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