DataHelper.cs 42 KB

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  1. using Oracle.ManagedDataAccess.Client;
  2. using System;
  3. using System.Collections.Generic;
  4. using System.Configuration;
  5. using System.Data;
  6. using System.Text;
  7. using UAS_MES.PublicMethod;
  8. namespace UAS_MES.DataOperate
  9. {
  10. class DataHelper
  11. {
  12. //系统默认的的连接字符串
  13. private string ConnectionStrings = Properties.Settings.Default.Properties["MES"].DefaultValue.ToString();
  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. /// <summary>
  19. /// 执行构造函数的时候打开数据库的链接
  20. /// </summary>
  21. public DataHelper()
  22. {
  23. try
  24. {
  25. //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
  26. if (DBConnectionString == null || DBConnectionString == ConnectionStrings)
  27. {
  28. connection = new OracleConnection(ConnectionStrings);
  29. }
  30. else
  31. {
  32. connection = new OracleConnection(DBConnectionString);
  33. }
  34. connection.Open();
  35. }
  36. catch (Exception e) { OracleConnection.ClearPool(connection); LogManager.DoLog(e.Message); }
  37. }
  38. /// <summary>
  39. /// 根据表名获取该表字段数据类型
  40. /// </summary>
  41. public DataTable GetColumnDataType(string TableName)
  42. {
  43. DataTable dt = new DataTable();
  44. command = new OracleCommand("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", connection);
  45. OracleDataAdapter ad = new OracleDataAdapter(command);
  46. ad.Fill(dt);
  47. ad.Dispose();
  48. command.Dispose();
  49. return dt;
  50. }
  51. /// <summary>
  52. /// 获取第一行第一列的信息
  53. /// </summary>
  54. public object getFieldDataByCondition(string TableName, string Field, string Condition)
  55. {
  56. DataTable dt = new DataTable();
  57. string sql = "select " + Field + " from " + TableName + " where " + Condition;
  58. Console.WriteLine(sql);
  59. command = new OracleCommand(sql, connection);
  60. OracleDataAdapter ad = new OracleDataAdapter();
  61. ad.SelectCommand = command;
  62. ad.Fill(dt);
  63. ad.Dispose();
  64. command.Dispose();
  65. if (dt.Rows.Count > 0)
  66. {
  67. return dt.Rows[0][0];
  68. }
  69. else
  70. {
  71. return "";
  72. }
  73. }
  74. /// <summary>
  75. /// 执行打印的SQL
  76. /// </summary>
  77. /// <param name="SQL">SQL语句</param>
  78. /// <param name="Parameters">动态添加的参数,主要根据条码枪扫描获取</param>
  79. /// <returns></returns>
  80. public object ExecutePrintSQL(string SQL, params string[] Parameters)
  81. {
  82. //按照?拆分数据,然后以:Param替换问号,同时添加参数
  83. string[] Param = SQL.Split('?');
  84. int ParamNum = Param.Length - 1;
  85. //条码打印必然存在需要维护的参数
  86. if (ParamNum > 0)
  87. {
  88. StringBuilder sb = new StringBuilder();
  89. for (int i = 0; i < ParamNum; i++)
  90. {
  91. sb.Append(Param[i] + ":Param" + i);
  92. }
  93. command = new OracleCommand(sb.ToString(), connection);
  94. for (int i = 0; i < ParamNum; i++)
  95. {
  96. command.Parameters.Add("Param" + i, OracleDbType.Varchar2, Parameters[i], ParameterDirection.Input);
  97. }
  98. OracleDataAdapter ad = new OracleDataAdapter(command);
  99. DataTable dt = new DataTable();
  100. ad.Fill(dt);
  101. ad.Dispose();
  102. command.Dispose();
  103. return dt;
  104. }
  105. return "参数错误,请检查SQL语句";
  106. }
  107. /// <summary>
  108. /// 获取指定表的记录的条数 ,带条件
  109. /// </summary>
  110. /// <returns></returns>
  111. public int getRowCount(string TableName, string Condition)
  112. {
  113. DataTable dt = new DataTable();
  114. string sql = "select count(1) from " + TableName + " where " + Condition;
  115. Console.WriteLine(sql);
  116. command = new OracleCommand(sql, connection);
  117. OracleDataAdapter ad = new OracleDataAdapter(command);
  118. ad.Fill(dt);
  119. ad.Dispose();
  120. command.Dispose();
  121. return int.Parse(dt.Rows[0][0].ToString());
  122. }
  123. /// <summary>
  124. /// 获取指定表的记录的条数 ,不带条件
  125. /// </summary>
  126. /// <param name="TableName"></param>
  127. /// <returns></returns>
  128. public int getRowCount(string TableName)
  129. {
  130. DataTable dt = new DataTable();
  131. string sql = "select count(1) from " + TableName;
  132. command = new OracleCommand(sql, connection);
  133. OracleDataAdapter ad = new OracleDataAdapter(command);
  134. Console.WriteLine(sql);
  135. ad.Fill(dt);
  136. ad.Dispose();
  137. command.Dispose();
  138. return int.Parse(dt.Rows[0][0].ToString());
  139. }
  140. /// <summary>
  141. /// 通过表名和获取单行的记录
  142. /// </summary>
  143. public DataTable getFieldsDataByCondition(string TableName, string[] Fields, string Condition)
  144. {
  145. DataTable dt = new DataTable();
  146. string sql = "select ";
  147. sql += AddField(Fields);
  148. sql += " from " + TableName + " where " + Condition + " and rownum=1";
  149. Console.WriteLine(sql);
  150. command = new OracleCommand(sql, connection);
  151. OracleDataAdapter ad = new OracleDataAdapter(command);
  152. ad.Fill(dt);
  153. ad.Dispose();
  154. command.Dispose();
  155. return dt;
  156. }
  157. /// <summary>
  158. /// 将DataTable导入到指定的表中
  159. /// </summary>
  160. /// <param name="DataTable"></param>
  161. /// <param name="TableName"></param>
  162. public void InsertDataTable(DataTable DataTable, string TableName)
  163. {
  164. for (int i = 0; i < DataTable.Rows.Count; i++)
  165. {
  166. for (int j = 0; j < DataTable.Columns.Count; j++)
  167. {
  168. }
  169. }
  170. }
  171. /// <summary>
  172. /// 按分页获取数据
  173. /// </summary>
  174. /// <param name="TableName">表名</param>
  175. /// <param name="Fields">查询字段</param>
  176. /// <param name="CurrentPage">当前页面</param>
  177. /// <param name="PageSize">页面展示条数</param>
  178. /// <param name="Caller"></param>
  179. /// <returns></returns>
  180. // SELECT * FROM (SELECT A.* FROM (SELECT* FROM datalist) A WHERE ROWNUM <= 50) WHERE ROWNUM >= 21
  181. public DataTable getFieldsDatasByPageing(string TableName, string Fields, int CurrentPage, int PageSize, string Caller, params string[] condition)
  182. {
  183. DataTable dt = new DataTable();
  184. StringBuilder sql = new StringBuilder();
  185. //先查询出配置出去的列
  186. //获取查询的列
  187. string[] caption = GetCaptionFromField(Fields);
  188. //获取对应列的描述
  189. string[] field = GetField(Fields);
  190. sql.Append(" select * from (select RowNum RN, A.* from (select ");
  191. sql.Append(AddField(caption));
  192. if (condition.Length > 0)
  193. {
  194. if (condition[0] != null && condition[0].Trim() != "")
  195. sql.Append(" from " + TableName + " where " + condition[0] + " ) A where ROWNUM <=" + CurrentPage * PageSize + ") where RN>" + (CurrentPage - 1) * PageSize);
  196. else
  197. sql.Append(" from " + TableName + ") A where ROWNUM <= " + CurrentPage * PageSize + ") where RN> " + (CurrentPage - 1) * PageSize);
  198. }
  199. Console.WriteLine(sql.ToString());
  200. command = new OracleCommand(sql.ToString(), connection);
  201. OracleDataAdapter ad = new OracleDataAdapter(command);
  202. ad.Fill(dt);
  203. ad.Dispose();
  204. command.Dispose();
  205. dt.Columns.RemoveAt(0);
  206. foreach (DataColumn dc in dt.Columns)
  207. {
  208. dc.ColumnName = field[dt.Columns.IndexOf(dc)];
  209. dc.Caption = caption[dt.Columns.IndexOf(dc)];
  210. }
  211. return dt;
  212. }
  213. /// <summary>
  214. /// 通过表名,字段和条件获取DataTable类型的数据
  215. /// </summary>
  216. public DataTable getFieldsDatasByCondition(string TableName, string[] Fields, string Condition)
  217. {
  218. DataTable dt = new DataTable();
  219. string sql = "select ";
  220. sql += AddField(Fields);
  221. sql += " from " + TableName + " where " + Condition;
  222. Console.WriteLine(sql);
  223. command = new OracleCommand(sql, connection);
  224. OracleDataAdapter ad = new OracleDataAdapter(command);
  225. ad.Fill(dt);
  226. ad.Dispose();
  227. command.Dispose();
  228. return dt;
  229. }
  230. /// <summary>
  231. /// 通过表名,字段获取DataTable类型的数据
  232. /// </summary>
  233. public DataTable getFieldsDatas(string TableName, string Fields)
  234. {
  235. DataTable dt = new DataTable();
  236. string sql = "select ";
  237. sql += Fields;
  238. sql += " from " + TableName;
  239. command = new OracleCommand(sql, connection);
  240. OracleDataAdapter ad = new OracleDataAdapter(command);
  241. ad.SelectCommand = command;
  242. ad.Fill(dt);
  243. foreach (DataColumn dc in dt.Columns)
  244. {
  245. dc.Caption = "测试测试";
  246. }
  247. ad.Dispose();
  248. command.Dispose();
  249. return dt;
  250. }
  251. /// <summary>
  252. /// 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
  253. /// </summary>
  254. /// <param name="DataTable"></param>
  255. /// <param name="TableName"></param>
  256. /// <param name="Condition"></param>
  257. public void UpDateTableByCondition(DataTable DataTable, string TableName, string PrimaryKey, params string[] sql)
  258. {
  259. if (DataTable == null)
  260. {
  261. return;
  262. }
  263. StringBuilder sb = new StringBuilder();
  264. //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
  265. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  266. //将所有的字段拼接起来
  267. for (int i = 0; i < data.Rows.Count; i++)
  268. {
  269. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  270. }
  271. //移除掉所有不属于该表的列
  272. for (int i = DataTable.Columns.Count - 1; i >= 0; i--)
  273. {
  274. if (!sb.ToString().Contains(DataTable.Columns[i].ColumnName.ToUpper()))
  275. {
  276. DataTable.Columns.RemoveAt(i);
  277. }
  278. }
  279. sb.Clear();
  280. //计算有多少个是新加的行,根据主键为空来进行判断
  281. int NewRowCount = 0;
  282. for (int i = 0; i < DataTable.Rows.Count; i++)
  283. {
  284. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  285. {
  286. NewRowCount = NewRowCount + 1;
  287. }
  288. }
  289. if (sql.Length > 0)
  290. {
  291. if (NewRowCount > 0)
  292. {
  293. //获取参数的个数
  294. int paramsNum = sql[0].Split(':').Length - 1;
  295. //解析参数的数据
  296. string[] param = GetParamFromSQL(sql[0]);
  297. //新建一个二维数组去
  298. string[][] param_array = new string[paramsNum][];
  299. //实例化每个一维数组
  300. for (int i = 0; i < paramsNum; i++)
  301. {
  302. param_array[i] = new string[NewRowCount];
  303. }
  304. //设置每列参数的索引
  305. int num = 0;
  306. //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
  307. for (int i = DataTable.Rows.Count - 1; i >= 0; i--)
  308. {
  309. if (DataTable.Rows[i][PrimaryKey] == null || DataTable.Rows[i][PrimaryKey].ToString() == "")
  310. {
  311. //当为新添加行的时候才去设置参数,设置过后索引+1
  312. for (int j = 0; j < paramsNum; j++)
  313. {
  314. param_array[j][num] = DataTable.Rows[i][param[j]].ToString();
  315. }
  316. DataTable.Rows.RemoveAt(i);
  317. num++;
  318. }
  319. }
  320. BatchInsertDataTable(sql[0], param, param_array);
  321. }
  322. }
  323. //不是新增行的启用更新的方法
  324. sb.Append("update " + TableName + " set ");
  325. //拼接语句,特殊处理日期
  326. foreach (DataColumn dc in DataTable.Columns)
  327. {
  328. if (!dc.DataType.ToString().Equals("System.DateTime"))
  329. {
  330. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  331. }
  332. else
  333. {
  334. sb.Append(dc.Caption + "=:" + dc.Caption + ",");
  335. }
  336. }
  337. sb.Remove(sb.Length - 1, 1);
  338. sb.Append(" where " + PrimaryKey + "=:" + PrimaryKey);
  339. command = new OracleCommand(sb.ToString(), connection);
  340. OracleDataAdapter ad = new OracleDataAdapter(command);
  341. // 参数的长度是DataTable的行数决定的
  342. command.ArrayBindCount = DataTable.Rows.Count;
  343. //默认全部是Varchar2类型的
  344. OracleDbType ob = OracleDbType.Varchar2;
  345. for (int i = 0; i < DataTable.Columns.Count; i++)
  346. {
  347. object[] param = new object[DataTable.Rows.Count];
  348. for (int j = 0; j < DataTable.Rows.Count; j++)
  349. {
  350. DateTime dt = DateTime.Now;
  351. if (DateTime.TryParse(DataTable.Rows[j][i].ToString(), out dt))
  352. {
  353. param[j] = dt;
  354. ob = OracleDbType.Date;
  355. }
  356. else
  357. {
  358. ob = OracleDbType.Varchar2;
  359. param[j] = DataTable.Rows[j][i];
  360. }
  361. }
  362. //添加批量更新的参数
  363. command.Parameters.Add(new OracleParameter(DataTable.Columns[i].Caption, ob, param, ParameterDirection.Input));
  364. }
  365. ad.UpdateCommand = command;
  366. ad.Update(DataTable);
  367. ad.Dispose();
  368. command.Dispose();
  369. }
  370. /// <summary>
  371. /// 获取DbFind的数据的DataTable的结构
  372. /// </summary>
  373. /// <param name="field"></param>
  374. /// <param name="caller"></param>
  375. /// <returns></returns>
  376. public DataTable GetDbFindDataTable(string field, string caller)
  377. {
  378. string sql = "select * from dbfindsetui where ds_caller='" + caller + "' and ds_whichui='" + field + "'";
  379. DataTable dt = (DataTable)ExecuteSql(sql, "select");
  380. if (dt.Rows.Count != 0)
  381. {
  382. //通过#号分割字段
  383. string[] dbfield = dt.Rows[0]["ds_findtoui"].ToString().Split('#');
  384. string[] cnfield = dt.Rows[0]["ds_dbcaption"].ToString().Split('#');
  385. //获取查询要查询的Table
  386. string dbtable = dt.Rows[0]["ds_tables"].ToString();
  387. //拼接查询的字段
  388. for (int i = 0; i < dbfield.Length; i++)
  389. {
  390. dbfield[i] = dbfield[i].Split(',')[0];
  391. }
  392. //新建一个空的DataTable
  393. DataTable dt1 = new DataTable();
  394. //往空的DataTable添加结构,ColumnName是中文,Caption是实际的字段名称
  395. for (int i = 0; i < cnfield.Length; i++)
  396. {
  397. dt1.Columns.Add(cnfield[i]);
  398. dt1.Columns[i].Caption = dbfield[i];
  399. }
  400. //返回一个带有结构的空的DataTable
  401. //DbFind.BindTable1 = dbtable;
  402. return dt1;
  403. }
  404. else
  405. {
  406. return null;
  407. }
  408. }
  409. /// <summary>
  410. /// 获取配置列表中的数据,支持DaatList,Form,DetailGrid
  411. /// </summary>
  412. /// <param name="Caller"></param>
  413. /// <param name="Type"></param>
  414. /// <param name="condition"></param>
  415. /// <returns></returns>
  416. public DataTable GetConfigureData(string Caller, string Type, string condition)
  417. {
  418. DataTable dt = new DataTable();
  419. //用于拼接SQL语句
  420. StringBuilder Sql = new StringBuilder();
  421. //用于设置不同Type时设置对应表的字段
  422. string getField = "";
  423. string getCaption = "";
  424. string getTable = "";
  425. switch (Type.ToUpper())
  426. {
  427. case "DATALIST":
  428. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  429. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  430. break;
  431. case "FORM":
  432. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  433. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  434. break;
  435. case "DETAILGRID":
  436. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  437. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  438. break;
  439. }
  440. command = new OracleCommand(Sql.ToString(), connection);
  441. OracleDataAdapter ad = new OracleDataAdapter(command);
  442. ad.Fill(dt);
  443. //清除掉之前的内容重新拼接
  444. Sql.Clear();
  445. Sql.Append("select ");
  446. string[] field = new string[dt.Rows.Count];
  447. string[] caption = new string[dt.Rows.Count];
  448. DataTable dt1 = new DataTable();
  449. //记录描述和字段名称
  450. foreach (DataRow dr in dt.Rows)
  451. {
  452. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  453. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  454. Sql.Append(dr[getField] + ",");
  455. }
  456. //调用substring是为了去除之前拼接多出来的一个逗号
  457. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable] + " where " + condition;
  458. //调用一个新的构造DataTable用来存放返回的数据
  459. dt1 = (DataTable)ExecuteSql(sql, "select");
  460. //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
  461. for (int i = 0; i < field.Length; i++)
  462. {
  463. dt1.Columns[i].ColumnName = field[i];
  464. dt1.Columns[i].Caption = caption[i];
  465. }
  466. //返回的第一条数据是SQL,后面的是实际的列名
  467. ad.Dispose();
  468. command.Dispose();
  469. return dt1;
  470. }
  471. /// <summary>
  472. /// 查询配置的字段,Type是查询DataList,Form还是DetailGrid
  473. /// </summary>
  474. /// <param name="Caller"></param>
  475. /// <param name="Type"></param>
  476. /// <returns></returns>
  477. public DataTable GetConfigureData(string Caller, string Type)
  478. {
  479. DataTable dt = new DataTable();
  480. //用于拼接SQL语句
  481. StringBuilder Sql = new StringBuilder();
  482. //用于设置不同Type时设置对应表的字段
  483. string getField = "";
  484. string getCaption = "";
  485. string getTable = "";
  486. switch (Type.ToUpper())
  487. {
  488. case "DATALIST":
  489. getField = "dld_field"; getCaption = "dld_caption"; getTable = "dld_table";
  490. Sql.Append("select * from datalistdetail where dld_caller='" + Caller + "'");
  491. break;
  492. case "FORM":
  493. getField = "fd_field"; getCaption = "fd_caption"; getTable = "fd_table";
  494. Sql.Append("select * from formdetail where fd_foid=( select fo_id from form where fo_caller='" + Caller + "')");
  495. break;
  496. case "DETAILGRID":
  497. getField = "dg_field"; getCaption = "dg_caption"; getTable = "dg_table";
  498. Sql.Append("select * from detailgrid where dg_caller='" + Caller + "'");
  499. break;
  500. }
  501. command = new OracleCommand(Sql.ToString(), connection);
  502. OracleDataAdapter ad = new OracleDataAdapter(command);
  503. ad.Fill(dt);
  504. //清除掉之前的内容重新拼接
  505. Sql.Clear();
  506. Sql.Append("select ");
  507. //用于记录实际的列名,+1的目的是为了存放SQL
  508. string[] field = new string[dt.Rows.Count];
  509. string[] caption = new string[dt.Rows.Count];
  510. DataTable dt1 = new DataTable();
  511. foreach (DataRow dr in dt.Rows)
  512. {
  513. field[dt.Rows.IndexOf(dr)] = dr[getCaption].ToString();
  514. caption[dt.Rows.IndexOf(dr)] = dr[getField].ToString();
  515. Sql.Append(dr[getField] + ",");
  516. }
  517. string sql = Sql.Remove(Sql.Length - 1, 1).ToString() + " from " + dt.Rows[0][getTable];
  518. dt1 = (DataTable)ExecuteSql(sql, "select");
  519. //设置DataTable的列名和描述
  520. for (int i = 0; i < field.Length; i++)
  521. {
  522. dt1.Columns[i].ColumnName = field[i];
  523. dt1.Columns[i].Caption = caption[i];
  524. }
  525. ad.Dispose();
  526. command.Dispose();
  527. return dt1;
  528. }
  529. /// <summary>
  530. /// 检测内容是否存在
  531. /// </summary>
  532. /// <param name="TableName"></param>
  533. /// <param name="Condition"></param>
  534. /// <returns></returns>
  535. public bool CheckExist(string TableName, string Condition)
  536. {
  537. string sql = "select count(1) from " + TableName + " where " + Condition;
  538. command = new OracleCommand(sql, connection);
  539. OracleDataAdapter ad = new OracleDataAdapter(command);
  540. DataTable dt = new DataTable();
  541. Console.WriteLine(sql);
  542. ad.Fill(dt);
  543. ad.Dispose();
  544. command.Dispose();
  545. return int.Parse(dt.Rows[0][0].ToString()) > 0;
  546. }
  547. /// <summary>
  548. /// 直接执行SQL,同时传入SQL的类型
  549. /// </summary>
  550. /// <param name="SQL"></param>
  551. /// <param name="Type"></param>
  552. /// <returns></returns>
  553. public object ExecuteSql(string SQL, string Type, params object[] names)
  554. {
  555. object result = null;
  556. command = new OracleCommand(SQL, connection);
  557. //用来拼接参数的
  558. if (names.Length > 0)
  559. {
  560. string[] par = SQL.Split(':');
  561. //用来存参数的数组
  562. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  563. for (int i = 0; i < par.Length - 1; i++)
  564. {
  565. //新建一个char类型的数组用来存储每个字节的变量
  566. char[] c = par[i + 1].ToCharArray();
  567. addpar[i] = new StringBuilder();
  568. for (int j = 0; j < c.Length; j++)
  569. {
  570. if (c[j] != ' ' && c[j] != ',')
  571. {
  572. addpar[i].Append(c[j]);
  573. }
  574. else
  575. {
  576. break;
  577. }
  578. }
  579. }
  580. for (int i = 0; i < addpar.Length; i++)
  581. {
  582. command.Parameters.Add(new OracleParameter(addpar[i].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  583. }
  584. }
  585. Console.WriteLine(SQL);
  586. switch (Type.ToUpper())
  587. {
  588. case "SELECT":
  589. result = new DataTable();
  590. OracleDataAdapter ad = new OracleDataAdapter(command);
  591. ad.Fill((DataTable)result);
  592. ad.Dispose();
  593. break;
  594. case "DELETE":
  595. result = command.ExecuteNonQuery();
  596. break;
  597. case "UPDATE":
  598. result = command.ExecuteNonQuery();
  599. break;
  600. case "INSERT":
  601. result = command.ExecuteNonQuery();
  602. break;
  603. }
  604. command.Dispose();
  605. return result;
  606. }
  607. /// <summary>
  608. /// 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
  609. /// </summary>
  610. /// <param name="SQL"></param>
  611. public void CheckSQL(string SQL)
  612. {
  613. SQL = SQL.Replace("?", ":Param");
  614. command = new OracleCommand(SQL, connection);
  615. command.ExecuteNonQuery();
  616. command.Dispose();
  617. }
  618. public int GetDistinctRowCount(string TableName, string Field)
  619. {
  620. DataTable dt = new DataTable();
  621. string sql = "select distinct count('" + Field + "') from " + TableName;
  622. Console.WriteLine(sql);
  623. command = new OracleCommand(sql, connection);
  624. OracleDataAdapter ad = new OracleDataAdapter(command);
  625. ad.Fill(dt);
  626. ad.Dispose();
  627. command.Dispose();
  628. return int.Parse(dt.Rows[0][0].ToString());
  629. }
  630. /// <summary>
  631. /// 根据Caller获取流水号
  632. /// </summary>
  633. /// <param name="Caller"></param>
  634. /// <returns></returns>
  635. public string GetSerialNumberByCaller(string Caller)
  636. {
  637. string SerialNumber = getFieldDataByCondition("MaxNumbers", "mn_number", "mn_tablename='" + Caller + "'").ToString();
  638. UpdateByCondition("MaxNumbers", "mn_number=mn_number+1", "mn_tablename='" + Caller + "'");
  639. return SerialNumber;
  640. }
  641. /// <summary>
  642. /// 根据主键ID删除表的数据
  643. /// </summary>
  644. /// <param name="TableName">表名</param>
  645. /// <param name="ID">主键</param>
  646. /// <param name="DeleteID">需要删除主键ID的数组</param>
  647. public void DeleteDataByID(string TableName, string ID, string[] DeleteID)
  648. {
  649. string sql = "delete from " + TableName + " where " + ID + " =:DeleteID";
  650. Console.WriteLine(sql);
  651. command = new OracleCommand(sql, connection);
  652. command.ArrayBindCount = DeleteID.Length;
  653. command.Parameters.Add(new OracleParameter("DeleteID", OracleDbType.Long, DeleteID, ParameterDirection.Input));
  654. command.ExecuteNonQuery();
  655. command.Dispose();
  656. }
  657. /// <summary>
  658. /// 通过序列的名称获取序列
  659. /// </summary>
  660. /// <param name="SeqName"></param>
  661. /// <returns></returns>
  662. public string GetSEQ(string SeqName)
  663. {
  664. DataTable dt = new DataTable();
  665. dt = (DataTable)ExecuteSql("SELECT " + SeqName + ".NEXTVAL FROM DUAL", "select");
  666. return dt.Rows[0][0].ToString();
  667. }
  668. public void SaveDataTable(DataTable dt, string TableName, string ID, params string[] sql)
  669. {
  670. if (dt == null)
  671. {
  672. return;
  673. }
  674. StringBuilder sb = new StringBuilder();
  675. //预防插入的DataTable中存在不属于该表的列,在进行下一步操作之前全部剔除
  676. DataTable data = (DataTable)ExecuteSql("select Column_Name,Data_Type from cols where TABLE_name=upper('" + TableName + "')", "select");
  677. //将所有的字段拼接起来
  678. for (int i = 0; i < data.Rows.Count; i++)
  679. {
  680. sb.Append("#" + data.Rows[i]["Column_Name"].ToString());
  681. }
  682. //移除掉所有不属于该表的列
  683. for (int i = dt.Columns.Count - 1; i >= 0; i--)
  684. {
  685. if (!sb.ToString().Contains(dt.Columns[i].ColumnName.ToUpper()))
  686. {
  687. dt.Columns.RemoveAt(i);
  688. }
  689. }
  690. sb.Clear();
  691. //计算有多少个是新加的行,根据主键为空来进行判断
  692. int NewRowCount = 0;
  693. for (int i = 0; i < dt.Rows.Count; i++)
  694. {
  695. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  696. {
  697. NewRowCount = NewRowCount + 1;
  698. }
  699. }
  700. if (sql.Length > 0)
  701. {
  702. if (NewRowCount > 0)
  703. {
  704. //获取参数的个数
  705. int paramsNum = sql[0].Split(':').Length - 1;
  706. //解析参数的数据
  707. string[] param = GetParamFromSQL(sql[0]);
  708. //新建一个二维数组去
  709. string[][] param_array = new string[paramsNum][];
  710. //实例化每个一维数组
  711. for (int i = 0; i < paramsNum; i++)
  712. {
  713. param_array[i] = new string[NewRowCount];
  714. }
  715. //设置每列参数的索引
  716. int num = 0;
  717. //变量所有的行,如果有主键为空的则移除,不为空的进行参数的拼接
  718. for (int i = dt.Rows.Count - 1; i >= 0; i--)
  719. {
  720. if (dt.Rows[i][ID] == null || dt.Rows[i][ID].ToString() == "")
  721. {
  722. //当为新添加行的时候才去设置参数,设置过后索引+1
  723. for (int j = 0; j < paramsNum; j++)
  724. {
  725. param_array[j][num] = dt.Rows[i][param[j]].ToString();
  726. }
  727. dt.Rows.RemoveAt(i);
  728. num++;
  729. }
  730. }
  731. BatchInsertDataTable(sql[0], param, param_array);
  732. }
  733. }
  734. sb.Clear();
  735. sb.Append("update " + TableName + " set ");
  736. int ColumnCount = dt.Columns.Count;
  737. int RowCount = dt.Rows.Count;
  738. //存数据的参数
  739. List<string[]> Parameter = new List<string[]>();
  740. //存参数名的参数
  741. string[] ParName = new string[ColumnCount];
  742. for (int i = 0; i < ColumnCount; i++)
  743. {
  744. ParName[i] = dt.Columns[i].ColumnName;
  745. if (i == dt.Columns.Count - 1)
  746. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName);
  747. else
  748. sb.Append(dt.Columns[i].ColumnName + "=:" + dt.Columns[i].ColumnName + ",");
  749. }
  750. sb.Append(" where " + ID + " =:" + ID);
  751. //先添加参数
  752. Parameter.Add(ParName);
  753. //添加参数的具体内容
  754. for (int i = 0; i < ColumnCount; i++)
  755. {
  756. string[] par = new string[RowCount];
  757. for (int j = 0; j < RowCount; j++)
  758. {
  759. par[j] = dt.Rows[j][i].ToString();
  760. }
  761. Parameter.Add(par);
  762. }
  763. BatchInsert(sb.ToString(), Parameter.ToArray());
  764. }
  765. /// <summary>
  766. /// 批量通过SQL来执行插入操作 ,参数的第一个数一个string[]数组,用来传递需要添加的参数的名称
  767. /// 之后的是名称参数数组对应的 ,所有的插入参数数据长度必须是一致的
  768. /// </summary>
  769. /// <param name="sql"></param>
  770. /// <param name="names"></param>
  771. public void BatchInsert(string sql, params object[][] names)
  772. {
  773. command = new OracleCommand(sql, connection);
  774. command.ArrayBindCount = names[1].Length;
  775. Console.WriteLine(sql);
  776. //因为第一个数组保存的是参数的名称,所以循环从1而不是0开始
  777. //将第一个数组的下标固定为0作为循环添加的参数的名称
  778. for (int i = 1; i <= names[0].Length; i++)
  779. {
  780. command.Parameters.Add(new OracleParameter(names[0][i - 1].ToString(), OracleDbType.Varchar2, names[i], ParameterDirection.Input));
  781. }
  782. command.ExecuteNonQuery();
  783. command.Dispose();
  784. }
  785. public void BatchInsertDataTable(string sql, string[] param, params object[][] param1)
  786. {
  787. command = new OracleCommand(sql, connection);
  788. command.ArrayBindCount = param1[0].Length;
  789. //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
  790. //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
  791. for (int i = 0; i < param.Length; i++)
  792. {
  793. command.Parameters.Add(new OracleParameter(param[i].ToString(), OracleDbType.Varchar2, param1[i], ParameterDirection.Input));
  794. }
  795. command.ExecuteNonQuery();
  796. command.Dispose();
  797. }
  798. /// <summary>
  799. /// 查询DataList配置的字段
  800. /// </summary>
  801. /// <param name="TableName"></param>
  802. /// <param name="Caller"></param>
  803. /// <returns></returns>
  804. public string GetDataList(string TableName, string Caller)
  805. {
  806. DataTable dt = new DataTable();
  807. string SQL = " select listagg(dld_field,',') within group (order by dld_id) from datalistdetail where dld_caller='" + Caller + "'";
  808. command = new OracleCommand(SQL, connection);
  809. OracleDataAdapter ad = new OracleDataAdapter(command);
  810. ad.Fill(dt);
  811. ad.Dispose();
  812. command.Dispose();
  813. return dt.Rows[0][0].ToString();
  814. }
  815. /// <summary>
  816. /// 取Configs表中的配置,进行该客户是否执行某个操作
  817. /// </summary>
  818. /// <param name="Code"></param>
  819. /// <param name="Caller"></param>
  820. /// <returns></returns>
  821. public object GetConfig(string Code, string Caller)
  822. {
  823. DataTable dt = new DataTable();
  824. string sql = "select Data from configs where code='" + Code + "' and caller='" + Caller + "'";
  825. dt = (DataTable)ExecuteSql(sql, "select");
  826. if (dt.Rows.Count == 0)
  827. {
  828. return "";
  829. }
  830. else
  831. {
  832. return dt.Rows[0]["Data"];
  833. }
  834. }
  835. //将数据类型的列类型转换为DataTable
  836. public DataTable DataTypeColumnToDataTable(DataTable dt)
  837. {
  838. DataTable dt1 = new DataTable();
  839. dt1.Rows.Add();
  840. foreach (DataRow dr in dt.Rows)
  841. {
  842. dt1.Columns.Add(dr[0].ToString());
  843. int index = dt.Rows.IndexOf(dr);
  844. if (dr[1].ToString() == "NUMBER")
  845. {
  846. dt1.Rows[0][index] = 0;
  847. }
  848. if (dr[1].ToString() == "VARCHAR2")
  849. {
  850. dt1.Rows[0][index] = "这是一段文字";
  851. }
  852. if (dr[1].ToString() == "DATE")
  853. {
  854. dt1.Rows[0][index] = DateTime.Now.ToString("yyyy-MM-dd");
  855. }
  856. if (dr[1].ToString() == "FLOAT")
  857. {
  858. dt1.Rows[0][index] = 1.0;
  859. }
  860. if (dr[1].ToString() == "CLOB")
  861. {
  862. dt1.Rows[0][index] = "一段长文字";
  863. }
  864. }
  865. return dt1;
  866. }
  867. /// <summary>
  868. /// 通过条件更新
  869. /// </summary>
  870. /// <param name="TableName"></param>
  871. /// <param name="update"></param>
  872. /// <param name="condition"></param>
  873. public string UpdateByCondition(string TableName, string update, string condition)
  874. {
  875. string sql = "update " + TableName + " set " + update + " where " + condition;
  876. Console.WriteLine(sql);
  877. command = new OracleCommand(sql, connection);
  878. command.ExecuteNonQuery();
  879. command.Dispose();
  880. return sql;
  881. }
  882. /// <summary>
  883. /// 调用存储过程
  884. /// </summary>
  885. /// <param name="ProcedureName"></param>
  886. /// <param name="param"></param>
  887. public void CallProcedure(string ProcedureName, ref string[] param)
  888. {
  889. command = new OracleCommand();
  890. command.Connection = connection;
  891. command.CommandText = ProcedureName;
  892. command.CommandType = CommandType.StoredProcedure;
  893. for (int i = 0; i < param.Length; i++)
  894. command.Parameters.Add(new OracleParameter(param[i], OracleDbType.Varchar2, 20, param[i], ParameterDirection.InputOutput));
  895. command.ExecuteNonQuery();
  896. for (int i = 0; i < command.Parameters.Count; i++)
  897. param[i] = command.Parameters[i].Value.ToString();
  898. command.Dispose();
  899. }
  900. /// <summary>
  901. /// 出现异常进行回滚的执行方法
  902. /// </summary>
  903. /// <param name="SQL"></param>
  904. public void ExecuteSQLTran(params string[] SQL)
  905. {
  906. OracleTransaction tx = connection.BeginTransaction();
  907. command = new OracleCommand();
  908. command.Connection = connection;
  909. command.Transaction = tx;
  910. try
  911. {
  912. foreach (string sql in SQL)
  913. {
  914. if (!String.IsNullOrEmpty(sql))
  915. {
  916. Console.WriteLine(sql);
  917. command.CommandText = sql;
  918. command.ExecuteNonQuery();
  919. }
  920. }
  921. tx.Commit();
  922. }
  923. catch (System.Data.OracleClient.OracleException E)
  924. {
  925. tx.Rollback();
  926. throw new Exception(E.Message);
  927. }
  928. command.Dispose();
  929. }
  930. /// <summary>
  931. /// 用于将string 的数组转换成SQL的查询内容
  932. /// </summary>
  933. /// <param name="Fields"></param>
  934. /// <returns></returns>
  935. private string AddField(string[] Fields)
  936. {
  937. string sql = " ";
  938. foreach (string field in Fields)
  939. {
  940. sql += field + ",";
  941. }
  942. return sql.Substring(0, sql.Length - 1);
  943. }
  944. /// <summary>
  945. /// 通过查询的内容获取到字段的描述
  946. /// </summary>
  947. /// <param name="field"></param>
  948. /// <returns></returns>
  949. private static string[] GetCaptionFromField(string field)
  950. {
  951. string[] caption = field.Split(',');
  952. for (int i = 0; i < caption.Length; i++)
  953. {
  954. caption[i] = caption[i].Substring(0, caption[i].LastIndexOf("as")).Trim();
  955. }
  956. return caption;
  957. }
  958. /// <summary>
  959. /// 通过查询的语句获取查询的字段
  960. /// </summary>
  961. /// <param name="field"></param>
  962. /// <returns></returns>
  963. private static string[] GetField(string field)
  964. {
  965. string[] fields = field.Split(',');
  966. for (int i = 0; i < fields.Length; i++)
  967. {
  968. fields[i] = fields[i].Substring(fields[i].LastIndexOf("as") + 2, fields[i].Length - fields[i].LastIndexOf("as") - 2).Trim();
  969. }
  970. return fields;
  971. }
  972. public object GetLabelParam(string sql)
  973. {
  974. DataTable dt = new DataTable();
  975. command = new OracleCommand(sql, connection);
  976. OracleDataAdapter ad = new OracleDataAdapter();
  977. ad.SelectCommand = command;
  978. ad.Fill(dt);
  979. if (dt.Rows.Count > 0)
  980. {
  981. ad.Dispose();
  982. command.Dispose();
  983. return dt.Rows[0][0];
  984. }
  985. else
  986. {
  987. command.Dispose();
  988. return "";
  989. }
  990. }
  991. public static string[] GetParamFromSQL(string SQL)
  992. {
  993. string[] par = SQL.Split(':');
  994. //用来存参数的数组
  995. StringBuilder[] addpar = new StringBuilder[par.Length - 1];
  996. string[] param = new string[par.Length - 1];
  997. for (int i = 0; i < par.Length - 1; i++)
  998. {
  999. //新建一个char类型的数组用来存储每个字节的变量
  1000. char[] c = par[i + 1].ToCharArray();
  1001. addpar[i] = new StringBuilder();
  1002. for (int j = 0; j < c.Length; j++)
  1003. {
  1004. if (c[j] != ' ' && c[j] != ',' && c[j] != ')')
  1005. {
  1006. addpar[i].Append(c[j]);
  1007. }
  1008. else
  1009. {
  1010. break;
  1011. }
  1012. }
  1013. }
  1014. for (int i = 0; i < par.Length - 1; i++)
  1015. {
  1016. param[i] = addpar[i].ToString();
  1017. }
  1018. return param;
  1019. }
  1020. }
  1021. }