使用SqlSugar封装的数据层基类
首先简单封装了个DbContext
![技术分享图片](/img/jia.gif)
1 public class DbContext 2 { 3 #region 属性字段 4 private static string _connectionString; 5 6 /// <summary> 7 /// 连接字符串 by beck.huang 2018-05-08 09:56:05 8 /// </summary> 9 public static string ConnectionString 10 { 11 get { return _connectionString; } 12 set { _connectionString = value; } 13 } 14 15 private static DbType _dbType; 16 17 /// <summary> 18 /// 数据库类型 by beck.huang 2018-05-08 09:58:03 19 /// </summary> 20 public static DbType DbType 21 { 22 get { return _dbType; } 23 set { _dbType = value; } 24 } 25 26 27 private SqlSugarClient _db; 28 29 /// <summary> 30 /// 数据连接对象 by beck.huang 2018-05-08 10:00:14 31 /// </summary> 32 public SqlSugarClient Db 33 { 34 get { return _db; } 35 private set { _db = value; } 36 } 37 38 /// <summary> 39 /// 数据库上下文实例(自动关闭连接) by beck.huang 2018-05-08 09:47:30 40 /// </summary> 41 public static DbContext Context 42 { 43 get 44 { 45 return new DbContext(); 46 } 47 48 } 49 #endregion 50 51 #region 构造函数 52 53 /// <summary> 54 /// 功能描述:构造函数 55 /// 作 者:beck.huang 56 /// 创建日期:2018-05-08 09:47:24 57 /// 任务编号:中餐 58 /// </summary> 59 private DbContext() 60 { 61 if (string.IsNullOrEmpty(_connectionString)) 62 throw new ArgumentNullException("数据库连接字符串为空"); 63 _db = new SqlSugarClient(new ConnectionConfig() 64 { 65 ConnectionString = _connectionString, 66 DbType = _dbType, 67 IsAutoCloseConnection = true, 68 IsShardSameThread = true, 69 ConfigureExternalServices = new ConfigureExternalServices() 70 { 71 DataInfoCacheService = new HttpRuntimeCache() 72 }, 73 MoreSettings = new ConnMoreSettings() 74 { 75 //IsWithNoLockQuery = true, 76 IsAutoRemoveDataCache = true 77 } 78 }); 79 } 80 81 /// <summary> 82 /// 功能描述:构造函数 83 /// 作 者:beck.huang 84 /// 创建日期:2018-05-28 17:23:19 85 /// 任务编号:中餐 86 /// </summary> 87 /// <param name="blnIsAutoCloseConnection">是否自动关闭连接</param> 88 private DbContext(bool blnIsAutoCloseConnection) 89 { 90 if (string.IsNullOrEmpty(_connectionString)) 91 throw new ArgumentNullException("数据库连接字符串为空"); 92 _db = new SqlSugarClient(new ConnectionConfig() 93 { 94 ConnectionString = _connectionString, 95 DbType = _dbType, 96 IsAutoCloseConnection = blnIsAutoCloseConnection, 97 IsShardSameThread = true, 98 ConfigureExternalServices = new ConfigureExternalServices() 99 { 100 DataInfoCacheService = new HttpRuntimeCache() 101 }, 102 MoreSettings = new ConnMoreSettings() 103 { 104 //IsWithNoLockQuery = true, 105 IsAutoRemoveDataCache = true 106 } 107 }); 108 } 109 #endregion 110 111 #region 实例方法 112 /// <summary> 113 /// 功能描述:获取数据库处理对象 114 /// 作 者:beck.huang 115 /// 创建日期:2018-05-08 09:46:06 116 /// 任务编号:中餐 117 /// </summary> 118 /// <returns>返回值</returns> 119 public SimpleClient<T> GetEntityDB<T>() where T : class,new() 120 { 121 return new SimpleClient<T>(_db); 122 } 123 /// <summary> 124 /// 功能描述:获取数据库处理对象 125 /// 作 者:beck.huang 126 /// 创建日期:2018-05-09 09:17:43 127 /// 任务编号:中餐 128 /// </summary> 129 /// <param name="db">db</param> 130 /// <returns>返回值</returns> 131 public SimpleClient<T> GetEntityDB<T>(SqlSugarClient db) where T : class,new() 132 { 133 return new SimpleClient<T>(db); 134 } 135 136 #region 根据数据库表生产实体类 137 /// <summary> 138 /// 功能描述:根据数据库表生产实体类 139 /// 作 者:beck.huang 140 /// 创建日期:2018-05-08 10:14:37 141 /// 任务编号:中餐 142 /// </summary> 143 /// <param name="strPath">实体类存放路径</param> 144 public void CreateClassFileByDBTalbe(string strPath) 145 { 146 CreateClassFileByDBTalbe(strPath, "Km.PosZC"); 147 } 148 /// <summary> 149 /// 功能描述:根据数据库表生产实体类 150 /// 作 者:beck.huang 151 /// 创建日期:2018-05-08 10:10:59 152 /// 任务编号:中餐 153 /// </summary> 154 /// <param name="strPath">实体类存放路径</param> 155 /// <param name="strNameSpace">命名空间</param> 156 public void CreateClassFileByDBTalbe(string strPath, string strNameSpace) 157 { 158 CreateClassFileByDBTalbe(strPath, strNameSpace, null); 159 } 160 161 /// <summary> 162 /// 功能描述:根据数据库表生产实体类 163 /// 作 者:beck.huang 164 /// 创建日期:2018-05-08 10:18:18 165 /// 任务编号:中餐 166 /// </summary> 167 /// <param name="strPath">实体类存放路径</param> 168 /// <param name="strNameSpace">命名空间</param> 169 /// <param name="lstTableNames">生产指定的表</param> 170 public void CreateClassFileByDBTalbe( 171 string strPath, 172 string strNameSpace, 173 string[] lstTableNames) 174 { 175 CreateClassFileByDBTalbe(strPath, strNameSpace, lstTableNames, string.Empty); 176 } 177 178 /// <summary> 179 /// 功能描述:根据数据库表生产实体类 180 /// 作 者:beck.huang 181 /// 创建日期:2018-05-09 15:38:22 182 /// 任务编号:中餐 183 /// </summary> 184 /// <param name="strPath">实体类存放路径</param> 185 /// <param name="strNameSpace">命名空间</param> 186 /// <param name="lstTableNames">生产指定的表</param> 187 /// <param name="strInterface">实现接口</param> 188 public void CreateClassFileByDBTalbe( 189 string strPath, 190 string strNameSpace, 191 string[] lstTableNames, 192 string strInterface, 193 bool blnSerializable = false) 194 { 195 if (lstTableNames != null && lstTableNames.Length > 0) 196 { 197 _db.DbFirst.Where(lstTableNames).IsCreateDefaultValue().IsCreateAttribute() 198 .SettingClassTemplate(p => p = @" 199 {using} 200 201 namespace {Namespace} 202 { 203 {ClassDescription}{SugarTable}" + (blnSerializable ? "[Serializable]" : "") + @" 204 public partial class {ClassName}" + (string.IsNullOrEmpty(strInterface) ? "" : (" : " + strInterface)) + @" 205 { 206 public {ClassName}() 207 { 208 {Constructor} 209 } 210 {PropertyName} 211 } 212 } 213 ") 214 .SettingPropertyTemplate(p => p = @" 215 {SugarColumn} 216 public {PropertyType} {PropertyName} 217 { 218 get 219 { 220 return _{PropertyName}; 221 } 222 set 223 { 224 if(_{PropertyName}!=value) 225 { 226 base.SetValueCall(" + "\"{PropertyName}\",_{PropertyName}" + @"); 227 } 228 _{PropertyName}=value; 229 } 230 }") 231 .SettingPropertyDescriptionTemplate(p => p = " private {PropertyType} _{PropertyName};\r\n" + p) 232 .SettingConstructorTemplate(p => p = " this._{PropertyName} ={DefaultValue};") 233 .CreateClassFile(strPath, strNameSpace); 234 } 235 else 236 { 237 _db.DbFirst.IsCreateAttribute().IsCreateDefaultValue() 238 .SettingClassTemplate(p => p = @" 239 {using} 240 241 namespace {Namespace} 242 { 243 {ClassDescription}{SugarTable}" + (blnSerializable ? "[Serializable]" : "") + @" 244 public partial class {ClassName}" + (string.IsNullOrEmpty(strInterface) ? "" : (" : " + strInterface)) + @" 245 { 246 public {ClassName}() 247 { 248 {Constructor} 249 } 250 {PropertyName} 251 } 252 } 253 ") 254 .SettingPropertyTemplate(p => p = @" 255 {SugarColumn} 256 public {PropertyType} {PropertyName} 257 { 258 get 259 { 260 return _{PropertyName}; 261 } 262 set 263 { 264 if(_{PropertyName}!=value) 265 { 266 base.SetValueCall(" + "\"{PropertyName}\",_{PropertyName}" + @"); 267 } 268 _{PropertyName}=value; 269 } 270 }") 271 .SettingPropertyDescriptionTemplate(p => p = " private {PropertyType} _{PropertyName};\r\n" + p) 272 .SettingConstructorTemplate(p => p = " this._{PropertyName} ={DefaultValue};") 273 .CreateClassFile(strPath, strNameSpace); 274 } 275 } 276 #endregion 277 278 #region 根据实体类生成数据库表 279 /// <summary> 280 /// 功能描述:根据实体类生成数据库表 281 /// 作 者:beck.huang 282 /// 创建日期:2018-05-08 10:31:02 283 /// 任务编号:中餐 284 /// </summary> 285 /// <param name="blnBackupTable">是否备份表</param> 286 /// <param name="lstEntitys">指定的实体</param> 287 public void CreateTableByEntity<T>(bool blnBackupTable, params T[] lstEntitys) where T : class,new() 288 { 289 Type[] lstTypes = null; 290 if (lstEntitys != null) 291 { 292 lstTypes = new Type[lstEntitys.Length]; 293 for (int i = 0; i < lstEntitys.Length; i++) 294 { 295 T t = lstEntitys[i]; 296 lstTypes[i] = typeof(T); 297 } 298 } 299 CreateTableByEntity(blnBackupTable, lstTypes); 300 } 301 302 /// <summary> 303 /// 功能描述:根据实体类生成数据库表 304 /// 作 者:beck.huang 305 /// 创建日期:2018-05-08 10:31:14 306 /// 任务编号:中餐 307 /// </summary> 308 /// <param name="blnBackupTable">是否备份表</param> 309 /// <param name="lstEntitys">指定的实体</param> 310 public void CreateTableByEntity(bool blnBackupTable, params Type[] lstEntitys) 311 { 312 if (blnBackupTable) 313 { 314 _db.CodeFirst.BackupTable().InitTables(lstEntitys); //change entity backupTable 315 } 316 else 317 { 318 _db.CodeFirst.InitTables(lstEntitys); 319 } 320 } 321 #endregion 322 323 #endregion 324 325 #region 静态方法 326 327 /// <summary> 328 /// 功能描述:获得一个DbContext 329 /// 作 者:beck.huang 330 /// 创建日期:2018-05-28 17:24:12 331 /// 任务编号:中餐 332 /// </summary> 333 /// <param name="blnIsAutoCloseConnection">是否自动关闭连接(如果为false,则使用接受时需要手动关闭Db)</param> 334 /// <returns>返回值</returns> 335 public static DbContext GetDbContext(bool blnIsAutoCloseConnection) 336 { 337 return new DbContext(blnIsAutoCloseConnection); 338 } 339 340 /// <summary> 341 /// 功能描述:设置初始化参数 342 /// 作 者:beck.huang 343 /// 创建日期:2018-05-08 10:02:32 344 /// 任务编号:中餐 345 /// </summary> 346 /// <param name="strConnectionString">连接字符串</param> 347 /// <param name="enmDbType">数据库类型</param> 348 public static void Init(string strConnectionString, DbType enmDbType = SqlSugar.DbType.MySql) 349 { 350 _connectionString = strConnectionString; 351 _dbType = enmDbType; 352 } 353 354 /// <summary> 355 /// 功能描述:创建一个链接配置 356 /// 作 者:beck.huang 357 /// 创建日期:2018-05-09 09:03:33 358 /// 任务编号:中餐 359 /// </summary> 360 /// <param name="blnIsAutoCloseConnection">是否自动关闭连接</param> 361 /// <param name="blnIsShardSameThread">是否夸类事务</param> 362 /// <returns>ConnectionConfig</returns> 363 public static ConnectionConfig GetConnectionConfig(bool blnIsAutoCloseConnection = true, bool blnIsShardSameThread = false) 364 { 365 ConnectionConfig config = new ConnectionConfig() 366 { 367 ConnectionString = _connectionString, 368 DbType = _dbType, 369 IsAutoCloseConnection = blnIsAutoCloseConnection, 370 ConfigureExternalServices = new ConfigureExternalServices() 371 { 372 DataInfoCacheService = new HttpRuntimeCache() 373 }, 374 IsShardSameThread = blnIsShardSameThread 375 }; 376 return config; 377 } 378 379 /// <summary> 380 /// 功能描述:获取一个自定义的DB 381 /// 作 者:beck.huang 382 /// 创建日期:2018-05-08 09:49:36 383 /// 任务编号:中餐 384 /// </summary> 385 /// <param name="config">config</param> 386 /// <returns>返回值</returns> 387 public static SqlSugarClient GetCustomDB(ConnectionConfig config) 388 { 389 return new SqlSugarClient(config); 390 } 391 /// <summary> 392 /// 功能描述:获取一个自定义的数据库处理对象 393 /// 作 者:beck.huang 394 /// 创建日期:2018-05-09 08:56:20 395 /// 任务编号:中餐 396 /// </summary> 397 /// <param name="sugarClient">sugarClient</param> 398 /// <returns>返回值</returns> 399 public static SimpleClient<T> GetCustomEntityDB<T>(SqlSugarClient sugarClient) where T : class,new() 400 { 401 return new SimpleClient<T>(sugarClient); 402 } 403 /// <summary> 404 /// 功能描述:获取一个自定义的数据库处理对象 405 /// 作 者:beck.huang 406 /// 创建日期:2018-05-08 09:50:32 407 /// 任务编号:中餐 408 /// </summary> 409 /// <param name="config">config</param> 410 /// <returns>返回值</returns> 411 public static SimpleClient<T> GetCustomEntityDB<T>(ConnectionConfig config) where T : class,new() 412 { 413 SqlSugarClient sugarClient = GetCustomDB(config); 414 return GetCustomEntityDB<T>(sugarClient); 415 } 416 #endregion 417 }
然后是一个BaseDal,基本上覆盖了大部分的增删改查功能
![技术分享图片](/img/jia.gif)
public class BaseDal<T> where T : class ,new() { #region 属性字段 private DbContext _context; public DbContext Context { get { return _context; } set { _context = value; } } private SqlSugarClient _db; /// <summary> /// 数据处理对象 by beck.huang 2018-05-09 09:31:24 /// </summary> internal SqlSugarClient Db { get { return _db; } private set { _db = value; } } private SimpleClient<T> _entityDB; /// <summary> /// 实体数据处理对象 by beck.huang 2018-05-09 09:31:15 /// </summary> internal SimpleClient<T> EntityDB { get { return _entityDB; } private set { _entityDB = value; } } public Action<Exception> OnDalError { get; set; } public Action<string, SugarParameter[]> OnDalLogExecuting { get; set; } public Action<string, SugarParameter[]> OnDalLogExecuted { get; set; } public Func<string, SugarParameter[], KeyValuePair<string, SugarParameter[]>> OnDalExecutingChangeSql { get; set; } #endregion #region 构造函数 /// <summary> /// 功能描述:构造函数 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:30:54 /// 任务编号:中餐 /// </summary> /// <param name="blnIsAutoCloseConnection">是否自动关闭连接</param> public BaseDal(bool blnIsAutoCloseConnection = true) { DbContext context = DbContext.GetDbContext(blnIsAutoCloseConnection); _context = context; _db = context.Db; //_db.Aop.OnLogExecuted = new Action<string, SugarParameter[]>(OnLogExecuted); //_db.Aop.OnLogExecuting = OnDalLogExecuting; //_db.Aop.OnError = OnDalError; //_db.Aop.OnExecutingChangeSql = new Func<string, SugarParameter[], KeyValuePair<string, SugarParameter[]>>(OnExecutingChangeSql); _entityDB = context.GetEntityDB<T>(_db); } /// <summary> /// 功能描述:使用指定的DbContext初始化一个对象 /// 作 者:beck.huang /// 创建日期:2018-05-28 17:31:57 /// 任务编号:中餐 /// </summary> /// <param name="context">DbContext</param> public BaseDal(DbContext context) { _context = context; _db = context.Db; _entityDB = context.GetEntityDB<T>(_db); } #endregion #region 增 /// <summary> /// 功能描述:插入数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 17:57:26 /// 任务编号:中餐 /// </summary> /// <param name="strSql">strSql</param> /// <param name="parameters">parameters</param> /// <returns>是否成功</returns> public bool Insert(string strSql, SugarParameter[] parameters = null) { return _db.Ado.ExecuteCommand(strSql, parameters) > 0; } /// <summary> /// 功能描述:插入数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:43:06 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表</param> /// <returns>是否成功</returns> public bool Insert(params T[] entitys) { if (entitys != null && entitys.Length > 0) { return _entityDB.InsertRange(entitys); } return true; } /// <summary> /// 功能描述:插入数据,返回自增列 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:44:52 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体</param> /// <returns>自增ID</returns> public int InsertReturnIdentity(T entity) { return _entityDB.InsertReturnIdentity(entity); } #endregion #region 删 /// <summary> /// 功能描述:删除指定实体 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:47:38 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>是否成功</returns> public bool Delete(T entity) { return _entityDB.Delete(entity); } /// <summary> /// 功能描述:删除数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:06:10 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>受影响行数</returns> public int Delete(T[] entitys) { if (entitys != null) return _db.Deleteable<T>(entitys.ToList()).ExecuteCommand(); else return 0; } /// <summary> /// 功能描述:删除数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:52:35 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <returns>是否成功</returns> public bool Delete(Expression<Func<T, bool>> whereExpression) { return _entityDB.Delete(whereExpression); } /// <summary> /// 功能描述:删除数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:02:37 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <returns>是否成功</returns> public bool Delete(string strWhere) { return _db.Deleteable<T>().Where(strWhere).ExecuteCommand() > 0; } /// <summary> /// 功能描述:删除数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:02:37 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <returns>是否成功</returns> public bool Delete(string strWhere, List<SugarParameter> lstParameters) { return _db.Deleteable<T>().Where(strWhere, lstParameters).ExecuteCommand() > 0; } /// <summary> /// 功能描述:根据ID删除 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:08:18 /// 任务编号:中餐 /// </summary> /// <param name="ids">主键列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>受影响行数</returns> public int DeleteByID(params object[] ids) { return _db.Deleteable<T>().In(ids).ExecuteCommand(); } #endregion #region 改 /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 17:57:26 /// 任务编号:中餐 /// </summary> /// <param name="strSql">strSql</param> /// <param name="parameters">parameters</param> /// <returns>是否成功</returns> public bool Update(string strSql, SugarParameter[] parameters = null) { return _db.Ado.ExecuteCommand(strSql, parameters) > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:28:27 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>是否成功</returns> public bool Update(T entity) { return _entityDB.Update(entity); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:28:27 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体</param> /// <param name="entity">条件</param> /// <returns>是否成功</returns> public bool Update(T entity, string strWhere) { return _db.Updateable(entity).Where(strWhere).ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:28:27 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体</param> /// <param name="entity">条件</param> /// <param name="lstParameters">参数</param> /// <returns>是否成功</returns> public bool Update( T entity, string strWhere, List<SugarParameter> lstParameters) { return _db.Updateable(entity).Where(strWhere, lstParameters).ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:31:15 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>受影响行数</returns> public int Update(T[] entitys) { return Update(entitys, null, null); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 15:31:09 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <returns>受影响行数</returns> public int Update( T[] entitys, List<string> lstColumns, List<string> lstIgnoreColumns) { return Update(entitys, lstColumns, lstIgnoreColumns, ""); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 15:31:47 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="strWhere">条件</param> /// <returns>受影响行数</returns> public int Update( T[] entitys, List<string> lstColumns, List<string> lstIgnoreColumns, string strWhere) { return Update(entitys, lstColumns, lstIgnoreColumns, strWhere, null); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 15:33:06 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="strWhere">条件</param> /// <param name="lstParameters">条件参数</param> /// <returns>受影响行数</returns> public int Update( T[] entitys, List<string> lstColumns, List<string> lstIgnoreColumns, string strWhere, List<SugarParameter> lstParameters) { IUpdateable<T> up = _db.Updateable(entitys); if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0) { up = up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)); } if (lstColumns != null && lstColumns.Count > 0) { up = up.UpdateColumns(it => lstColumns.Contains(it)); } if (!string.IsNullOrEmpty(strWhere)) { up = up.Where(strWhere, lstParameters); } return up.ExecuteCommand(); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-16 15:33:36 /// 任务编号:中餐 /// </summary> /// <param name="entitys">实体列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="whereExpression">条件</param> /// <returns>受影响行数</returns> public int Update( T[] entitys, List<string> lstColumns, List<string> lstIgnoreColumns, Expression<Func<T, bool>> whereExpression) { IUpdateable<T> up = _db.Updateable(entitys); if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0) { up = up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)); } if (lstColumns != null && lstColumns.Count > 0) { up = up.UpdateColumns(it => lstColumns.Contains(it)); } if (whereExpression != null) { up = up.Where(whereExpression); } return up.ExecuteCommand(); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:40:18 /// 任务编号:中餐 /// </summary> /// <param name="columns">修改的列</param> /// <param name="whereExpression">条件表达式</param> /// <returns>是否成功</returns> public bool Update(Expression<Func<T, T>> columns, Expression<Func<T, bool>> whereExpression) { return _entityDB.Update(columns, whereExpression); } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:43:35 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <returns>是否成功</returns> public bool Update( T entity, List<string> lstColumns, List<string> lstIgnoreColumns) { return Update(entity, lstColumns, lstIgnoreColumns, string.Empty); } /// <summary> /// 功能描述:修改指定的列和值 /// 作 者:beck.huang /// 创建日期:2018-05-16 19:33:46 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstSetValueExpression">列和值列表(如:it => it.Name == (it.Name + 1))</param> /// <returns>是否成功</returns> public bool Update(string strWhere, params Expression<Func<T, bool>>[] lstSetValueExpression) { return Update(strWhere, null, lstSetValueExpression); } /// <summary> /// 功能描述:修改指定的列和值 /// 作 者:beck.huang /// 创建日期:2018-05-16 19:34:01 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="lstSetValueExpression">列和值列表(如:it => it.Name == (it.Name + 1))</param> /// <returns>是否成功</returns> public bool Update( string strWhere, List<SugarParameter> lstParameters, params Expression<Func<T, bool>>[] lstSetValueExpression ) { IUpdateable<T> up = _db.Updateable<T>(); if (lstSetValueExpression != null) { foreach (var item in lstSetValueExpression) { up = up.ReSetValue(item); } } if (!string.IsNullOrEmpty(strWhere)) { up = up.Where(strWhere, lstParameters); } return up.ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:43:35 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="strWhere">条件</param> /// <returns>是否成功</returns> public bool Update( T entity, List<string> lstColumns, List<string> lstIgnoreColumns, string strWhere) { IUpdateable<T> up = _db.Updateable(entity); if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0) { up = up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)); } if (lstColumns != null && lstColumns.Count > 0) { up = up.UpdateColumns(it => lstColumns.Contains(it)); } if (!string.IsNullOrEmpty(strWhere)) { up = up.Where(strWhere); } return up.ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 10:43:35 /// 任务编号:中餐 /// </summary> /// <param name="entity">实体</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <returns>是否成功</returns> public bool Update( T entity, List<string> lstColumns, List<string> lstIgnoreColumns, string strWhere, List<SugarParameter> lstParameters) { IUpdateable<T> up = _db.Updateable(entity); if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0) { up = up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)); } if (lstColumns != null && lstColumns.Count > 0) { up = up.UpdateColumns(it => lstColumns.Contains(it)); } if (!string.IsNullOrEmpty(strWhere)) { up = up.Where(strWhere, lstParameters); } return up.ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-15 10:10:53 /// 任务编号:中餐 /// </summary> /// <param name="实体">entity</param> /// <param name="lstColumns">更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="lstIgnoreColumns">不更新的列,如果为空则不做限制(lstColumns与lstIgnoreColumns互斥)</param> /// <param name="whereExpression">条件表达式</param> /// <returns>是否成功</returns> public bool Update( T entity, List<string> lstColumns, List<string> lstIgnoreColumns, Expression<Func<T, bool>> whereExpression) { IUpdateable<T> up = _db.Updateable(entity); if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0) { up = up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)); } if (lstColumns != null && lstColumns.Count > 0) { up = up.UpdateColumns(it => lstColumns.Contains(it)); } if (whereExpression != null) { up = up.Where(whereExpression); } return up.ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-14 15:40:53 /// 任务编号:中餐 /// </summary> /// <param name="lstColumnValues">列,值</param> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <returns>是否成功</returns> public bool Update( Dictionary<string, object> lstColumnValues, string strWhere, List<SugarParameter> lstParameters) { IUpdateable<T> up = _db.Updateable<T>(lstColumnValues); if (!string.IsNullOrEmpty(strWhere)) { up = up.Where(strWhere, lstParameters); } return up.ExecuteCommand() > 0; } /// <summary> /// 功能描述:修改数据 /// 作 者:beck.huang /// 创建日期:2018-05-14 15:42:27 /// 任务编号:中餐 /// </summary> /// <param name="lstColumnValues">列,值</param> /// <param name="whereExpression">条件</param> /// <returns>是否成功</returns> public bool Update(Dictionary<string, object> lstColumnValues, Expression<Func<T, bool>> whereExpression) { IUpdateable<T> up = _db.Updateable<T>(lstColumnValues); if (whereExpression != null) { up = up.Where(whereExpression); } return up.ExecuteCommand() > 0; } #endregion #region 查 /// <summary> /// 功能描述:数据条数 /// 作 者:beck.huang /// 创建日期:2018-05-25 18:07:00 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">strWhere</param> /// <returns>返回值</returns> public int SelectCount(string strWhere) { return _db.Queryable<T>() .WhereIF(!string.IsNullOrEmpty(strWhere), strWhere) .Count(); } /// <summary> /// 功能描述:查询所有数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 14:02:34 /// 任务编号:中餐 /// </summary> /// <returns>数据列表</returns> public List<T> Query() { return _entityDB.GetList(); } /// <summary> /// 功能描述:查询数据列表 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:39:11 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <returns>数据列表</returns> public List<T> Query(string strWhere) { return _db.Queryable<T>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList(); } /// <summary> /// 功能描述:查询数据列表 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:40:32 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">whereExpression</param> /// <returns>数据列表</returns> public List<T> Query(Expression<Func<T, bool>> whereExpression) { return _entityDB.GetList(whereExpression); } /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:13:55 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query(Expression<Func<T, bool>> whereExpression, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToList(); } /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:14:54 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query(string strWhere, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList(); } /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:14:54 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( string strWhere, List<SugarParameter> lstParameters, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters).ToList(); } /// <summary> /// 功能描述:查询前N条数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:16:09 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <param name="intTop">前N条</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( Expression<Func<T, bool>> whereExpression, int intTop, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList(); } /// <summary> /// 功能描述:查询前N条数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:17:14 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="intTop">前N条</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( string strWhere, int intTop, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList(); } /// <summary> /// 功能描述:查询前N条数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:17:14 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="intTop">前N条</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( string strWhere, List<SugarParameter> lstParameters, int intTop, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters).Take(intTop).ToList(); } /// <summary> /// 功能描述:分页查询 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:27:17 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <param name="intPageIndex">页码(下标0)</param> /// <param name="intPageSize">页大小</param> /// <param name="intTotalCount">数据总量</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( Expression<Func<T, bool>> whereExpression, int intPageIndex, int intPageSize, ref int intTotalCount, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize, ref intTotalCount); } /// <summary> /// 功能描述:分页查询 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:29:07 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="intPageIndex">页码(下标0)</param> /// <param name="intPageSize">页大小</param> /// <param name="intTotalCount">数据总量</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( string strWhere, int intPageIndex, int intPageSize, ref int intTotalCount, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize, ref intTotalCount); } /// <summary> /// 功能描述:分页查询 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:29:07 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="intPageIndex">页码(下标0)</param> /// <param name="intPageSize">页大小</param> /// <param name="intTotalCount">数据总量</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> Query( string strWhere, List<SugarParameter> lstParameters, int intPageIndex, int intPageSize, ref int intTotalCount, string strOrderByFileds) { return _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters).ToPageList(intPageIndex, intPageSize, ref intTotalCount); } /// <summary> /// 功能描述:根据ID查询一条数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:23:21 /// 任务编号:中餐 /// </summary> /// <param name="objId">id(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>数据实体</returns> public T QueryByID(object objId) { return _db.Queryable<T>().InSingle(objId); } /// <summary> /// 功能描述:根据ID查询一条数据 /// 作 者:beck.huang /// 创建日期:2018-05-14 16:58:09 /// 任务编号:中餐 /// </summary> /// <param name="objId">id(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="blnUseCache">是否使用缓存</param> /// <param name="cacheDurationInSeconds">缓存超时时间(秒)</param> /// <returns>数据实体</returns> public T QueryByID( object objId, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { return _db.Queryable<T>().WithCacheIF(blnUseCache).InSingle(objId); } /// <summary> /// 功能描述:根据ID查询数据 /// 作 者:beck.huang /// 创建日期:2018-05-09 11:23:34 /// 任务编号:中餐 /// </summary> /// <param name="lstIds">id列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <returns>数据实体列表</returns> public List<T> QueryByIDs(object[] lstIds) { return _db.Queryable<T>().In(lstIds).ToList(); } /// <summary> /// 功能描述:根据ID查询一条数据 /// 作 者:beck.huang /// 创建日期:2018-05-14 16:58:47 /// 任务编号:中餐 /// </summary> /// <param name="lstIds">id列表(必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]),如果是联合主键,请使用Where条件</param> /// <param name="blnUseCache">是否使用缓存</param> /// <param name="cacheDurationInSeconds">缓存超时时间(秒)</param> /// <returns>数据实体列表</returns> public List<T> QueryByIDs( object[] lstIds, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { return _db.Queryable<T>().WithCacheIF(blnUseCache).In(lstIds).ToList(); } #region QueryEntity /// <summary> /// 功能描述:查询一个实体 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:45:37 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <param name="blnUseCache">是否使用缓存机制</param> /// <param name="lstParameters">缓存过期时长</param> /// <returns>实体</returns> public T QueryEntity( Expression<Func<T, bool>> whereExpression, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { return _db.Queryable<T>().WithCacheIF(blnUseCache, cacheDurationInSeconds).WhereIF(whereExpression != null, whereExpression).First(); } /// <summary> /// 功能描述:查询一个实体 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:45:44 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="blnUseCache">是否使用缓存机制</param> /// <param name="lstParameters">缓存过期时长</param> /// <returns>实体</returns> public T QueryEntity( string strWhere, List<SugarParameter> lstParameters = null, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { return _db.Queryable<T>().WithCacheIF(blnUseCache, cacheDurationInSeconds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters).First(); } #endregion #region QueryList /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:47:14 /// 任务编号:中餐 /// </summary> /// <param name="blnUseCache">是否使用缓存机制</param> /// <param name="lstParameters">缓存过期时长</param> /// <returns>返回值</returns> public List<T> QueryList(bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { return _db.Queryable<T>().WithCacheIF(blnUseCache, cacheDurationInSeconds).ToList(); } /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:50:32 /// 任务编号:中餐 /// </summary> /// <param name="whereExpression">条件表达式</param> /// <param name="intTop">前N条数据</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <param name="blnUseCache">是否使用缓存机制</param> /// <param name="lstParameters">缓存过期时长</param> /// <returns>数据列表</returns> public List<T> QueryList( Expression<Func<T, bool>> whereExpression, int? intTop = null, string strOrderByFileds = null, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { ISugarQueryable<T> q = _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression); if (intTop.HasValue) { q = q.Take(intTop.Value); } return q.WithCacheIF(blnUseCache, cacheDurationInSeconds).ToList(); } /// <summary> /// 功能描述:查询一个列表 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:52:17 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="lstParameters">参数</param> /// <param name="intTop">前N条数据</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <param name="blnUseCache">是否使用缓存机制</param> /// <param name="lstParameters">缓存过期时长</param> /// <returns>数据列表</returns> public List<T> QueryList( string strWhere, List<SugarParameter> lstParameters = null, int? intTop = null, string strOrderByFileds = null, bool blnUseCache = false, int cacheDurationInSeconds = 2147483647) { ISugarQueryable<T> q = _db.Queryable<T>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters); if (intTop.HasValue) { q = q.Take(intTop.Value); } return q.WithCacheIF(blnUseCache, cacheDurationInSeconds).ToList(); } #endregion #region QueryPage /// <summary> /// 功能描述:分页查询 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:55:06 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="intTotalCount">数据总数</param> /// <param name="intPageIndex">当前页</param> /// <param name="intPageSize">页大小</param> /// <param name="lstParameters">参数</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> QueryPage( string strWhere, ref int intTotalCount, int intPageIndex = 0, int intPageSize = 20, List<SugarParameter> lstParameters = null, string strOrderByFileds = null) { return _db.Queryable<T>() .OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds) .WhereIF(!string.IsNullOrEmpty(strWhere), strWhere, lstParameters) .ToPageList(intPageIndex, intPageSize, ref intTotalCount); } /// <summary> /// 功能描述:分页查询 /// 作 者:beck.huang /// 创建日期:2018-05-10 10:55:06 /// 任务编号:中餐 /// </summary> /// <param name="strWhere">条件</param> /// <param name="intTotalCount">数据总数</param> /// <param name="intPageIndex">当前页</param> /// <param name="intPageSize">页大小</param> /// <param name="lstParameters">参数</param> /// <param name="strOrderByFileds">排序字段,如name asc,age desc</param> /// <returns>数据列表</returns> public List<T> QueryPage( Expression<Func<T, bool>> whereExpression, ref int intTotalCount, int intPageIndex = 0, int intPageSize = 20, string strOrderByFileds = null) { return _db.Queryable<T>() .OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds) .WhereIF(whereExpression != null, whereExpression) .ToPageList(intPageIndex, intPageSize, ref intTotalCount); } #endregion /// <summary> /// 功能描述:查询Table /// 作 者:beck.huang /// 创建日期:2018-05-16 18:03:14 /// 任务编号:中餐 /// </summary> /// <param name="strSql">strSql</param> /// <param name="lstParameters">参数</param> /// <returns>DataTable</returns> public DataTable QueryTable(string strSql, SugarParameter[] lstParameters = null) { return _db.Ado.GetDataTable(strSql, lstParameters); } /// <summary> /// 功能描述:查询DataSet /// 作 者:beck.huang /// 创建日期:2018-05-16 18:06:05 /// 任务编号:中餐 /// </summary> /// <param name="strSql">strSql</param> /// <param name="lstParameters">参数</param> /// <returns>DataSet</returns> public DataSet QueryDataSet(string strSql, SugarParameter[] lstParameters = null) { return _db.Ado.GetDataSetAll(strSql, lstParameters); } #endregion #region 事务 /// <summary> /// 功能描述:开始事务 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:49:49 /// 任务编号:中餐 /// </summary> public void BeginTran() { _db.Ado.BeginTran(); } /// <summary> /// 功能描述:提交事务 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:49:57 /// 任务编号:中餐 /// </summary> public void CommitTran() { _db.Ado.CommitTran(); } /// <summary> /// 功能描述:回滚事务 /// 作 者:beck.huang /// 创建日期:2018-05-09 09:50:01 /// 任务编号:中餐 /// </summary> public void RollbackTran() { _db.Ado.RollbackTran(); } #endregion #region 其他 /// <summary> /// 功能描述:获取数据库时间 /// 作 者:beck.huang /// 创建日期:2018-05-09 19:41:31 /// 任务编号:中餐 /// </summary> /// <returns>返回值</returns> public DateTime GetDBTime() { return _db.GetDate(); } /// <summary> /// 功能描述:清除表缓存 /// 作 者:beck.huang /// 创建日期:2018-05-11 10:15:51 /// 任务编号:中餐 /// </summary> public void RemoveCache() { var cacheService = _db.CurrentConnectionConfig.ConfigureExternalServices.DataInfoCacheService; string tableName = _db.EntityMaintenance.GetTableName<T>(); var keys = cacheService.GetAllKey<string>(); if (keys != null && keys.Count() > 0) { foreach (var item in keys) { if (item.ToLower().Contains("." + tableName.ToLower() + ".")) { cacheService.Remove<string>(item); } } } } /// <summary> /// 功能描述:关闭连接 /// 作 者:beck.huang /// 创建日期:2018-05-28 17:37:16 /// 任务编号:中餐 /// </summary> public void CloseDB() { if (_context != null && _context.Db != null) { _context.Db.Close(); _context.Db.Dispose(); } } #endregion #region 事件 ///// <summary> ///// 功能描述:Sql执行完发生 ///// 作 者:beck.huang ///// 创建日期:2018-05-11 10:40:25 ///// 任务编号:中餐 ///// </summary> ///// <param name="sql">sql</param> ///// <param name="pars">pars</param> //public virtual void OnLogExecuted(string sql, SugarParameter[] pars) //{ //} ///// <summary> ///// 功能描述:Sql执行前发生 ///// 作 者:beck.huang ///// 创建日期:2018-05-11 10:40:25 ///// 任务编号:中餐 ///// </summary> ///// <param name="sql">sql</param> ///// <param name="pars">pars</param> //public virtual void OnLogExecuting(string sql, SugarParameter[] pars) //{ //} ///// <summary> ///// 功能描述:执行SQL 错误时发生 ///// 作 者:beck.huang ///// 创建日期:2018-05-11 10:40:25 ///// 任务编号:中餐 ///// </summary> ///// <param name="ex">错误</param> //public virtual void OnError(Exception ex) //{ //} ///// <summary> ///// 功能描述:SQL执行前 可以修改SQL ///// 作 者:beck.huang ///// 创建日期:2018-05-11 10:47:37 ///// 任务编号:中餐 ///// </summary> ///// <param name="sql">sql</param> ///// <param name="pars">pars</param> ///// <returns>返回值</returns> //public virtual KeyValuePair<string, SugarParameter[]> OnExecutingChangeSql(string sql, SugarParameter[] pars) //{ // return new KeyValuePair<string, SugarParameter[]>(sql, pars); //} #endregion }
文章来自:https://www.cnblogs.com/bfyx/p/9125002.html