DataHelper.cs 38 KB

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  1. using Oracle.ManagedDataAccess.Client;
  2. using System;
  3. using System.Data;
  4. using System.Text;
  5. using System.Configuration;
  6. namespace MES_Interface
  7. {
  8. /// <summary>
  9. /// 数据库操作类
  10. /// </summary>
  11. class DataHelper
  12. {
  13. //系统默认的的连接字符串
  14. private string ConnectionStrings = ConfigurationManager.ConnectionStrings["MES"].ConnectionString;
  15. //用户选择的数据库的连接字符串
  16. public static OracleConnection connection = null;
  17. OracleCommand command = null;
  18. /// <summary>
  19. /// 执行构造函数的时候打开数据库的链接
  20. /// </summary>
  21. public DataHelper(string Environment)
  22. {
  23. try
  24. {
  25. ftpOperater ftp = new ftpOperater();
  26. if (Environment == "Formal")
  27. {
  28. ConnectionStrings= Encryption.DecryptStr((ftp.GetFileContent("db.config")));
  29. }
  30. else if (Environment == "Test") {
  31. }
  32. connection = new OracleConnection(ConnectionStrings);
  33. connection.Open();
  34. }
  35. catch (Exception e)
  36. {
  37. Console.WriteLine(e.Message);
  38. }
  39. }
  40. /// <summary>
  41. /// 根据表名获取该表字段数据类型
  42. /// </summary>
  43. public DataTable GetColumnDataType(string TableName)
  44. {
  45. DataTable dt = new DataTable();
  46. command = new OracleCommand("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", connection);
  47. OracleDataAdapter ad = new OracleDataAdapter(command);
  48. ad.Fill(dt);
  49. ad.Dispose();
  50. command.Dispose();
  51. return dt;
  52. }
  53. /// <summary>
  54. /// 获取第一行第一列的信息
  55. /// </summary>
  56. public object getFieldDataByCondition(string TableName, string Field, string Condition)
  57. {
  58. DataTable dt = new DataTable();
  59. string sql = "select " + Field + " from " + TableName + " where " + Condition;
  60. Console.WriteLine(sql);
  61. command = new OracleCommand(sql, connection);
  62. OracleDataAdapter ad = new OracleDataAdapter();
  63. ad.SelectCommand = command;
  64. ad.Fill(dt);
  65. ad.Dispose();
  66. command.Dispose();
  67. if (dt.Rows.Count > 0)
  68. {
  69. return dt.Rows[0][0];
  70. }
  71. else
  72. {
  73. return "";
  74. }
  75. }
  76. /// <summary>
  77. /// 执行打印的SQL
  78. /// </summary>
  79. /// <param name="SQL">SQL语句</param>
  80. /// <param name="Parameters">动态添加的参数,主要根据条码枪扫描获取</param>
  81. /// <returns></returns>
  82. public object ExecutePrintSQL(string SQL, params string[] Parameters)
  83. {
  84. //按照?拆分数据,然后以:Param替换问号,同时添加参数
  85. string[] Param = SQL.Split('?');
  86. int ParamNum = Param.Length - 1;
  87. //条码打印必然存在需要维护的参数
  88. if (ParamNum > 0)
  89. {
  90. StringBuilder sb = new StringBuilder();
  91. for (int i = 0; i < ParamNum; i++)
  92. {
  93. sb.Append(Param[i] + ":Param" + i);
  94. }
  95. command = new OracleCommand(sb.ToString(), connection);
  96. for (int i = 0; i < ParamNum; i++)
  97. {
  98. command.Parameters.Add("Param" + i, OracleDbType.Varchar2, Parameters[i], ParameterDirection.Input);
  99. }
  100. OracleDataAdapter ad = new OracleDataAdapter(command);
  101. DataTable dt = new DataTable();
  102. ad.Fill(dt);
  103. ad.Dispose();
  104. command.Dispose();
  105. return dt;
  106. }
  107. return "参数错误,请检查SQL语句";
  108. }
  109. /// <summary>
  110. /// 获取指定表的记录的条数 ,带条件
  111. /// </summary>
  112. /// <returns></returns>
  113. public int getRowCount(string TableName, string Condition)
  114. {
  115. DataTable dt = new DataTable();
  116. string sql = "select count(1) from " + TableName + " where " + Condition;
  117. Console.WriteLine(sql);
  118. command = new OracleCommand(sql, connection);
  119. OracleDataAdapter ad = new OracleDataAdapter(command);
  120. ad.Fill(dt);
  121. ad.Dispose();
  122. command.Dispose();
  123. int count = int.Parse(dt.Rows[0][0].ToString());
  124. return count;
  125. }
  126. /// <summary>
  127. /// 获取指定表的记录的条数 ,不带条件
  128. /// </summary>
  129. /// <param name="TableName"></param>
  130. /// <returns></returns>
  131. public int getRowCount(string TableName)
  132. {
  133. DataTable dt = new DataTable();
  134. string sql = "select count(1) from " + TableName;
  135. command = new OracleCommand(sql, connection);
  136. OracleDataAdapter ad = new OracleDataAdapter(command);
  137. Console.WriteLine(sql);
  138. ad.Fill(dt);
  139. ad.Dispose();
  140. command.Dispose();
  141. int count = int.Parse(dt.Rows[0][0].ToString());
  142. return count;
  143. }
  144. /// <summary>
  145. /// 通过表名和获取单行的记录
  146. /// </summary>
  147. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  148. {
  149. DataTable dt = new DataTable();
  150. string sql = "select ";
  151. sql += AddField(Fields);
  152. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  153. Console.WriteLine(sql);
  154. command = new OracleCommand(sql, connection);
  155. OracleDataAdapter ad = new OracleDataAdapter(command);
  156. ad.Fill(dt);
  157. ad.Dispose();
  158. command.Dispose();
  159. return dt;
  160. }
  161. /// <summary>
  162. /// 将DataTable导入到指定的表中
  163. /// </summary>
  164. /// <param name="DataTable"></param>
  165. /// <param name="TableName"></param>
  166. public void InsertDataTable(DataTable DataTable, string TableName)
  167. {
  168. for (int i = 0; i < DataTable.Rows.Count; i++)
  169. {
  170. for (int j = 0; j < DataTable.Columns.Count; j++)
  171. {
  172. }
  173. }
  174. }
  175. /// <summary>
  176. /// 按分页获取数据
  177. /// </summary>
  178. /// <param name="TableName">表名</param>
  179. /// <param name="Fields">查询字段</param>
  180. /// <param name="CurrentPage">当前页面</param>
  181. /// <param name="PageSize">页面展示条数</param>
  182. /// <param name="Caller"></param>
  183. /// <returns></returns>
  184. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  185. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  186. {
  187. DataTable dt = new DataTable();
  188. StringBuilder sql = new StringBuilder();
  189. //先查询出配置出去的列
  190. //获取查询的列
  191. string[] caption = GetCaptionFromField(Fields);
  192. //获取对应列的描述
  193. string[] field = GetField(Fields);
  194. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  195. sql.Append(AddField(caption));
  196. if (condition.Length > 0)
  197. {
  198. if (condition[0].Trim() != "")
  199. {
  200. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  201. }
  202. else
  203. {
  204. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  205. }
  206. }
  207. Console.WriteLine(sql.ToString());
  208. command = new OracleCommand(sql.ToString(), connection);
  209. OracleDataAdapter ad = new OracleDataAdapter(command);
  210. ad.Fill(dt);
  211. ad.Dispose();
  212. command.Dispose();
  213. dt.Columns.RemoveAt(0);
  214. foreach (DataColumn dc in dt.Columns)
  215. {
  216. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  217. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  218. }
  219. return dt;
  220. }
  221. /// <summary>
  222. /// 通过表名,字段和条件获取DataTable类型的数据
  223. /// </summary>
  224. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  225. {
  226. DataTable dt = new DataTable();
  227. string sql = "select ";
  228. sql += AddField(Fields);
  229. sql += " from " + TableName + " where " + Condition;
  230. Console.WriteLine(sql);
  231. command = new OracleCommand(sql, connection);
  232. OracleDataAdapter ad = new OracleDataAdapter(command);
  233. ad.Fill(dt);
  234. ad.Dispose();
  235. command.Dispose();
  236. return dt;
  237. }
  238. /// <summary>
  239. /// 通过表名,字段获取DataTable类型的数据
  240. /// </summary>
  241. public DataTable getFieldsDatas(string TableName, string Fields)
  242. {
  243. DataTable dt = new DataTable();
  244. string sql = "select ";
  245. sql += Fields;
  246. sql += " from " + TableName;
  247. command = new OracleCommand(sql, connection);
  248. OracleDataAdapter ad = new OracleDataAdapter(command);
  249. ad.SelectCommand = command;
  250. ad.Fill(dt);
  251. foreach (DataColumn dc in dt.Columns)
  252. {
  253. dc.Caption = "测试测试";
  254. }
  255. ad.Dispose();
  256. command.Dispose();
  257. return dt;
  258. }
  259. /// <summary>
  260. /// 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
  261. /// </summary>
  262. /// <param name="DataTable"></param>
  263. /// <param name="TableName"></param>
  264. /// <param name="Condition"></param>
  265. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  266. {
  267. if (DataTable == null)
  268. {
  269. return;
  270. }
  271. StringBuilder sb = new StringBuilder();
  272. //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
  273. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  274. //将所有的字段拼接起来
  275. for (int i = 0; i < data.Rows.Count; i++)
  276. {
  277. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  278. }
  279. //移除掉所有不属于该表的列
  280. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  281. {
  282. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  283. {
  284. DataTable.Columns.RemoveAt(i);
  285. }
  286. }
  287. sb.Clear();
  288. //计算有多少个是新加的行,根据主键为空来进行判断
  289. int NewRowCount = 0;
  290. for (int i = 0; i < DataTable.Rows.Count; i++)
  291. {
  292. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  293. {
  294. NewRowCount = NewRowCount + 1;
  295. }
  296. }
  297. if (sql.Length > 0)
  298. {
  299. if (NewRowCount > 0)
  300. {
  301. //获取参数的个数
  302. int paramsNum = sql[0].Split(':').Length - 1;
  303. //解析参数的数据
  304. string[] param = GetParamFromSQL(sql[0]);
  305. //新建一个二维数组去
  306. string[][] param_array = new string[paramsNum][];
  307. //实例化每个一维数组
  308. for (int i = 0; i < paramsNum; i++)
  309. {
  310. param_array[i] = new string[NewRowCount];
  311. }
  312. //设置每列参数的索引
  313. int num = 0;
  314. //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
  315. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  316. {
  317. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  318. {
  319. //当为新添加行的时候才去设置参数,设置过后索引+1
  320. for (int j = 0; j < paramsNum; j++)
  321. {
  322. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  323. }
  324. DataTable.Rows.RemoveAt(i);
  325. num++;
  326. }
  327. }
  328. BatchInsertDataTable(sql[0], param, param_array);
  329. }
  330. }
  331. //不是新增行的启用更新的方法
  332. sb.Append("update " + TableName + " set ");
  333. //拼接语句,特殊处理日期
  334. foreach (DataColumn dc in DataTable.Columns)
  335. {
  336. if (!dc.DataType.ToString().Equals("System.DateTime"))
  337. {
  338. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  339. }
  340. else
  341. {
  342. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  343. }
  344. }
  345. sb.Remove(sb.Length - 1, 1);
  346. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  347. command = new OracleCommand(sb.ToString(), connection);
  348. OracleDataAdapter ad = new OracleDataAdapter(command);
  349. // 参数的长度是DataTable的行数决定的
  350. command.ArrayBindCount = DataTable.Rows.Count;
  351. //默认全部是Varchar2类型的
  352. OracleDbType ob = OracleDbType.Varchar2;
  353. for (int i = 0; i < DataTable.Columns.Count; i++)
  354. {
  355. object[] param = new object[DataTable.Rows.Count];
  356. for (int j = 0; j < DataTable.Rows.Count; j++)
  357. {
  358. DateTime dt = DateTime.Now;
  359. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  360. {
  361. param[j] = dt;
  362. ob = OracleDbType.Date;
  363. }
  364. else
  365. {
  366. ob = OracleDbType.Varchar2;
  367. param[j] = DataTable.Rows[j][i];
  368. }
  369. }
  370. //添加批量更新的参数
  371. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  372. }
  373. ad.UpdateCommand = command;
  374. ad.Update(DataTable);
  375. ad.Dispose();
  376. command.Dispose();
  377. }
  378. /// <summary>
  379. /// 获取DbFind的数据的DataTable的结构
  380. /// </summary>
  381. /// <param name="field"></param>
  382. /// <param name="caller"></param>
  383. /// <returns></returns>
  384. public DataTable GetDbFindDataTable(string field, string caller)
  385. {
  386. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  387. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  388. if (dt.Rows.Count != 0)
  389. {
  390. //通过#号分割字段
  391. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  392. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  393. //获取查询要查询的Table
  394. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  395. //拼接查询的字段
  396. for (int i = 0; i < dbfield.Length; i++)
  397. {
  398. dbfield[i] = dbfield[i].Split(',')[0];
  399. }
  400. //新建一个空的DataTable
  401. DataTable dt1 = new DataTable();
  402. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  403. for (int i = 0; i < cnfield.Length; i++)
  404. {
  405. dt1.Columns.Add(cnfield[i]);
  406. dt1.Columns[i].Caption = dbfield[i];
  407. }
  408. //返回一个带有结构的空的DataTable
  409. //DbFind.BindTable1 = dbtable;
  410. return dt1;
  411. }
  412. else
  413. {
  414. return null;
  415. }
  416. }
  417. /// <summary>
  418. /// 获取配置列表中的数据,支持DaatList,Form,DetailGrid
  419. /// </summary>
  420. /// <param name="Caller"></param>
  421. /// <param name="Type"></param>
  422. /// <param name="condition"></param>
  423. /// <returns></returns>
  424. public DataTable GetConfigureData(string Caller, string Type, string condition)
  425. {
  426. DataTable dt = new DataTable();
  427. //用于拼接SQL语句
  428. StringBuilder Sql = new StringBuilder();
  429. //用于设置不同Type时设置对应表的字段
  430. string getField = "";
  431. string getCaption = "";
  432. string getTable = "";
  433. switch (Type.ToUpper())
  434. {
  435. case "DATALIST":
  436. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  437. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  438. break;
  439. case "FORM":
  440. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  441. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  442. break;
  443. case "DETAILGRID":
  444. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  445. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  446. break;
  447. }
  448. command = new OracleCommand(Sql.ToString(), connection);
  449. OracleDataAdapter ad = new OracleDataAdapter(command);
  450. ad.Fill(dt);
  451. //清除掉之前的内容重新拼接
  452. Sql.Clear();
  453. Sql.Append("select ");
  454. string[] field = new string[dt.Rows.Count];
  455. string[] caption = new string[dt.Rows.Count];
  456. DataTable dt1 = new DataTable();
  457. //记录描述和字段名称
  458. foreach (DataRow dr in dt.Rows)
  459. {
  460. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  461. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  462. Sql.Append(dr[getField] + ",");
  463. }
  464. //调用substring是为了去除之前拼接多出来的一个逗号
  465. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable] + " where " + condition;
  466. //调用一个新的构造DataTable用来存放返回的数据
  467. dt1 = (DataTable)ExecuteSql(sql, "select");
  468. //给DataTable加上列名和描述,列名是中文字段,描述是数据库实际的字段名称
  469. for (int i = 0; i < field.Length; i++)
  470. {
  471. dt1.Columns[i].ColumnName = field[i];
  472. dt1.Columns[i].Caption = caption[i];
  473. }
  474. //返回的第一条数据是SQL,后面的是实际的列名
  475. ad.Dispose();
  476. command.Dispose();
  477. return dt1;
  478. }
  479. /// <summary>
  480. /// 查询配置的字段,Type是查询DataList,Form还是DetailGrid
  481. /// </summary>
  482. /// <param name="Caller"></param>
  483. /// <param name="Type"></param>
  484. /// <returns></returns>
  485. public DataTable GetConfigureData(string Caller, string Type)
  486. {
  487. DataTable dt = new DataTable();
  488. //用于拼接SQL语句
  489. StringBuilder Sql = new StringBuilder();
  490. //用于设置不同Type时设置对应表的字段
  491. string getField = "";
  492. string getCaption = "";
  493. string getTable = "";
  494. switch (Type.ToUpper())
  495. {
  496. case "DATALIST":
  497. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  498. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  499. break;
  500. case "FORM":
  501. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  502. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  503. break;
  504. case "DETAILGRID":
  505. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  506. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  507. break;
  508. }
  509. command = new OracleCommand(Sql.ToString(), connection);
  510. OracleDataAdapter ad = new OracleDataAdapter(command);
  511. ad.Fill(dt);
  512. //清除掉之前的内容重新拼接
  513. Sql.Clear();
  514. Sql.Append("select ");
  515. //用于记录实际的列名,+1的目的是为了存放SQL
  516. string[] field = new string[dt.Rows.Count];
  517. string[] caption = new string[dt.Rows.Count];
  518. DataTable dt1 = new DataTable();
  519. foreach (DataRow dr in dt.Rows)
  520. {
  521. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  522. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  523. Sql.Append(dr[getField] + ",");
  524. }
  525. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable];
  526. dt1 = (DataTable)ExecuteSql(sql, "select");
  527. //设置DataTable的列名和描述
  528. for (int i = 0; i < field.Length; i++)
  529. {
  530. dt1.Columns[i].ColumnName = field[i];
  531. dt1.Columns[i].Caption = caption[i];
  532. }
  533. ad.Dispose();
  534. command.Dispose();
  535. return dt1;
  536. }
  537. /// <summary>
  538. /// 检测内容是否存在
  539. /// </summary>
  540. /// <param name="TableName"></param>
  541. /// <param name="Condition"></param>
  542. /// <returns></returns>
  543. public bool CheckExist(string TableName, string Condition)
  544. {
  545. string sql = "select count(1) from " + TableName + " where " + Condition;
  546. command = new OracleCommand(sql, connection);
  547. OracleDataAdapter ad = new OracleDataAdapter(command);
  548. DataTable dt = new DataTable();
  549. Console.WriteLine(sql);
  550. ad.Fill(dt);
  551. ad.Dispose();
  552. command.Dispose();
  553. if (int.Parse(dt.Rows[0][0].ToString()) > 0)
  554. {
  555. return true;
  556. }
  557. else
  558. {
  559. return false;
  560. }
  561. }
  562. /// <summary>
  563. /// 直接执行SQL,同时传入SQL的类型
  564. /// </summary>
  565. /// <param name="SQL"></param>
  566. /// <param name="Type"></param>
  567. /// <returns></returns>
  568. public object ExecuteSql(string SQL, string Type, params object[] names)
  569. {
  570. object result = null;
  571. command = new OracleCommand(SQL, connection);
  572. //用来拼接参数的
  573. if (names.Length > 0)
  574. {
  575. string[] par = SQL.Split(':');
  576. //用来存参数的数组
  577. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  578. for (int i = 0; i < par.Length - 1; i++)
  579. {
  580. //新建一个char类型的数组用来存储每个字节的变量
  581. char[] c = par[i + 1].ToCharArray();
  582. addpar[i] = new StringBuilder();
  583. for (int j = 0; j < c.Length; j++)
  584. {
  585. if (c[j] != ' ' && c[j] != ',')
  586. {
  587. addpar[i].Append(c[j]);
  588. }
  589. else
  590. {
  591. break;
  592. }
  593. }
  594. }
  595. for (int i = 0; i < addpar.Length; i++)
  596. {
  597. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  598. }
  599. }
  600. Console.WriteLine(SQL);
  601. switch (Type.ToUpper())
  602. {
  603. case "SELECT":
  604. result = new DataTable();
  605. OracleDataAdapter ad = new OracleDataAdapter(command);
  606. ad.Fill((DataTable)result);
  607. ad.Dispose();
  608. break;
  609. case "DELETE":
  610. result = command.ExecuteNonQuery();
  611. break;
  612. case "UPDATE":
  613. result = command.ExecuteNonQuery();
  614. break;
  615. case "INSERT":
  616. result = command.ExecuteNonQuery();
  617. break;
  618. }
  619. command.Dispose();
  620. return result;
  621. }
  622. /// <summary>
  623. /// 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
  624. /// </summary>
  625. /// <param name="SQL"></param>
  626. public void CheckSQL(string SQL)
  627. {
  628. SQL = SQL.Replace("?", ":Param");
  629. command = new OracleCommand(SQL, connection);
  630. command.ExecuteNonQuery();
  631. command.Dispose();
  632. }
  633. public int GetDistinctRowCount(string TableName, string Field)
  634. {
  635. DataTable dt = new DataTable();
  636. string sql = "select distinct count('" + Field + "') from " + TableName;
  637. Console.WriteLine(sql);
  638. command = new OracleCommand(sql, connection);
  639. OracleDataAdapter ad = new OracleDataAdapter(command);
  640. ad.Fill(dt);
  641. ad.Dispose();
  642. command.Dispose();
  643. return int.Parse(dt.Rows[0][0].ToString());
  644. }
  645. /// <summary>
  646. /// 根据Caller获取流水号
  647. /// </summary>
  648. /// <param name="Caller"></param>
  649. /// <returns></returns>
  650. public string GetSerialNumberByCaller(string Caller)
  651. {
  652. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  653. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  654. return SerialNumber;
  655. }
  656. /// <summary>
  657. /// 根据主键ID删除表的数据
  658. /// </summary>
  659. /// <param name="TableName">表名</param>
  660. /// <param name="ID">主键</param>
  661. /// <param name="DeleteID">需要删除主键ID的数组</param>
  662. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  663. {
  664. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  665. Console.WriteLine(sql);
  666. command = new OracleCommand(sql, connection);
  667. command.ArrayBindCount = DeleteID.Length;
  668. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  669. command.ExecuteNonQuery();
  670. command.Dispose();
  671. }
  672. /// <summary>
  673. /// 通过序列的名称获取序列
  674. /// </summary>
  675. /// <param name="SeqName"></param>
  676. /// <returns></returns>
  677. public string GetSEQ(string SeqName)
  678. {
  679. DataTable dt = new DataTable();
  680. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  681. return dt.Rows[0][0].ToString();
  682. }
  683. /// <summary>
  684. /// 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
  685. /// 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
  686. /// </summary>
  687. /// <param name="sql"></param>
  688. /// <param name="names"></param>
  689. public void BatchInsert(string sql, params object[][] names)
  690. {
  691. command = new OracleCommand(sql, connection);
  692. command.ArrayBindCount = names[1].Length;
  693. Console.WriteLine(sql);
  694. //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
  695. //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
  696. for (int i = 1; i <= names[0].Length; i++)
  697. {
  698. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  699. }
  700. command.ExecuteNonQuery();
  701. command.Dispose();
  702. }
  703. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  704. {
  705. command = new OracleCommand(sql, connection);
  706. command.ArrayBindCount = param1[0].Length;
  707. //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
  708. //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
  709. for (int i = 0; i < param.Length; i++)
  710. {
  711. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  712. }
  713. command.ExecuteNonQuery();
  714. command.Dispose();
  715. }
  716. /// <summary>
  717. /// 查询DataList配置的字段
  718. /// </summary>
  719. /// <param name="TableName"></param>
  720. /// <param name="Caller"></param>
  721. /// <returns></returns>
  722. public string GetDataList(string TableName, string Caller)
  723. {
  724. DataTable dt = new DataTable();
  725. string SQL = " select listagg(dld_field,',') within group (order by dld_id) from datalistdetail where dld_caller='" + Caller + "'";
  726. command = new OracleCommand(SQL, connection);
  727. OracleDataAdapter ad = new OracleDataAdapter(command);
  728. ad.Fill(dt);
  729. ad.Dispose();
  730. command.Dispose();
  731. return dt.Rows[0][0].ToString();
  732. }
  733. /// <summary>
  734. /// 取Configs表中的配置,进行该客户是否执行某个操作
  735. /// </summary>
  736. /// <param name="Code"></param>
  737. /// <param name="Caller"></param>
  738. /// <returns></returns>
  739. public object GetConfig(string Code, string Caller)
  740. {
  741. DataTable dt = new DataTable();
  742. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  743. dt = (DataTable)ExecuteSql(sql, "select");
  744. if (dt.Rows.Count == 0)
  745. {
  746. return "";
  747. }
  748. else
  749. {
  750. return dt.Rows[0]["Data"];
  751. }
  752. }
  753. //将数据类型的列类型转换为DataTable
  754. public DataTable DataTypeColumnToDataTable(DataTable dt)
  755. {
  756. DataTable dt1 = new DataTable();
  757. dt1.Rows.Add();
  758. foreach (DataRow dr in dt.Rows)
  759. {
  760. dt1.Columns.Add(dr[0].ToString());
  761. int index = dt.Rows.IndexOf(dr);
  762. if (dr[1].ToString() == "NUMBER")
  763. {
  764. dt1.Rows[0][index] = 0;
  765. }
  766. if (dr[1].ToString() == "VARCHAR2")
  767. {
  768. dt1.Rows[0][index] = "这是一段文字";
  769. }
  770. if (dr[1].ToString() == "DATE")
  771. {
  772. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  773. }
  774. if (dr[1].ToString() == "FLOAT")
  775. {
  776. dt1.Rows[0][index] = 1.0;
  777. }
  778. if (dr[1].ToString() == "CLOB")
  779. {
  780. dt1.Rows[0][index] = "一段长文字";
  781. }
  782. }
  783. return dt1;
  784. }
  785. /// <summary>
  786. /// 通过条件更新
  787. /// </summary>
  788. /// <param name="TableName"></param>
  789. /// <param name="update"></param>
  790. /// <param name="condition"></param>
  791. public string UpdateByCondition(string TableName, string update, string condition)
  792. {
  793. string sql = "update " + TableName + " set " + update + " where " + condition;
  794. Console.WriteLine(sql);
  795. command = new OracleCommand(sql, connection);
  796. command.ExecuteNonQuery();
  797. command.Dispose();
  798. return sql;
  799. }
  800. /// <summary>
  801. /// 调用存储过程
  802. /// </summary>
  803. /// <param name="ProcedureName"></param>
  804. /// <param name="param"></param>
  805. public void CallProcedure(string ProcedureName, params string[] param)
  806. {
  807. command.CommandText = "Execute " + ProcedureName;
  808. if (param[0].Length > 0)
  809. {
  810. command.ArrayBindCount = param[1].Length;
  811. for (int i = 1; i <= param[0].Length; i++)
  812. {
  813. command.Parameters.Add(new OracleParameter(param[0][i - 1].ToString(), OracleDbType.Varchar2, param[i], ParameterDirection.Input));
  814. }
  815. }
  816. command.ExecuteNonQuery();
  817. command.Dispose();
  818. }
  819. /// <summary>
  820. /// 出现异常进行回滚的执行方法
  821. /// </summary>
  822. /// <param name="SQL"></param>
  823. public void ExecuteSQLTran(params string[] SQL)
  824. {
  825. OracleTransaction tx = connection.BeginTransaction();
  826. command = new OracleCommand();
  827. command.Connection = connection;
  828. command.Transaction = tx;
  829. try
  830. {
  831. foreach (string sql in SQL)
  832. {
  833. if (!String.IsNullOrEmpty(sql))
  834. {
  835. command.CommandText = sql;
  836. command.ExecuteNonQuery();
  837. }
  838. }
  839. tx.Commit();
  840. }
  841. catch (System.Data.OracleClient.OracleException E)
  842. {
  843. tx.Rollback();
  844. throw new Exception(E.Message);
  845. }
  846. command.Dispose();
  847. }
  848. /// <summary>
  849. /// 用于将string 的数组转换成SQL的查询内容
  850. /// </summary>
  851. /// <param name="Fields"></param>
  852. /// <returns></returns>
  853. private string AddField(string[] Fields)
  854. {
  855. string sql = " ";
  856. foreach (string field in Fields)
  857. {
  858. sql += field + ",";
  859. }
  860. return sql.Substring(0, sql.Length - 1);
  861. }
  862. /// <summary>
  863. /// 通过查询的内容获取到字段的描述
  864. /// </summary>
  865. /// <param name="field"></param>
  866. /// <returns></returns>
  867. private static string[] GetCaptionFromField(string field)
  868. {
  869. string[] caption = field.Split(',');
  870. for (int i = 0; i < caption.Length; i++)
  871. {
  872. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  873. }
  874. return caption;
  875. }
  876. /// <summary>
  877. /// 通过查询的语句获取查询的字段
  878. /// </summary>
  879. /// <param name="field"></param>
  880. /// <returns></returns>
  881. private static string[] GetField(string field)
  882. {
  883. string[] fields = field.Split(',');
  884. for (int i = 0; i < fields.Length; i++)
  885. {
  886. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  887. }
  888. return fields;
  889. }
  890. public object GetLabelParam(string sql)
  891. {
  892. DataTable dt = new DataTable();
  893. command = new OracleCommand(sql, connection);
  894. OracleDataAdapter ad = new OracleDataAdapter();
  895. ad.SelectCommand = command;
  896. ad.Fill(dt);
  897. if (dt.Rows.Count > 0)
  898. {
  899. ad.Dispose();
  900. command.Dispose();
  901. return dt.Rows[0][0];
  902. }
  903. else
  904. {
  905. command.Dispose();
  906. return "";
  907. }
  908. }
  909. public static string[] GetParamFromSQL(string SQL)
  910. {
  911. string[] par = SQL.Split(':');
  912. //用来存参数的数组
  913. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  914. string[] param = new string[par.Length - 1];
  915. for (int i = 0; i < par.Length - 1; i++)
  916. {
  917. //新建一个char类型的数组用来存储每个字节的变量
  918. char[] c = par[i + 1].ToCharArray();
  919. addpar[i] = new StringBuilder();
  920. for (int j = 0; j < c.Length; j++)
  921. {
  922. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  923. {
  924. addpar[i].Append(c[j]);
  925. }
  926. else
  927. {
  928. break;
  929. }
  930. }
  931. }
  932. for (int i = 0; i < par.Length - 1; i++)
  933. {
  934. param[i] = addpar[i].ToString();
  935. }
  936. return param;
  937. }
  938. }
  939. }