary>
  232. /// 通过表名,字段和条件获取DataTable类型的数据
  233. /// </summary>
  234. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  235. {
  236. DataTable dt = new DataTable();
  237. string sql = "select ";
  238. sql += AddField(Fields);
  239. sql += " from " + TableName + " where " + Condition;
  240. command = new OracleCommand(sql, connection);
  241. Reconnect(command);
  242. OracleDataAdapter ad = new OracleDataAdapter(command);
  243. try
  244. {
  245. ad.Fill(dt);
  246. }
  247. catch (Exception)
  248. {
  249. connection = new OracleConnection(DBConnectionString);
  250. connection.Open();
  251. command = new OracleCommand(sql, connection);
  252. ad = new OracleDataAdapter();
  253. ad.SelectCommand = command;
  254. ad.Fill(dt);
  255. }
  256. ad.Dispose();
  257. return dt;
  258. }
  259. /// <summary>
  260. /// 通过表名,字段获取DataTable类型的数据
  261. /// </summary>
  262. public DataTable getFieldsDatas(string TableName, string Fields)
  263. {
  264. DataTable dt = new DataTable();
  265. string sql = "select ";
  266. sql += Fields;
  267. sql += " from " + TableName;
  268. command = new OracleCommand(sql, connection);
  269. Reconnect(command);
  270. OracleDataAdapter ad = new OracleDataAdapter(command);
  271. ad.SelectCommand = command;
  272. try
  273. {
  274. ad.Fill(dt);
  275. }
  276. catch (Exception)
  277. {
  278. connection = new OracleConnection(DBConnectionString);
  279. connection.Open();
  280. command = new OracleCommand(sql, connection);
  281. ad = new OracleDataAdapter();
  282. ad.SelectCommand = command;
  283. ad.Fill(dt);
  284. }
  285. ad.Dispose();
  286. return dt;
  287. }
  288. /// <summary>
  289. /// 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
  290. /// </summary>
  291. /// <param name="DataTable"></param>
  292. /// <param name="TableName"></param>
  293. /// <param name="Condition"></param>
  294. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  295. {
  296. if (DataTable == null)
  297. {
  298. return;
  299. }
  300. StringBuilder sb = new StringBuilder();
  301. //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
  302. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  303. //将所有的字段拼接起来
  304. for (int i = 0; i < data.Rows.Count; i++)
  305. {
  306. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  307. }
  308. //移除掉所有不属于该表的列
  309. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  310. {
  311. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  312. {
  313. DataTable.Columns.RemoveAt(i);
  314. }
  315. }
  316. sb.Clear();
  317. //计算有多少个是新加的行,根据主键为空来进行判断
  318. int NewRowCount = 0;
  319. for (int i = 0; i < DataTable.Rows.Count; i++)
  320. {
  321. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  322. {
  323. NewRowCount = NewRowCount + 1;
  324. }
  325. }
  326. if (sql.Length > 0)
  327. {
  328. if (NewRowCount > 0)
  329. {
  330. //获取参数的个数
  331. int paramsNum = sql[0].Split(':').Length - 1;
  332. //解析参数的数据
  333. string[] param = GetParamFromSQL(sql[0]);
  334. //新建一个二维数组去
  335. string[][] param_array = new string[paramsNum][];
  336. //实例化每个一维数组
  337. for (int i = 0; i < paramsNum; i++)
  338. {
  339. param_array[i] = new string[NewRowCount];
  340. }
  341. //设置每列参数的索引
  342. int num = 0;
  343. //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
  344. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  345. {
  346. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  347. {
  348. //当为新添加行的时候才去设置参数,设置过后索引+1
  349. for (int j = 0; j < paramsNum; j++)
  350. {
  351. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  352. }
  353. DataTable.Rows.RemoveAt(i);
  354. num++;
  355. }
  356. }
  357. BatchInsertDataTable(sql[0], param, param_array);
  358. }
  359. }
  360. //不是新增行的启用更新的方法
  361. sb.Append("update " + TableName + " set ");
  362. //拼接语句,特殊处理日期
  363. foreach (DataColumn dc in DataTable.Columns)
  364. {
  365. if (!dc.DataType.ToString().Equals("System.DateTime"))
  366. {
  367. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  368. }
  369. else
  370. {
  371. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  372. }
  373. }
  374. sb.Remove(sb.Length - 1, 1);
  375. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  376. command = new OracleCommand(sb.ToString(), connection);
  377. OracleDataAdapter ad = new OracleDataAdapter(command);
  378. // 参数的长度是DataTable的行数决定的
  379. command.ArrayBindCount = DataTable.Rows.Count;
  380. //默认全部是Varchar2类型的
  381. OracleDbType ob = OracleDbType.Varchar2;
  382. for (int i = 0; i < DataTable.Columns.Count; i++)
  383. {
  384. object[] param = new object[DataTable.Rows.Count];
  385. for (int j = 0; j < DataTable.Rows.Count; j++)
  386. {
  387. DateTime dt = DateTime.Now;
  388. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  389. {
  390. param[j] = dt;
  391. ob = OracleDbType.Date;
  392. }
  393. else
  394. {
  395. ob = OracleDbType.Varchar2;
  396. param[j] = DataTable.Rows[j][i];
  397. }
  398. }
  399. //添加批量更新的参数
  400. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  401. }
  402. ad.UpdateCommand = command;
  403. ad.Update(DataTable);
  404. ad.Dispose();
  405. }
  406. /// <summary>
  407. /// 获取DbFind的数据的DataTable的结构
  408. /// </summary>
  409. /// <param name="field"></param>
  410. /// <param name="caller"></param>
  411. /// <returns></returns>
  412. public DataTable GetDbFindDataTable(string field, string caller)
  413. {
  414. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  415. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  416. if (dt.Rows.Count != 0)
  417. {
  418. //通过#号分割字段
  419. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  420. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  421. //获取查询要查询的Table
  422. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  423. //拼接查询的字段
  424. for (int i = 0; i < dbfield.Length; i++)
  425. {
  426. dbfield[i] = dbfield[i].Split(',')[0];
  427. }
  428. //新建一个空的DataTable
  429. DataTable dt1 = new DataTable();
  430. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  431. for (int i = 0; i < cnfield.Length; i++)
  432. {
  433. dt1.Columns.Add(cnfield[i]);
  434. dt1.Columns[i].Caption = dbfield[i];
  435. }
  436. //返回一个带有结构的空的DataTable
  437. //DbFind.BindTable1 = dbtable;
  438. return dt1;
  439. }
  440. else
  441. {
  442. return null;
  443. }
  444. }
  445. /// <summary>
  446. /// 检测内容是否存在
  447. /// </summary>
  448. /// <param name="TableName"></param>
  449. /// <param name="Condition"></param>
  450. /// <returns></returns>
  451. public bool CheckExist(string TableName, string Condition)
  452. {
  453. string sql = "select count(1) from " + TableName + " where " + Condition;
  454. command = new OracleCommand(sql, connection);
  455. LogManager.DoSQLLog(sql.ToString());
  456. Reconnect(command);
  457. OracleDataAdapter ad = new OracleDataAdapter(command);
  458. DataTable dt = new DataTable();
  459. try
  460. {
  461. ad.Fill(dt);
  462. }
  463. catch (Exception)
  464. {
  465. connection = new OracleConnection(DBConnectionString);
  466. connection.Open();
  467. command = new OracleCommand(sql, connection);
  468. ad = new OracleDataAdapter();
  469. ad.SelectCommand = command;
  470. ad.Fill(dt);
  471. }
  472. ad.Dispose();
  473. Console.WriteLine(dt.Rows[0][0].ToString());
  474. Console.WriteLine(int.Parse(dt.Rows[0][0].ToString()) > 0);
  475. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  476. }
  477. /// <summary>
  478. /// 直接执行SQL,同时传入SQL的类型
  479. /// </summary>
  480. /// <param name="SQL"></param>
  481. /// <param name="Type"></param>
  482. /// <returns></returns>
  483. public object ExecuteSql(string SQL, string Type, params object[] names)
  484. {
  485. object result = null;
  486. command = new OracleCommand(SQL, connection);
  487. Reconnect(command);
  488. //用来拼接参数的
  489. if (names.Length > 0)
  490. {
  491. string[] par = SQL.Split(':');
  492. //用来存参数的数组
  493. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  494. for (int i = 0; i < par.Length - 1; i++)
  495. {
  496. //新建一个char类型的数组用来存储每个字节的变量
  497. char[] c = par[i + 1].ToCharArray();
  498. addpar[i] = new StringBuilder();
  499. for (int j = 0; j < c.Length; j++)
  500. {
  501. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  502. {
  503. addpar[i].Append(c[j]);
  504. }
  505. else
  506. {
  507. break;
  508. }
  509. }
  510. }
  511. for (int i = 0; i < addpar.Length; i++)
  512. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  513. }
  514. LogManager.DoSQLLog(SQL.ToString());
  515. Console.WriteLine(SQL);
  516. switch (Type.ToUpper())
  517. {
  518. case "SELECT":
  519. OracleDataAdapter ad = new OracleDataAdapter(command);
  520. result = new DataTable();
  521. try
  522. {
  523. ad.Fill((DataTable)result);
  524. }
  525. catch (Exception)
  526. {
  527. connection = new OracleConnection(DBConnectionString);
  528. connection.Open();
  529. command = new OracleCommand(SQL, connection);
  530. ad = new OracleDataAdapter();
  531. ad.SelectCommand = command;
  532. ad.Fill((DataTable)result);
  533. }
  534. break;
  535. case "DELETE":
  536. try
  537. {
  538. result = command.ExecuteNonQuery();
  539. }
  540. catch (Exception)
  541. {
  542. command.Connection = new OracleConnection(DBConnectionString);
  543. command.Connection.Open();
  544. result = command.ExecuteNonQuery();
  545. }
  546. break;
  547. case "UPDATE":
  548. try
  549. {
  550. result = command.ExecuteNonQuery();
  551. }
  552. catch (Exception)
  553. {
  554. command.Connection = new OracleConnection(DBConnectionString);
  555. command.Connection.Open();
  556. result = command.ExecuteNonQuery();
  557. }
  558. break;
  559. case "INSERT":
  560. try
  561. {
  562. result = command.ExecuteNonQuery();
  563. }
  564. catch (Exception)
  565. {
  566. command.Connection = new OracleConnection(DBConnectionString);
  567. command.Connection.Open();
  568. result = command.ExecuteNonQuery();
  569. }
  570. break;
  571. }
  572. return result;
  573. }
  574. /// <summary>
  575. /// 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
  576. /// </summary>
  577. /// <param name="SQL"></param>
  578. public void CheckSQL(string SQL)
  579. {
  580. SQL = SQL.Replace("?", ":Param");
  581. command = new OracleCommand(SQL, connection);
  582. command.ExecuteNonQuery();
  583. }
  584. public int GetDistinctRowCount(string TableName, string Field)
  585. {
  586. DataTable dt = new DataTable();
  587. string sql = "select distinct count('" + Field + "') from " + TableName;
  588. command = new OracleCommand(sql, connection);
  589. Reconnect(command);
  590. OracleDataAdapter ad = new OracleDataAdapter(command);
  591. try
  592. {
  593. ad.Fill(dt);
  594. }
  595. catch (Exception)
  596. {
  597. connection = new OracleConnection(DBConnectionString);
  598. connection.Open();
  599. command = new OracleCommand(sql, connection);
  600. ad = new OracleDataAdapter();
  601. ad.SelectCommand = command;
  602. ad.Fill(dt);
  603. }
  604. ad.Dispose();
  605. return int.Parse(dt.Rows[0][0].ToString());
  606. }
  607. /// <summary>
  608. /// 根据Caller获取流水号
  609. /// </summary>
  610. /// <param name="Caller"></param>
  611. /// <returns></returns>
  612. public string GetSerialNumberByCaller(string Caller)
  613. {
  614. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  615. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  616. return SerialNumber;
  617. }
  618. /// <summary>
  619. /// 根据主键ID删除表的数据
  620. /// </summary>
  621. /// <param name="TableName">表名</param>
  622. /// <param name="ID">主键</param>
  623. /// <param name="DeleteID">需要删除主键ID的数组</param>
  624. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  625. {
  626. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  627. command = new OracleCommand(sql, connection);
  628. Reconnect(command);
  629. command.ArrayBindCount = DeleteID.Length;
  630. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  631. try
  632. {
  633. command.ExecuteNonQuery();
  634. }
  635. catch (Exception)
  636. {
  637. command.Connection = new OracleConnection(DBConnectionString);
  638. command.Connection.Open();
  639. command.ExecuteNonQuery();
  640. }
  641. }
  642. /// <summary>
  643. /// 通过序列的名称获取序列
  644. /// </summary>
  645. /// <param name="SeqName"></param>
  646. /// <returns></returns>
  647. public string GetSEQ(string SeqName)
  648. {
  649. DataTable dt = new DataTable();
  650. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  651. return dt.Rows[0][0].ToString();
  652. }
  653. /// <summary>
  654. /// 通过序列的名称获取序列
  655. /// </summary>
  656. /// <param name="SeqName"></param>
  657. /// <returns></returns>
  658. public string[] GetSEQ(string SeqName, int Num)
  659. {
  660. DataTable dt = new DataTable();
  661. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".nextval FROM DUAL CONNECT BY LEVEL<=" + Num, "select");
  662. string[] SerialNum = new string[dt.Rows.Count];
  663. for (int i = 0; i < dt.Rows.Count; i++)
  664. {
  665. SerialNum[i] = dt.Rows[i][0].ToString();
  666. }
  667. return SerialNum;
  668. }
  669. public void SaveDataTable(DataTable dt, string TableName, string ID, params string[] sql)
  670. {
  671. if (dt == null)
  672. {
  673. return;
  674. }
  675. StringBuilder sb = new StringBuilder();
  676. //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
  677. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  678. //将所有的字段拼接起来
  679. for (int i = 0; i < data.Rows.Count; i++)
  680. {
  681. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  682. }
  683. //移除掉所有不属于该表的列
  684. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  685. {
  686. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  687. {
  688. dt.Columns.RemoveAt(i);
  689. }
  690. }
  691. sb.Clear();
  692. //计算有多少个是新加的行,根据主键为空来进行判断
  693. int NewRowCount = 0;
  694. for (int i = 0; i < dt.Rows.Count; i++)
  695. {
  696. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  697. {
  698. NewRowCount = NewRowCount + 1;
  699. }
  700. }
  701. if (sql.Length > 0)
  702. {
  703. if (NewRowCount > 0)
  704. {
  705. //获取参数的个数
  706. int paramsNum = sql[0].Split(':').Length - 1;
  707. //解析参数的数据
  708. string[] param = GetParamFromSQL(sql[0]);
  709. //新建一个二维数组去
  710. string[][] param_array = new string[paramsNum][];
  711. //实例化每个一维数组
  712. for (int i = 0; i < paramsNum; i++)
  713. {
  714. param_array[i] = new string[NewRowCount];
  715. }
  716. //设置每列参数的索引
  717. int num = 0;
  718. //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
  719. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  720. {
  721. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  722. {
  723. //当为新添加行的时候才去设置参数,设置过后索引+1
  724. for (int j = 0; j < paramsNum; j++)
  725. {
  726. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  727. }
  728. dt.Rows.RemoveAt(i);
  729. num++;
  730. }
  731. }
  732. BatchInsertDataTable(sql[0], param, param_array);
  733. }
  734. }
  735. sb.Clear();
  736. sb.Append("update " + TableName + " set ");
  737. int ColumnCount = dt.Columns.Count;
  738. int RowCount = dt.Rows.Count;
  739. //存数据的参数
  740. List<string[]> Parameter = new List<string[]>();
  741. //存参数名的参数
  742. string[] ParName = new string[ColumnCount];
  743. for (int i = 0; i < ColumnCount; i++)
  744. {
  745. ParName[i] = dt.Columns[i].ColumnName;
  746. if (i == dt.Columns.Count - 1)
  747. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  748. else
  749. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  750. }
  751. sb.Append(" where " + ID + " =:" + ID);
  752. //先添加参数
  753. Parameter.Add(ParName);
  754. //添加参数的具体内容
  755. for (int i = 0; i < ColumnCount; i++)
  756. {
  757. string[] par = new string[RowCount];
  758. for (int j = 0; j < RowCount; j++)
  759. {
  760. par[j] = dt.Rows[j][i].ToString();
  761. }
  762. Parameter.Add(par);
  763. }
  764. BatchInsert(sb.ToString(), Parameter.ToArray());
  765. }
  766. /// <summary>
  767. /// 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
  768. /// 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
  769. /// </summary>
  770. /// <param name="sql"></param>
  771. /// <param name="names"></param>
  772. public void BatchInsert(string sql, params object[][] names)
  773. {
  774. command = new OracleCommand(sql, connection);
  775. Reconnect(command);
  776. command.ArrayBindCount = names[1].Length;
  777. //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
  778. //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
  779. for (int i = 1; i <= names[0].Length; i++)
  780. {
  781. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  782. }
  783. try
  784. {
  785. command.ExecuteNonQuery();
  786. }
  787. catch (Exception)
  788. {
  789. command.Connection = new OracleConnection(DBConnectionString);
  790. command.Connection.Open();
  791. command.ExecuteNonQuery();
  792. }
  793. }
  794. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  795. {
  796. command = new OracleCommand(sql, connection);
  797. Reconnect(command);
  798. command.ArrayBindCount = param1[0].Length;
  799. //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
  800. //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
  801. for (int i = 0; i < param.Length; i++)
  802. {
  803. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  804. }
  805. try
  806. {
  807. command.ExecuteNonQuery();
  808. }
  809. catch (Exception)
  810. {
  811. command.Connection = new OracleConnection(DBConnectionString);
  812. command.Connection.Open();
  813. command.ExecuteNonQuery();
  814. }
  815. }
  816. /// <summary>
  817. /// 取Configs表中的配置,进行该客户是否执行某个操作
  818. /// </summary>
  819. /// <param name="Code"></param>
  820. /// <param name="Caller"></param>
  821. /// <returns></returns>
  822. public object GetConfig(string Code, string Caller)
  823. {
  824. DataTable dt = new DataTable();
  825. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  826. dt = (DataTable)ExecuteSql(sql, "select");
  827. if (dt.Rows.Count == 0)
  828. {
  829. return "";
  830. }
  831. else
  832. {
  833. return dt.Rows[0]["Data"];
  834. }
  835. }
  836. //将数据类型的列类型转换为DataTable
  837. public DataTable DataTypeColumnToDataTable(DataTable dt)
  838. {
  839. DataTable dt1 = new DataTable();
  840. dt1.Rows.Add();
  841. foreach (DataRow dr in dt.Rows)
  842. {
  843. dt1.Columns.Add(dr[0].ToString());
  844. int index = dt.Rows.IndexOf(dr);
  845. if (dr[1].ToString() == "NUMBER")
  846. {
  847. dt1.Rows[0][index] = 0;
  848. }
  849. if (dr[1].ToString() == "VARCHAR2")
  850. {
  851. dt1.Rows[0][index] = "这是一段文字";
  852. }
  853. if (dr[1].ToString() == "DATE")
  854. {
  855. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  856. }
  857. if (dr[1].ToString() == "FLOAT")
  858. {
  859. dt1.Rows[0][index] = 1.0;
  860. }
  861. if (dr[1].ToString() == "CLOB")
  862. {
  863. dt1.Rows[0][index] = "一段长文字";
  864. }
  865. }
  866. return dt1;
  867. }
  868. /// <summary>
  869. /// 通过条件更新
  870. /// </summary>
  871. /// <param name="TableName"></param>
  872. /// <param name="update"></param>
  873. /// <param name="condition"></param>
  874. public string UpdateByCondition(string TableName, string update, string condition)
  875. {
  876. string sql = "update " + TableName + " set " + update + " where " + condition;
  877. command = new OracleCommand(sql, connection);
  878. LogManager.DoSQLLog(sql.ToString());
  879. Console.WriteLine(sql);
  880. Reconnect(command);
  881. try
  882. {
  883. command.ExecuteNonQuery();
  884. }
  885. catch (Exception)
  886. {
  887. command.Connection = new OracleConnection(DBConnectionString);
  888. command.Connection.Open();
  889. command.ExecuteNonQuery();
  890. }
  891. return sql;
  892. }
  893. /// <summary>
  894. /// 调用存储过程
  895. /// </summary>
  896. /// <param name="ProcedureName"></param>
  897. /// <param name="param"></param>
  898. public void CallProcedure(string ProcedureName, ref string[] param)
  899. {
  900. command = new OracleCommand(ProcedureName);
  901. command.Connection = connection;
  902. Reconnect(command);
  903. command.CommandText = ProcedureName;
  904. command.CommandType = CommandType.StoredProcedure;
  905. for (int i = 0; i < param.Length; i++)
  906. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, 4000, param[i], ParameterDirection.InputOutput));
  907. try
  908. {
  909. command.ExecuteNonQuery();
  910. }
  911. catch (Exception)
  912. {
  913. command.Connection = new OracleConnection(DBConnectionString);
  914. command.Connection.Open();
  915. command.ExecuteNonQuery();
  916. }
  917. for (int i = 0; i < command.Parameters.Count; i++)
  918. param[i] = command.Parameters[i].Value.ToString();
  919. }
  920. public void CallProcedure(string ProcedureName, string[] ParamName, ref string[] param)
  921. {
  922. command = new OracleCommand(ProcedureName);
  923. command.Connection = connection;
  924. Reconnect(command);
  925. command.CommandText = ProcedureName;
  926. command.CommandType = CommandType.StoredProcedure;
  927. for (int i = 0; i < param.Length; i++)
  928. {
  929. command.Parameters.Add(new OracleParameter(ParamName[i], OracleDbType.Varchar2, 200, param[i], ParameterDirection.InputOutput));
  930. //command.Parameters.Add(new OracleParameter(ParamName[i], OracleType.VarChar, 200, ParameterDirection.InputOutput, "", DataRowVersion.Default, true, param[i]));
  931. }
  932. try
  933. {
  934. command.ExecuteNonQuery();
  935. }
  936. catch (Exception)
  937. {
  938. command.Connection = new OracleConnection(ConnectionStrings);
  939. command.Connection.Open();
  940. command.ExecuteNonQuery();
  941. }
  942. for (int i = 0; i < command.Parameters.Count; i++)
  943. param[i] = command.Parameters[i].Value.ToString();
  944. }
  945. /// <summary>
  946. /// 出现异常进行回滚的执行方法
  947. /// </summary>
  948. /// <param name="SQL"></param>
  949. public void ExecuteSQLTran(params string[] SQL)
  950. {
  951. OracleTransaction tx = connection.BeginTransaction();
  952. command = new OracleCommand();
  953. command.Connection = connection;
  954. command.Transaction = tx;
  955. try
  956. {
  957. foreach (string sql in SQL)
  958. {
  959. if (!String.IsNullOrEmpty(sql))
  960. {
  961. Console.WriteLine(sql);
  962. command.CommandText = sql;
  963. try
  964. {
  965. command.ExecuteNonQuery();
  966. }
  967. catch (Exception)
  968. {
  969. command.Connection = new OracleConnection(DBConnectionString);
  970. command.Connection.Open();
  971. command.ExecuteNonQuery();
  972. }
  973. }
  974. }
  975. tx.Commit();
  976. }
  977. catch (Exception E)
  978. {
  979. tx.Rollback();
  980. throw new Exception(E.Message);
  981. }
  982. }
  983. /// <summary>
  984. /// 用于将string 的数组转换成SQL的查询内容
  985. /// </summary>
  986. /// <param name="Fields"></param>
  987. /// <returns></returns>
  988. private string AddField(string[] Fields)
  989. {
  990. string sql = " ";
  991. foreach (string field in Fields)
  992. {
  993. sql += field + ",";
  994. }
  995. return sql.Substring(0, sql.Length - 1);
  996. }
  997. /// <summary>
  998. /// 通过查询的内容获取到字段的描述
  999. /// </summary>
  1000. /// <param name="field"></param>
  1001. /// <returns></returns>
  1002. private static string[] GetCaptionFromField(string field)
  1003. {
  1004. string[] caption = field.Split(',');
  1005. for (int i = 0; i < caption.Length; i++)
  1006. {
  1007. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  1008. }
  1009. return caption;
  1010. }
  1011. /// <summary>
  1012. /// 通过查询的语句获取查询的字段
  1013. /// </summary>
  1014. /// <param name="field"></param>
  1015. /// <returns></returns>
  1016. private static string[] GetField(string field)
  1017. {
  1018. string[] fields = field.Split(',');
  1019. for (int i = 0; i < fields.Length; i++)
  1020. {
  1021. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  1022. }
  1023. return fields;
  1024. }
  1025. public object GetLabelParam(string sql)
  1026. {
  1027. DataTable dt = new DataTable();
  1028. command = new OracleCommand(sql, connection);
  1029. Reconnect(command);
  1030. OracleDataAdapter ad = new OracleDataAdapter();
  1031. ad.SelectCommand = command;
  1032. try
  1033. {
  1034. ad.Fill(dt);
  1035. }
  1036. catch (Exception)
  1037. {
  1038. connection = new OracleConnection(DBConnectionString);
  1039. connection.Open();
  1040. command = new OracleCommand(sql, connection);
  1041. ad = new OracleDataAdapter();
  1042. ad.SelectCommand = command;
  1043. ad.Fill(dt);
  1044. }
  1045. if (dt.Rows.Count > 0)
  1046. {
  1047. ad.Dispose();
  1048. return dt.Rows[0][0];
  1049. }
  1050. else
  1051. {
  1052. return "";
  1053. }
  1054. }
  1055. public static string[] GetParamFromSQL(string SQL)
  1056. {
  1057. string[] par = SQL.Split(':');
  1058. //用来存参数的数组
  1059. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  1060. string[] param = new string[par.Length - 1];
  1061. for (int i = 0; i < par.Length - 1; i++)
  1062. {
  1063. //新建一个char类型的数组用来存储每个字节的变量
  1064. char[] c = par[i + 1].ToCharArray();
  1065. addpar[i] = new StringBuilder();
  1066. for (int j = 0; j < c.Length; j++)
  1067. {
  1068. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1069. {
  1070. addpar[i].Append(c[j]);
  1071. }
  1072. else
  1073. {
  1074. break;
  1075. }
  1076. }
  1077. }
  1078. for (int i = 0; i < par.Length - 1; i++)
  1079. {
  1080. param[i] = addpar[i].ToString();
  1081. }
  1082. return param;
  1083. }
  1084. public void Dispose()
  1085. {
  1086. }
  1087. private void Reconnect(OracleCommand cmd)
  1088. {
  1089. if (cmd.Connection.State == ConnectionState.Closed)
  1090. {
  1091. cmd.Connection.Open();
  1092. LogManager.DoLog("超时重连");
  1093. }
  1094. }
  1095. }
  1096. }