DataHelper.cs 42 KB

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  1. using Oracle.ManagedDataAccess.Client;
  2. using System;
  3. using System.Collections;
  4. using System.Collections.Generic;
  5. using System.Configuration;
  6. using System.Data;
  7. using System.Text;
  8. using UAS_MES.PublicMethod;
  9. namespace UAS_MES.DataOperate
  10. {
  11. class DataHelper
  12. {
  13. //系统默认的的连接字符串
  14. private string ConnectionStrings = Properties.Settings.Default.Properties["MES"].DefaultValue.ToString();
  15. //用户选择的数据库的连接字符串
  16. public static string DBConnectionString;
  17. public static OracleConnection connection = null;
  18. OracleCommand command = null;
  19. /// <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) { OracleConnection.ClearPool(connection); 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. OracleDataAdapter ad = new OracleDataAdapter(command);
  43. ad.Fill(dt);
  44. ad.Dispose();
  45. command.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. Console.WriteLine(sql);
  56. command = new OracleCommand(sql, connection);
  57. OracleDataAdapter ad = new OracleDataAdapter();
  58. ad.SelectCommand = command;
  59. ad.Fill(dt);
  60. ad.Dispose();
  61. command.Dispose();
  62. if (dt.Rows.Count > 0)
  63. {
  64. return dt.Rows[0][0];
  65. }
  66. else
  67. {
  68. return "";
  69. }
  70. }
  71. /// <summary>
  72. /// 执行打印的SQL
  73. /// </summary>
  74. /// <param name="SQL">SQL语句</param>
  75. /// <param name="Parameters">动态添加的参数,主要根据条码枪扫描获取</param>
  76. /// <returns></returns>
  77. public object ExecutePrintSQL(string SQL, params string[] Parameters)
  78. {
  79. //按照?拆分数据,然后以:Param替换问号,同时添加参数
  80. string[] Param = SQL.Split('?');
  81. int ParamNum = Param.Length - 1;
  82. //条码打印必然存在需要维护的参数
  83. if (ParamNum > 0)
  84. {
  85. StringBuilder sb = new StringBuilder();
  86. for (int i = 0; i < ParamNum; i++)
  87. {
  88. sb.Append(Param[i] + ":Param" + i);
  89. }
  90. command = new OracleCommand(sb.ToString(), connection);
  91. for (int i = 0; i < ParamNum; i++)
  92. {
  93. command.Parameters.Add("Param" + i, OracleDbType.Varchar2, Parameters[i], ParameterDirection.Input);
  94. }
  95. OracleDataAdapter ad = new OracleDataAdapter(command);
  96. DataTable dt = new DataTable();
  97. ad.Fill(dt);
  98. ad.Dispose();
  99. command.Dispose();
  100. return dt;
  101. }
  102. return "参数错误,请检查SQL语句";
  103. }
  104. /// <summary>
  105. /// 获取指定表的记录的条数 ,带条件
  106. /// </summary>
  107. /// <returns></returns>
  108. public int getRowCount(string TableName, string Condition)
  109. {
  110. DataTable dt = new DataTable();
  111. string sql = "select count(1) from " + TableName + " where " + Condition;
  112. Console.WriteLine(sql);
  113. command = new OracleCommand(sql, connection);
  114. OracleDataAdapter ad = new OracleDataAdapter(command);
  115. ad.Fill(dt);
  116. ad.Dispose();
  117. command.Dispose();
  118. return int.Parse(dt.Rows[0][0].ToString());
  119. }
  120. /// <summary>
  121. /// 获取指定表的记录的条数 ,不带条件
  122. /// </summary>
  123. /// <param name="TableName"></param>
  124. /// <returns></returns>
  125. public int getRowCount(string TableName)
  126. {
  127. DataTable dt = new DataTable();
  128. string sql = "select count(1) from " + TableName;
  129. command = new OracleCommand(sql, connection);
  130. OracleDataAdapter ad = new OracleDataAdapter(command);
  131. Console.WriteLine(sql);
  132. ad.Fill(dt);
  133. ad.Dispose();
  134. command.Dispose();
  135. return int.Parse(dt.Rows[0][0].ToString());
  136. }
  137. /// <summary>
  138. /// 通过表名和获取单行的记录
  139. /// </summary>
  140. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  141. {
  142. DataTable dt = new DataTable();
  143. string sql = "select ";
  144. sql += AddField(Fields);
  145. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  146. Console.WriteLine(sql);
  147. command = new OracleCommand(sql, connection);
  148. OracleDataAdapter ad = new OracleDataAdapter(command);
  149. ad.Fill(dt);
  150. ad.Dispose();
  151. command.Dispose();
  152. return dt;
  153. }
  154. /// <summary>
  155. /// 将DataTable导入到指定的表中
  156. /// </summary>
  157. /// <param name="DataTable"></param>
  158. /// <param name="TableName"></param>
  159. public void InsertDataTable(DataTable DataTable, string TableName)
  160. {
  161. for (int i = 0; i < DataTable.Rows.Count; i++)
  162. {
  163. for (int j = 0; j < DataTable.Columns.Count; j++)
  164. {
  165. }
  166. }
  167. }
  168. /// <summary>
  169. /// 按分页获取数据
  170. /// </summary>
  171. /// <param name="TableName">表名</param>
  172. /// <param name="Fields">查询字段</param>
  173. /// <param name="CurrentPage">当前页面</param>
  174. /// <param name="PageSize">页面展示条数</param>
  175. /// <param name="Caller"></param>
  176. /// <returns></returns>
  177. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  178. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  179. {
  180. DataTable dt = new DataTable();
  181. StringBuilder sql = new StringBuilder();
  182. //先查询出配置出去的列
  183. //获取查询的列
  184. string[] caption = GetCaptionFromField(Fields);
  185. //获取对应列的描述
  186. string[] field = GetField(Fields);
  187. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  188. sql.Append(AddField(caption));
  189. if (condition.Length > 0)
  190. {
  191. if (condition[0] != null && condition[0].Trim() != "")
  192. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  193. else
  194. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  195. }
  196. Console.WriteLine(sql.ToString());
  197. command = new OracleCommand(sql.ToString(), connection);
  198. OracleDataAdapter ad = new OracleDataAdapter(command);
  199. ad.Fill(dt);
  200. ad.Dispose();
  201. command.Dispose();
  202. dt.Columns.RemoveAt(0);
  203. foreach (DataColumn dc in dt.Columns)
  204. {
  205. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  206. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  207. }
  208. return dt;
  209. }
  210. /// <summary>
  211. /// 通过表名,字段和条件获取DataTable类型的数据
  212. /// </summary>
  213. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  214. {
  215. DataTable dt = new DataTable();
  216. string sql = "select ";
  217. sql += AddField(Fields);
  218. sql += " from " + TableName + " where " + Condition;
  219. Console.WriteLine(sql);
  220. command = new OracleCommand(sql, connection);
  221. OracleDataAdapter ad = new OracleDataAdapter(command);
  222. ad.Fill(dt);
  223. ad.Dispose();
  224. command.Dispose();
  225. return dt;
  226. }
  227. /// <summary>
  228. /// 通过表名,字段获取DataTable类型的数据
  229. /// </summary>
  230. public DataTable getFieldsDatas(string TableName, string Fields)
  231. {
  232. DataTable dt = new DataTable();
  233. string sql = "select ";
  234. sql += Fields;
  235. sql += " from " + TableName;
  236. command = new OracleCommand(sql, connection);
  237. OracleDataAdapter ad = new OracleDataAdapter(command);
  238. ad.SelectCommand = command;
  239. ad.Fill(dt);
  240. foreach (DataColumn dc in dt.Columns)
  241. {
  242. dc.Caption = "测试测试";
  243. }
  244. ad.Dispose();
  245. command.Dispose();
  246. return dt;
  247. }
  248. /// <summary>
  249. /// 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
  250. /// </summary>
  251. /// <param name="DataTable"></param>
  252. /// <param name="TableName"></param>
  253. /// <param name="Condition"></param>
  254. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  255. {
  256. if (DataTable == null)
  257. {
  258. return;
  259. }
  260. StringBuilder sb = new StringBuilder();
  261. //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
  262. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  263. //将所有的字段拼接起来
  264. for (int i = 0; i < data.Rows.Count; i++)
  265. {
  266. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  267. }
  268. //移除掉所有不属于该表的列
  269. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  270. {
  271. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  272. {
  273. DataTable.Columns.RemoveAt(i);
  274. }
  275. }
  276. sb.Clear();
  277. //计算有多少个是新加的行,根据主键为空来进行判断
  278. int NewRowCount = 0;
  279. for (int i = 0; i < DataTable.Rows.Count; i++)
  280. {
  281. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  282. {
  283. NewRowCount = NewRowCount + 1;
  284. }
  285. }
  286. if (sql.Length > 0)
  287. {
  288. if (NewRowCount > 0)
  289. {
  290. //获取参数的个数
  291. int paramsNum = sql[0].Split(':').Length - 1;
  292. //解析参数的数据
  293. string[] param = GetParamFromSQL(sql[0]);
  294. //新建一个二维数组去
  295. string[][] param_array = new string[paramsNum][];
  296. //实例化每个一维数组
  297. for (int i = 0; i < paramsNum; i++)
  298. {
  299. param_array[i] = new string[NewRowCount];
  300. }
  301. //设置每列参数的索引
  302. int num = 0;
  303. //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
  304. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  305. {
  306. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  307. {
  308. //当为新添加行的时候才去设置参数,设置过后索引+1
  309. for (int j = 0; j < paramsNum; j++)
  310. {
  311. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  312. }
  313. DataTable.Rows.RemoveAt(i);
  314. num++;
  315. }
  316. }
  317. BatchInsertDataTable(sql[0], param, param_array);
  318. }
  319. }
  320. //不是新增行的启用更新的方法
  321. sb.Append("update " + TableName + " set ");
  322. //拼接语句,特殊处理日期
  323. foreach (DataColumn dc in DataTable.Columns)
  324. {
  325. if (!dc.DataType.ToString().Equals("System.DateTime"))
  326. {
  327. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  328. }
  329. else
  330. {
  331. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  332. }
  333. }
  334. sb.Remove(sb.Length - 1, 1);
  335. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  336. command = new OracleCommand(sb.ToString(), connection);
  337. OracleDataAdapter ad = new OracleDataAdapter(command);
  338. // 参数的长度是DataTable的行数决定的
  339. command.ArrayBindCount = DataTable.Rows.Count;
  340. //默认全部是Varchar2类型的
  341. OracleDbType ob = OracleDbType.Varchar2;
  342. for (int i = 0; i < DataTable.Columns.Count; i++)
  343. {
  344. object[] param = new object[DataTable.Rows.Count];
  345. for (int j = 0; j < DataTable.Rows.Count; j++)
  346. {
  347. DateTime dt = DateTime.Now;
  348. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  349. {
  350. param[j] = dt;
  351. ob = OracleDbType.Date;
  352. }
  353. else
  354. {
  355. ob = OracleDbType.Varchar2;
  356. param[j] = DataTable.Rows[j][i];
  357. }
  358. }
  359. //添加批量更新的参数
  360. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  361. }
  362. ad.UpdateCommand = command;
  363. ad.Update(DataTable);
  364. ad.Dispose();
  365. command.Dispose();
  366. }
  367. /// <summary>
  368. /// 获取DbFind的数据的DataTable的结构
  369. /// </summary>
  370. /// <param name="field"></param>
  371. /// <param name="caller"></param>
  372. /// <returns></returns>
  373. public DataTable GetDbFindDataTable(string field, string caller)
  374. {
  375. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  376. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  377. if (dt.Rows.Count != 0)
  378. {
  379. //通过#号分割字段
  380. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  381. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  382. //获取查询要查询的Table
  383. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  384. //拼接查询的字段
  385. for (int i = 0; i < dbfield.Length; i++)
  386. {
  387. dbfield[i] = dbfield[i].Split(',')[0];
  388. }
  389. //新建一个空的DataTable
  390. DataTable dt1 = new DataTable();
  391. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  392. for (int i = 0; i < cnfield.Length; i++)
  393. {
  394. dt1.Columns.Add(cnfield[i]);
  395. dt1.Columns[i].Caption = dbfield[i];
  396. }
  397. //返回一个带有结构的空的DataTable
  398. //DbFind.BindTable1 = dbtable;
  399. return dt1;
  400. }
  401. else
  402. {
  403. return null;
  404. }
  405. }
  406. /// <summary>
  407. /// 获取配置列表中的数据,支持DaatList,Form,DetailGrid
  408. /// </summary>
  409. /// <param name="Caller"></param>
  410. /// <param name="Type"></param>
  411. /// <param name="condition"></param>
  412. /// <returns></returns>
  413. public DataTable GetConfigureData(string Caller, string Type, string condition)
  414. {
  415. DataTable dt = new DataTable();
  416. //用于拼接SQL语句
  417. StringBuilder Sql = new StringBuilder();
  418. //用于设置不同Type时设置对应表的字段
  419. string getField = "";
  420. string getCaption = "";
  421. string getTable = "";
  422. switch (Type.ToUpper())
  423. {
  424. case "DATALIST":
  425. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  426. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  427. break;
  428. case "FORM":
  429. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  430. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  431. break;
  432. case "DETAILGRID":
  433. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  434. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  435. break;
  436. }
  437. command = new OracleCommand(Sql.ToString(), connection);
  438. OracleDataAdapter ad = new OracleDataAdapter(command);
  439. ad.Fill(dt);
  440. //清除掉之前的内容重新拼接
  441. Sql.Clear();
  442. Sql.Append("select ");
  443. string[] field = new string[dt.Rows.Count];
  444. string[] caption = new string[dt.Rows.Count];
  445. DataTable dt1 = new DataTable();
  446. //记录描述和字段名称
  447. foreach (DataRow dr in dt.Rows)
  448. {
  449. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  450. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  451. Sql.Append(dr[getField] + ",");
  452. }
  453. //调用substring是为了去除之前拼接多出来的一个逗号
  454. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable] + " where " + condition;
  455. //调用一个新的构造DataTable用来存放返回的数据
  456. dt1 = (DataTable)ExecuteSql(sql, "select");
  457. //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
  458. for (int i = 0; i < field.Length; i++)
  459. {
  460. dt1.Columns[i].ColumnName = field[i];
  461. dt1.Columns[i].Caption = caption[i];
  462. }
  463. //返回的第一条数据是SQL,后面的是实际的列名
  464. ad.Dispose();
  465. command.Dispose();
  466. return dt1;
  467. }
  468. /// <summary>
  469. /// 查询配置的字段,Type是查询DataList,Form还是DetailGrid
  470. /// </summary>
  471. /// <param name="Caller"></param>
  472. /// <param name="Type"></param>
  473. /// <returns></returns>
  474. public DataTable GetConfigureData(string Caller, string Type)
  475. {
  476. DataTable dt = new DataTable();
  477. //用于拼接SQL语句
  478. StringBuilder Sql = new StringBuilder();
  479. //用于设置不同Type时设置对应表的字段
  480. string getField = "";
  481. string getCaption = "";
  482. string getTable = "";
  483. switch (Type.ToUpper())
  484. {
  485. case "DATALIST":
  486. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  487. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  488. break;
  489. case "FORM":
  490. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  491. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  492. break;
  493. case "DETAILGRID":
  494. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  495. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  496. break;
  497. }
  498. command = new OracleCommand(Sql.ToString(), connection);
  499. OracleDataAdapter ad = new OracleDataAdapter(command);
  500. ad.Fill(dt);
  501. //清除掉之前的内容重新拼接
  502. Sql.Clear();
  503. Sql.Append("select ");
  504. //用于记录实际的列名,+1的目的是为了存放SQL
  505. string[] field = new string[dt.Rows.Count];
  506. string[] caption = new string[dt.Rows.Count];
  507. DataTable dt1 = new DataTable();
  508. foreach (DataRow dr in dt.Rows)
  509. {
  510. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  511. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  512. Sql.Append(dr[getField] + ",");
  513. }
  514. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable];
  515. dt1 = (DataTable)ExecuteSql(sql, "select");
  516. //设置DataTable的列名和描述
  517. for (int i = 0; i < field.Length; i++)
  518. {
  519. dt1.Columns[i].ColumnName = field[i];
  520. dt1.Columns[i].Caption = caption[i];
  521. }
  522. ad.Dispose();
  523. command.Dispose();
  524. return dt1;
  525. }
  526. /// <summary>
  527. /// 检测内容是否存在
  528. /// </summary>
  529. /// <param name="TableName"></param>
  530. /// <param name="Condition"></param>
  531. /// <returns></returns>
  532. public bool CheckExist(string TableName, string Condition)
  533. {
  534. string sql = "select count(1) from " + TableName + " where " + Condition;
  535. command = new OracleCommand(sql, connection);
  536. OracleDataAdapter ad = new OracleDataAdapter(command);
  537. DataTable dt = new DataTable();
  538. Console.WriteLine(sql);
  539. ad.Fill(dt);
  540. ad.Dispose();
  541. command.Dispose();
  542. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  543. }
  544. /// <summary>
  545. /// 直接执行SQL,同时传入SQL的类型
  546. /// </summary>
  547. /// <param name="SQL"></param>
  548. /// <param name="Type"></param>
  549. /// <returns></returns>
  550. public object ExecuteSql(string SQL, string Type, params object[] names)
  551. {
  552. object result = null;
  553. command = new OracleCommand(SQL, connection);
  554. //用来拼接参数的
  555. if (names.Length > 0)
  556. {
  557. string[] par = SQL.Split(':');
  558. //用来存参数的数组
  559. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  560. for (int i = 0; i < par.Length - 1; i++)
  561. {
  562. //新建一个char类型的数组用来存储每个字节的变量
  563. char[] c = par[i + 1].ToCharArray();
  564. addpar[i] = new StringBuilder();
  565. for (int j = 0; j < c.Length; j++)
  566. {
  567. if (c[j] != ' ' && c[j] != ',')
  568. {
  569. addpar[i].Append(c[j]);
  570. }
  571. else
  572. {
  573. break;
  574. }
  575. }
  576. }
  577. for (int i = 0; i < addpar.Length; i++)
  578. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  579. }
  580. Console.WriteLine(SQL);
  581. switch (Type.ToUpper())
  582. {
  583. case "SELECT":
  584. result = new DataTable();
  585. OracleDataAdapter ad = new OracleDataAdapter(command);
  586. ad.Fill((DataTable)result);
  587. ad.Dispose();
  588. break;
  589. case "DELETE":
  590. result = command.ExecuteNonQuery();
  591. break;
  592. case "UPDATE":
  593. result = command.ExecuteNonQuery();
  594. break;
  595. case "INSERT":
  596. result = command.ExecuteNonQuery();
  597. break;
  598. }
  599. command.Dispose();
  600. return result;
  601. }
  602. /// <summary>
  603. /// 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
  604. /// </summary>
  605. /// <param name="SQL"></param>
  606. public void CheckSQL(string SQL)
  607. {
  608. SQL = SQL.Replace("?", ":Param");
  609. command = new OracleCommand(SQL, connection);
  610. command.ExecuteNonQuery();
  611. command.Dispose();
  612. }
  613. public int GetDistinctRowCount(string TableName, string Field)
  614. {
  615. DataTable dt = new DataTable();
  616. string sql = "select distinct count('" + Field + "') from " + TableName;
  617. Console.WriteLine(sql);
  618. command = new OracleCommand(sql, connection);
  619. OracleDataAdapter ad = new OracleDataAdapter(command);
  620. ad.Fill(dt);
  621. ad.Dispose();
  622. command.Dispose();
  623. return int.Parse(dt.Rows[0][0].ToString());
  624. }
  625. /// <summary>
  626. /// 根据Caller获取流水号
  627. /// </summary>
  628. /// <param name="Caller"></param>
  629. /// <returns></returns>
  630. public string GetSerialNumberByCaller(string Caller)
  631. {
  632. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  633. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  634. return SerialNumber;
  635. }
  636. /// <summary>
  637. /// 根据主键ID删除表的数据
  638. /// </summary>
  639. /// <param name="TableName">表名</param>
  640. /// <param name="ID">主键</param>
  641. /// <param name="DeleteID">需要删除主键ID的数组</param>
  642. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  643. {
  644. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  645. Console.WriteLine(sql);
  646. command = new OracleCommand(sql, connection);
  647. command.ArrayBindCount = DeleteID.Length;
  648. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  649. command.ExecuteNonQuery();
  650. command.Dispose();
  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)
  658. {
  659. DataTable dt = new DataTable();
  660. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  661. return dt.Rows[0][0].ToString();
  662. }
  663. public void SaveDataTable(DataTable dt, string TableName, string ID, params string[] sql)
  664. {
  665. if (dt == null)
  666. {
  667. return;
  668. }
  669. StringBuilder sb = new StringBuilder();
  670. //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
  671. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  672. //将所有的字段拼接起来
  673. for (int i = 0; i < data.Rows.Count; i++)
  674. {
  675. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  676. }
  677. //移除掉所有不属于该表的列
  678. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  679. {
  680. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  681. {
  682. dt.Columns.RemoveAt(i);
  683. }
  684. }
  685. sb.Clear();
  686. //计算有多少个是新加的行,根据主键为空来进行判断
  687. int NewRowCount = 0;
  688. for (int i = 0; i < dt.Rows.Count; i++)
  689. {
  690. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  691. {
  692. NewRowCount = NewRowCount + 1;
  693. }
  694. }
  695. if (sql.Length > 0)
  696. {
  697. if (NewRowCount > 0)
  698. {
  699. //获取参数的个数
  700. int paramsNum = sql[0].Split(':').Length - 1;
  701. //解析参数的数据
  702. string[] param = GetParamFromSQL(sql[0]);
  703. //新建一个二维数组去
  704. string[][] param_array = new string[paramsNum][];
  705. //实例化每个一维数组
  706. for (int i = 0; i < paramsNum; i++)
  707. {
  708. param_array[i] = new string[NewRowCount];
  709. }
  710. //设置每列参数的索引
  711. int num = 0;
  712. //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
  713. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  714. {
  715. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  716. {
  717. //当为新添加行的时候才去设置参数,设置过后索引+1
  718. for (int j = 0; j < paramsNum; j++)
  719. {
  720. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  721. }
  722. dt.Rows.RemoveAt(i);
  723. num++;
  724. }
  725. }
  726. BatchInsertDataTable(sql[0], param, param_array);
  727. }
  728. }
  729. sb.Clear();
  730. sb.Append("update " + TableName + " set ");
  731. int ColumnCount = dt.Columns.Count;
  732. int RowCount = dt.Rows.Count;
  733. //存数据的参数
  734. List<string[]> Parameter = new List<string[]>();
  735. //存参数名的参数
  736. string[] ParName = new string[ColumnCount];
  737. for (int i = 0; i < ColumnCount; i++)
  738. {
  739. ParName[i] = dt.Columns[i].ColumnName;
  740. if (i == dt.Columns.Count - 1)
  741. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  742. else
  743. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  744. }
  745. sb.Append(" where " + ID + " =:" + ID);
  746. //先添加参数
  747. Parameter.Add(ParName);
  748. //添加参数的具体内容
  749. for (int i = 0; i < ColumnCount; i++)
  750. {
  751. string[] par = new string[RowCount];
  752. for (int j = 0; j < RowCount; j++)
  753. {
  754. par[j] = dt.Rows[j][i].ToString();
  755. }
  756. Parameter.Add(par);
  757. }
  758. BatchInsert(sb.ToString(), Parameter.ToArray());
  759. }
  760. /// <summary>
  761. /// 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
  762. /// 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
  763. /// </summary>
  764. /// <param name="sql"></param>
  765. /// <param name="names"></param>
  766. public void BatchInsert(string sql, params object[][] names)
  767. {
  768. command = new OracleCommand(sql, connection);
  769. command.ArrayBindCount = names[1].Length;
  770. Console.WriteLine(sql);
  771. //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
  772. //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
  773. for (int i = 1; i <= names[0].Length; i++)
  774. {
  775. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  776. }
  777. command.ExecuteNonQuery();
  778. command.Dispose();
  779. }
  780. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  781. {
  782. command = new OracleCommand(sql, connection);
  783. command.ArrayBindCount = param1[0].Length;
  784. //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
  785. //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
  786. for (int i = 0; i < param.Length; i++)
  787. {
  788. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  789. }
  790. command.ExecuteNonQuery();
  791. command.Dispose();
  792. }
  793. /// <summary>
  794. /// 查询DataList配置的字段
  795. /// </summary>
  796. /// <param name="TableName"></param>
  797. /// <param name="Caller"></param>
  798. /// <returns></returns>
  799. public string GetDataList(string TableName, string Caller)
  800. {
  801. DataTable dt = new DataTable();
  802. string SQL = " select listagg(dld_field,',') within group (order by dld_id) from datalistdetail where dld_caller='" + Caller + "'";
  803. command = new OracleCommand(SQL, connection);
  804. OracleDataAdapter ad = new OracleDataAdapter(command);
  805. ad.Fill(dt);
  806. ad.Dispose();
  807. command.Dispose();
  808. return dt.Rows[0][0].ToString();
  809. }
  810. /// <summary>
  811. /// 取Configs表中的配置,进行该客户是否执行某个操作
  812. /// </summary>
  813. /// <param name="Code"></param>
  814. /// <param name="Caller"></param>
  815. /// <returns></returns>
  816. public object GetConfig(string Code, string Caller)
  817. {
  818. DataTable dt = new DataTable();
  819. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  820. dt = (DataTable)ExecuteSql(sql, "select");
  821. if (dt.Rows.Count == 0)
  822. {
  823. return "";
  824. }
  825. else
  826. {
  827. return dt.Rows[0]["Data"];
  828. }
  829. }
  830. //将数据类型的列类型转换为DataTable
  831. public DataTable DataTypeColumnToDataTable(DataTable dt)
  832. {
  833. DataTable dt1 = new DataTable();
  834. dt1.Rows.Add();
  835. foreach (DataRow dr in dt.Rows)
  836. {
  837. dt1.Columns.Add(dr[0].ToString());
  838. int index = dt.Rows.IndexOf(dr);
  839. if (dr[1].ToString() == "NUMBER")
  840. {
  841. dt1.Rows[0][index] = 0;
  842. }
  843. if (dr[1].ToString() == "VARCHAR2")
  844. {
  845. dt1.Rows[0][index] = "这是一段文字";
  846. }
  847. if (dr[1].ToString() == "DATE")
  848. {
  849. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  850. }
  851. if (dr[1].ToString() == "FLOAT")
  852. {
  853. dt1.Rows[0][index] = 1.0;
  854. }
  855. if (dr[1].ToString() == "CLOB")
  856. {
  857. dt1.Rows[0][index] = "一段长文字";
  858. }
  859. }
  860. return dt1;
  861. }
  862. /// <summary>
  863. /// 通过条件更新
  864. /// </summary>
  865. /// <param name="TableName"></param>
  866. /// <param name="update"></param>
  867. /// <param name="condition"></param>
  868. public string UpdateByCondition(string TableName, string update, string condition)
  869. {
  870. string sql = "update " + TableName + " set " + update + " where " + condition;
  871. Console.WriteLine(sql);
  872. command = new OracleCommand(sql, connection);
  873. command.ExecuteNonQuery();
  874. command.Dispose();
  875. return sql;
  876. }
  877. /// <summary>
  878. /// 调用存储过程
  879. /// </summary>
  880. /// <param name="ProcedureName"></param>
  881. /// <param name="param"></param>
  882. public void CallProcedure(string ProcedureName, ref string[] param)
  883. {
  884. command = new OracleCommand();
  885. command.Connection = connection;
  886. command.CommandText = ProcedureName;
  887. command.CommandType = CommandType.StoredProcedure;
  888. for (int i = 0; i < param.Length; i++)
  889. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, 200, param[i], ParameterDirection.InputOutput));
  890. command.ExecuteNonQuery();
  891. for (int i = 0; i < command.Parameters.Count; i++)
  892. param[i] = command.Parameters[i].Value.ToString();
  893. command.Dispose();
  894. }
  895. /// <summary>
  896. /// 出现异常进行回滚的执行方法
  897. /// </summary>
  898. /// <param name="SQL"></param>
  899. public void ExecuteSQLTran(params string[] SQL)
  900. {
  901. OracleTransaction tx = connection.BeginTransaction();
  902. command = new OracleCommand();
  903. command.Connection = connection;
  904. command.Transaction = tx;
  905. try
  906. {
  907. foreach (string sql in SQL)
  908. {
  909. if (!String.IsNullOrEmpty(sql))
  910. {
  911. Console.WriteLine(sql);
  912. command.CommandText = sql;
  913. command.ExecuteNonQuery();
  914. }
  915. }
  916. tx.Commit();
  917. }
  918. catch (System.Data.OracleClient.OracleException E)
  919. {
  920. tx.Rollback();
  921. throw new Exception(E.Message);
  922. }
  923. command.Dispose();
  924. }
  925. /// <summary>
  926. /// 用于将string 的数组转换成SQL的查询内容
  927. /// </summary>
  928. /// <param name="Fields"></param>
  929. /// <returns></returns>
  930. private string AddField(string[] Fields)
  931. {
  932. string sql = " ";
  933. foreach (string field in Fields)
  934. {
  935. sql += field + ",";
  936. }
  937. return sql.Substring(0, sql.Length - 1);
  938. }
  939. /// <summary>
  940. /// 通过查询的内容获取到字段的描述
  941. /// </summary>
  942. /// <param name="field"></param>
  943. /// <returns></returns>
  944. private static string[] GetCaptionFromField(string field)
  945. {
  946. string[] caption = field.Split(',');
  947. for (int i = 0; i < caption.Length; i++)
  948. {
  949. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  950. }
  951. return caption;
  952. }
  953. /// <summary>
  954. /// 通过查询的语句获取查询的字段
  955. /// </summary>
  956. /// <param name="field"></param>
  957. /// <returns></returns>
  958. private static string[] GetField(string field)
  959. {
  960. string[] fields = field.Split(',');
  961. for (int i = 0; i < fields.Length; i++)
  962. {
  963. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  964. }
  965. return fields;
  966. }
  967. public object GetLabelParam(string sql)
  968. {
  969. DataTable dt = new DataTable();
  970. command = new OracleCommand(sql, connection);
  971. OracleDataAdapter ad = new OracleDataAdapter();
  972. ad.SelectCommand = command;
  973. ad.Fill(dt);
  974. if (dt.Rows.Count > 0)
  975. {
  976. ad.Dispose();
  977. command.Dispose();
  978. return dt.Rows[0][0];
  979. }
  980. else
  981. {
  982. command.Dispose();
  983. return "";
  984. }
  985. }
  986. public static string[] GetParamFromSQL(string SQL)
  987. {
  988. string[] par = SQL.Split(':');
  989. //用来存参数的数组
  990. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  991. string[] param = new string[par.Length - 1];
  992. for (int i = 0; i < par.Length - 1; i++)
  993. {
  994. //新建一个char类型的数组用来存储每个字节的变量
  995. char[] c = par[i + 1].ToCharArray();
  996. addpar[i] = new StringBuilder();
  997. for (int j = 0; j < c.Length; j++)
  998. {
  999. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1000. {
  1001. addpar[i].Append(c[j]);
  1002. }
  1003. else
  1004. {
  1005. break;
  1006. }
  1007. }
  1008. }
  1009. for (int i = 0; i < par.Length - 1; i++)
  1010. {
  1011. param[i] = addpar[i].ToString();
  1012. }
  1013. return param;
  1014. }
  1015. }
  1016. }