DataAccess.cs 7.3 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text;
  4. using System.Data.Common;
  5. using System.Data;
  6. using System.Xml;
  7. namespace Ant.Data
  8. {
  9. /// <summary>
  10. /// 数据库访问接口
  11. /// </summary>
  12. public interface DataAccess : IDisposable
  13. {
  14. #region Property & method
  15. /// <summary>
  16. /// 数据库连接字符串
  17. /// </summary>
  18. string ConnectionString { get; set; }
  19. /// <summary>
  20. /// 获取数据库类型
  21. /// </summary>
  22. DatabaseType DatabaseType { get; }
  23. /// <summary>
  24. /// 数据库是否关闭//是:已经关闭,否:未关闭;
  25. /// </summary>
  26. bool IsClosed { get; }
  27. /// <summary>
  28. /// 数据库连接是否不可用
  29. /// </summary>
  30. bool IsUnEnable { get; }
  31. /// <summary>
  32. /// 事务
  33. /// </summary>
  34. DbTransaction Trans { get; }
  35. /// <summary>
  36. /// 打开数据库连接
  37. /// </summary>
  38. void Open();
  39. /// <summary>
  40. /// 关闭数据库连接
  41. /// </summary>
  42. void Close();
  43. /// <summary>
  44. /// 开启一个事务
  45. /// </summary>
  46. void BeginTransaction();
  47. /// <summary>
  48. /// 提交一个事务
  49. /// </summary>
  50. void Commit();
  51. /// <summary>
  52. /// 回滚一个事务
  53. /// </summary>
  54. void RollBack();
  55. #endregion
  56. #region ExecuteNonQuery
  57. int ExecuteNonQuery(string commandText);
  58. int ExecuteNonQuery(string commandText, CommandType commandType);
  59. int ExecuteNonQuery(string commandText, QueryParameterCollection Parameters);
  60. int ExecuteNonQuery(string commandText, CommandType commandType, QueryParameterCollection Parameters);
  61. #endregion
  62. #region ExecuteDataReader
  63. DbDataReader ExecuteDataReader(string commandText);
  64. DbDataReader ExecuteDataReader(string commandText, CommandType commandType);
  65. DbDataReader ExecuteDataReader(string commandText, QueryParameterCollection Parameters);
  66. DbDataReader ExecuteDataReader(string commandText, CommandType commandType, QueryParameterCollection Parameters);
  67. DbDataReader ExecuteReader(string cmdText, DbParam[] parameters, CommandType cmdType);
  68. DbDataReader ExecuteReader(string cmdText, DbParam[] parameters, CommandBehavior be, CommandType cmdType);
  69. #endregion
  70. object ExecuteScalar(string commandText, DbParam[] parameters);
  71. object ExecuteScalar(string commandText, DbParam[] parameters, System.Data.CommandType commandType);
  72. int ExecuteNonQuery(string commandText, DbParam[] Parameters);
  73. #region ExecuteDataTable
  74. DataTable ExecuteDataTable(string commandText);
  75. DataTable ExecuteDataTable(string commandText, CommandType commandType);
  76. DataTable ExecuteDataTable(string commandText, QueryParameterCollection Parameters);
  77. DataTable ExecuteDataTable(string commandText, CommandType commandType, QueryParameterCollection Parameters);
  78. DataTable ExecuteDataTable(string commandText, CommandType commandType, QueryParameterCollection Parameters, string tableName);
  79. DataTable ExecuteDataTable(string commandText, int startRecord, int maxRecords);
  80. DataTable ExecuteDataTable(string commandText, CommandType commandType, int startRecord, int maxRecords);
  81. DataTable ExecuteDataTable(string commandText, QueryParameterCollection Parameters, int startRecord, int maxRecords);
  82. DataTable ExecuteDataTable(string commandText, QueryParameterCollection Parameters, string tableName);
  83. DataTable ExecuteDataTable(string commandText, CommandType commandType, QueryParameterCollection Parameters, int startRecord, int maxRecords);
  84. DataTable ExecuteDataTable(string commandText, CommandType commandType, QueryParameterCollection Parameters, string tableName, int startRecord, int maxRecords);
  85. #endregion
  86. #region ExecuteDataSet
  87. DataSet ExecuteDataSet(string commandText);
  88. DataSet ExecuteDataSet(string commandText, CommandType commandType);
  89. DataSet ExecuteDataSet(string commandText, QueryParameterCollection Parameters);
  90. DataSet ExecuteDataSet(string commandText, QueryParameterCollection Parameters, string tableName);
  91. DataSet ExecuteDataSet(string commandText, CommandType commandType, QueryParameterCollection Parameters);
  92. DataSet ExecuteDataSet(string commandText, CommandType commandType, QueryParameterCollection Parameters, string tableName);
  93. DataSet ExecuteDataSet(string commandText, int startRecord, int maxRecords);
  94. DataSet ExecuteDataSet(string commandText, CommandType commandType, int startRecord, int maxRecords);
  95. DataSet ExecuteDataSet(string commandText, QueryParameterCollection Parameters, int startRecord, int maxRecords);
  96. DataSet ExecuteDataSet(string commandText, CommandType commandType, QueryParameterCollection Parameters, int startRecord, int maxRecords);
  97. DataSet ExecuteDataSet(string commandText, CommandType commandType, QueryParameterCollection Parameters, string tableName, int startRecord, int maxRecords);
  98. #endregion
  99. #region ExecuteDataView
  100. /// <summary>
  101. /// 视图
  102. /// </summary>
  103. /// <param name="commandText"></param>
  104. /// <param name="commandType"></param>
  105. /// <param name="Parameters"></param>
  106. /// <param name="tableName"></param>
  107. /// <param name="startRecord"></param>
  108. /// <param name="maxRecords"></param>
  109. /// <returns></returns>
  110. DataView ExecuteDataView(string commandText, CommandType commandType, QueryParameterCollection Parameters, string tableName, int startRecord, int maxRecords);
  111. #endregion
  112. #region ExecuteScalar
  113. /// <summary>
  114. /// 执行查询,并返回查询所返回的结果集中第一行的第一列。忽略额外的列或行。
  115. /// </summary>
  116. /// <param name="commandText">SQL命令文本</param>
  117. /// <returns>查询所返回的结果集中第一行的第一列</returns>
  118. object ExecuteScalar(string commandText);
  119. /// <summary>
  120. /// 执行查询,并返回查询所返回的结果集中第一行的第一列。忽略额外的列或行。
  121. /// </summary>
  122. /// <param name="commandText">SQL命令文本</param>
  123. /// <param name="commandType">命令类型</param>
  124. /// <returns>查询所返回的结果集中第一行的第一列</returns>
  125. object ExecuteScalar(string commandText, CommandType commandType);
  126. /// <summary>
  127. /// 执行查询,并返回查询所返回的结果集中第一行的第一列。忽略额外的列或行。
  128. /// </summary>
  129. /// <param name="commandText">SQL命令文本</param>
  130. /// <param name="parameters">参数集合</param>
  131. /// <returns>查询所返回的结果集中第一行的第一列</returns>
  132. object ExecuteScalar(string commandText, QueryParameterCollection parameters);
  133. /// <summary>
  134. /// 执行查询,并返回查询所返回的结果集中第一行的第一列。忽略额外的列或行。
  135. /// </summary>
  136. /// <param name="commandText"SQL命令文本></param>
  137. /// <param name="commandType">命令类型</param>
  138. /// <param name="parameters">参数集合</param>
  139. /// <returns>查询所返回的结果集中第一行的第一列</returns>
  140. object ExecuteScalar(string commandText, CommandType commandType, QueryParameterCollection parameters);
  141. #endregion
  142. #region 验证SQL语句是否正确
  143. bool ValidateSQL(string sql);
  144. #endregion
  145. }
  146. }