/// <summary> /// Reader转成T的集合 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="type"></param> /// <param name="dr"></param> /// <param name="fields"></param> /// <param name="isClose"></param> /// <returns></returns> internal static List <T> DataReaderToList <T>(Type type, IDataReader dr, string fields, bool isClose = true) { if (type.Name.Contains("KeyValuePair")) { List <T> strReval = new List <T>(); FillValueTypeToDictionary(type, dr, strReval); return(strReval); } //值类型 else if (type.IsValueType || type == SqlSugarTool.StringType) { List <T> strReval = new List <T>(); FillValueTypeToDr <T>(type, dr, strReval); return(strReval); } //数组类型 else if (type.IsArray) { List <T> strReval = new List <T>(); FillValueTypeToArray(type, dr, strReval); return(strReval); } var cacheManager = CacheManager <IDataReaderEntityBuilder <T> > .GetInstance(); string key = "DataReaderToList." + fields + type.FullName; IDataReaderEntityBuilder <T> eblist = null; if (cacheManager.ContainsKey(key)) { eblist = cacheManager[key]; } else { eblist = IDataReaderEntityBuilder <T> .CreateBuilder(type, dr); cacheManager.Add(key, eblist, cacheManager.Day); } List <T> list = new List <T>(); try { if (dr == null) { return(list); } while (dr.Read()) { list.Add(eblist.Build(dr)); } if (isClose) { dr.Close(); dr.Dispose(); dr = null; } } catch (Exception ex) { if (isClose) { dr.Close(); dr.Dispose(); dr = null; } Check.Exception(true, "错误信息:实体映射出错。\r\n错误详情:{0}", ex.Message); } return(list); }
/// <summary> /// 根据表达式条件将实体对象更新到数据库 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="rowObj">rowObj为匿名对象时只更新指定列( 例如:new{ name='abc'}只更新name ),为T类型将更新整个实体(排除主键、自增列和禁止更新列)</param> /// <param name="expression">表达式条件</param> /// <returns>更新成功返回true</returns> public bool Update <T>(object rowObj, Expression <Func <T, bool> > expression) where T : class { if (rowObj == null) { throw new ArgumentNullException("SqlSugarClient.Update.rowObj"); } if (expression == null) { throw new ArgumentNullException("SqlSugarClient.Update.expression"); } Type type = typeof(T); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); var rows = SqlSugarTool.GetParameters(rowObj); var isDynamic = rowObj.GetType() != type; var isClass = !isDynamic; //sql语句缓存 string cacheSqlKey = "db.update." + type.FullName + rows.Length; var cacheSqlManager = CacheManager <StringBuilder> .GetInstance(); string pkName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName); var identityNames = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); ResolveExpress re = new ResolveExpress(); re.ResolveExpression(re, expression); StringBuilder sbSql = new StringBuilder(); if (cacheSqlManager.ContainsKey(cacheSqlKey) && isClass) { sbSql = cacheSqlManager[cacheSqlKey]; } else { sbSql = new StringBuilder(string.Format(" UPDATE [{0}] SET ", typeName)); foreach (var r in rows) { var name = r.ParameterName.TrimStart('@'); var isPk = pkName != null && pkName.ToLower() == name.ToLower(); var isIdentity = identityNames.Any(it => it.Value.ToLower() == name.ToLower()); var isDisableUpdateColumns = DisableUpdateColumns != null && DisableUpdateColumns.Any(it => it.ToLower() == name.ToLower()); if (this.IsIgnoreErrorColumns) { if (!SqlSugarTool.GetColumnsByTableName(this, typeName).Any(it => it.ToLower() == name.ToLower())) { continue; } } if (isPk || isIdentity || isDisableUpdateColumns) { if (isClass) { continue; } } sbSql.Append(string.Format(" [{0}] =@{0} ,", name)); } sbSql.Remove(sbSql.Length - 1, 1); sbSql.Append(" WHERE 1=1 "); sbSql.Append(re.SqlWhere); cacheSqlManager.Add(cacheSqlKey, sbSql, cacheSqlManager.Day); } List <SqlParameter> parsList = new List <SqlParameter>(); parsList.AddRange(re.Paras); var pars = rows; if (pars != null) { foreach (var par in pars) { if (par.SqlDbType == SqlDbType.Udt) { par.UdtTypeName = "HIERARCHYID"; } SqlSugarTool.SetParSize(par); parsList.Add(par); } } try { var updateRowCount = ExecuteCommand(sbSql.ToString(), parsList.ToArray()); return(updateRowCount > 0); } catch (Exception ex) { throw new SqlSugarException(ex.Message, sbSql.ToString(), new { rowObj = rowObj, expression = expression + "" }); } }
/// <summary> /// 获取type属性cache /// </summary> /// <param name="type"></param> /// <param name="cachePropertiesKey"></param> /// <param name="cachePropertiesManager"></param> /// <returns></returns> internal static PropertyInfo[] GetGetPropertiesByCache(Type type, string cachePropertiesKey, CacheManager <PropertyInfo[]> cachePropertiesManager) { PropertyInfo[] props = null; if (cachePropertiesManager.ContainsKey(cachePropertiesKey)) { props = cachePropertiesManager[cachePropertiesKey]; } else { props = type.GetProperties(); cachePropertiesManager.Add(cachePropertiesKey, props, cachePropertiesManager.Day); } return(props); }
private bool SqlBulkCopy <T>(IEnumerable <T> entities) where T : class { if (entities == null) { return(false); } ; Type type = typeof(T); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); string pkName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName); var identityNames = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); var isIdentity = identityNames != null && identityNames.Count > 0; var columnNames = SqlSugarTool.GetColumnsByTableName(this, typeName); if (isIdentity) { columnNames = columnNames.Where(c => !identityNames.Any(it => it.Value == c)).ToList();//去掉自添列 } StringBuilder sbSql = new StringBuilder("INSERT INTO "); sbSql.AppendLine(typeName); sbSql.AppendFormat("({0})", string.Join(",", columnNames.Select(it => "[" + it + "]"))); //属性缓存 string cachePropertiesKey = "db." + type.FullName + ".GetProperties"; var cachePropertiesManager = CacheManager <PropertyInfo[]> .GetInstance(); PropertyInfo[] props = null; if (cachePropertiesManager.ContainsKey(cachePropertiesKey)) { props = cachePropertiesManager[cachePropertiesKey]; } else { props = type.GetProperties(); cachePropertiesManager.Add(cachePropertiesKey, props, cachePropertiesManager.Day); } foreach (var entity in entities) { sbSql.AppendLine("SELECT "); foreach (var name in columnNames) { var isLastName = name == columnNames.Last(); var prop = props.Single(it => it.Name == name); var objValue = prop.GetValue(entity, null); bool isNullable = false; var underType = SqlSugarTool.GetUnderType(prop, ref isNullable); if (objValue == null) { objValue = "NULL"; } else if (underType == SqlSugarTool.DateType) { objValue = "'" + objValue.ToString() + "'"; } else if (underType == SqlSugarTool.BoolType) { objValue = Convert.ToBoolean(objValue) ? 1 : 0; } else if (underType == SqlSugarTool.StringType) { //string参数需要处理注入 (因为SqlParameter参数上限为2100所以无法使用参数化) objValue = "'" + objValue.ToString().ToSqlFilter() + "'"; } else { objValue = "'" + objValue.ToString() + "'"; } sbSql.Append(objValue + (isLastName ? "" : ",")); } var isLastEntity = entities.Last() == entity; if (!isLastEntity) { sbSql.AppendLine(" UNION ALL "); } } var reval = base.ExecuteCommand(sbSql.ToString()); sbSql = null; return(reval > 0); }
/// <summary> /// 插入 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="entity">插入对象</param> /// <param name="isIdentity">过期参数无需填写</param> /// <returns>默认返回Identity,如果没有Identity执行成功将返回true</returns> public object Insert <T>(T entity, bool isIdentity = true) where T : class { Type type = entity.GetType(); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); StringBuilder sbInsertSql = new StringBuilder(); List <SqlParameter> pars = new List <SqlParameter>(); var identities = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); isIdentity = identities != null && identities.Count > 0; //sql语句缓存 string cacheSqlKey = "db.Insert." + type.FullName; if (this.DisableInsertColumns.IsValuable()) { cacheSqlKey = cacheSqlKey + string.Join("", this.DisableInsertColumns); } var cacheSqlManager = CacheManager <StringBuilder> .GetInstance(); //属性缓存 string cachePropertiesKey = "db." + type.FullName + ".GetProperties"; var cachePropertiesManager = CacheManager <PropertyInfo[]> .GetInstance(); PropertyInfo[] props = null; if (cachePropertiesManager.ContainsKey(cachePropertiesKey)) { props = cachePropertiesManager[cachePropertiesKey]; } else { props = type.GetProperties(); cachePropertiesManager.Add(cachePropertiesKey, props, cachePropertiesManager.Day); } var isContainCacheSqlKey = cacheSqlManager.ContainsKey(cacheSqlKey); if (isContainCacheSqlKey) { sbInsertSql = cacheSqlManager[cacheSqlKey]; } else { //2.获得实体的属性集合 //实例化一个StringBuilder做字符串的拼接 sbInsertSql.Append("insert into [" + typeName + "] ("); //3.遍历实体的属性集合 foreach (PropertyInfo prop in props) { if (this.IsIgnoreErrorColumns) { if (!SqlSugarTool.GetColumnsByTableName(this, typeName).Any(it => it.ToLower() == prop.Name.ToLower())) { continue; } } if (this.DisableInsertColumns.IsValuable()) { if (this.DisableInsertColumns.Any(it => it.ToLower() == prop.Name.ToLower())) { continue; } } //EntityState,@EntityKey if (!isIdentity || identities.Any(it => it.Value.ToLower() != prop.Name.ToLower())) { //4.将属性的名字加入到字符串中 sbInsertSql.Append("[" + prop.Name + "],"); } } //**去掉最后一个逗号 sbInsertSql.Remove(sbInsertSql.Length - 1, 1); sbInsertSql.Append(" ) values("); } //5.再次遍历,形成参数列表"(@xx,@xx@xx)"的形式 foreach (PropertyInfo prop in props) { //EntityState,@EntityKey if (!isIdentity || identities.Any(it => it.Value.ToLower() != prop.Name.ToLower())) { if (this.IsIgnoreErrorColumns) { if (!SqlSugarTool.GetColumnsByTableName(this, typeName).Any(it => it.ToLower() == prop.Name.ToLower())) { continue; } } if (this.DisableInsertColumns.IsValuable()) { if (this.DisableInsertColumns.Any(it => it.ToLower() == prop.Name.ToLower())) { continue; } } if (!cacheSqlManager.ContainsKey(cacheSqlKey)) { sbInsertSql.Append("@" + prop.Name + ","); } object val = prop.GetValue(entity, null); if (val == null) { val = DBNull.Value; } if (_serialNumber.IsValuable()) { Func <PubModel.SerialNumber, bool> serEexp = it => it.TableName.ToLower() == typeName.ToLower() && it.FieldName.ToLower() == prop.Name.ToLower(); var isAnyNum = _serialNumber.Any(serEexp); if (isAnyNum && (val == DBNull.Value || val.IsNullOrEmpty())) { if (_serialNumber.First(serEexp).GetNumFunc != null) { val = _serialNumber.First(serEexp).GetNumFunc(); } if (_serialNumber.First(serEexp).GetNumFuncWithDb != null) { val = _serialNumber.First(serEexp).GetNumFuncWithDb(this); } } } if (prop.PropertyType.IsEnum) { val = (int)(val); } var par = new SqlParameter("@" + prop.Name, val); SqlSugarTool.SetParSize(par); if (par.SqlDbType == SqlDbType.Udt) { par.UdtTypeName = "HIERARCHYID"; } pars.Add(par); } } if (!isContainCacheSqlKey) { //**去掉最后一个逗号 sbInsertSql.Remove(sbInsertSql.Length - 1, 1); if (isIdentity == false) { sbInsertSql.Append(");select 'true';"); } else { sbInsertSql.Append(");select SCOPE_IDENTITY();"); } cacheSqlManager.Add(cacheSqlKey, sbInsertSql, cacheSqlManager.Day); } var sql = sbInsertSql.ToString(); try { var lastInsertRowId = GetScalar(sql, pars.ToArray()); return(lastInsertRowId); } catch (Exception ex) { throw new SqlSugarException(ex.Message, sql, entity); } }
/// <summary> /// 清除所有缓存 /// </summary> public void RemoveAllCache <T>() { CacheManager <T> .GetInstance().RemoveAll(c => true); }
/// <summary> /// 清除所有缓存 /// </summary> public void RemoveAllCache() { CacheManager<int>.GetInstance().RemoveAll(c => c.Contains("SqlSugar.")); }
/// <summary> /// 插入 /// 使用说明:sqlSugar.Insert(entity); /// </summary> /// <typeparam name="T"></typeparam> /// <param name="entity">插入对象</param> /// <param name="isIdentity">主键是否为自增长,true可以不填,false必填</param> /// <returns></returns> public object Insert<T>(T entity, bool isIdentity = true) where T : class { Type type = entity.GetType(); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); StringBuilder sbInsertSql = new StringBuilder(); List<SqlParameter> pars = new List<SqlParameter>(); var primaryKeyName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName); //sql语句缓存 string cacheSqlKey = "db.Insert." + typeName; var cacheSqlManager = CacheManager<StringBuilder>.GetInstance(); //属性缓存 string cachePropertiesKey = "db." + typeName + ".GetProperties"; var cachePropertiesManager = CacheManager<PropertyInfo[]>.GetInstance(); PropertyInfo[] props = null; if (cachePropertiesManager.ContainsKey(cachePropertiesKey)) { props = cachePropertiesManager[cachePropertiesKey]; } else { props = type.GetProperties(); cachePropertiesManager.Add(cachePropertiesKey, props, cachePropertiesManager.Day); } var isContainCacheSqlKey = cacheSqlManager.ContainsKey(cacheSqlKey); if (isContainCacheSqlKey) { sbInsertSql = cacheSqlManager[cacheSqlKey]; } else { //2.获得实体的属性集合 //实例化一个StringBuilder做字符串的拼接 sbInsertSql.Append("insert into " + typeName + " ("); //3.遍历实体的属性集合 foreach (PropertyInfo prop in props) { //EntityState,@EntityKey if (isIdentity == false || (isIdentity && prop.Name != primaryKeyName)) { //4.将属性的名字加入到字符串中 sbInsertSql.Append("["+prop.Name + "],"); } } //**去掉最后一个逗号 sbInsertSql.Remove(sbInsertSql.Length - 1, 1); sbInsertSql.Append(" ) values("); } //5.再次遍历,形成参数列表"(@xx,@xx@xx)"的形式 foreach (PropertyInfo prop in props) { //EntityState,@EntityKey if (isIdentity == false || (isIdentity && prop.Name != primaryKeyName)) { if (!cacheSqlManager.ContainsKey(cacheSqlKey)) sbInsertSql.Append("@" + prop.Name + ","); object val = prop.GetValue(entity, null); if (val == null) val = DBNull.Value; var par = new SqlParameter("@" + prop.Name, val); if (par.SqlDbType == SqlDbType.Udt) { par.UdtTypeName = "HIERARCHYID"; } pars.Add(par); } } if (!isContainCacheSqlKey) { //**去掉最后一个逗号 sbInsertSql.Remove(sbInsertSql.Length - 1, 1); if (isIdentity == false) { sbInsertSql.Append(");select 'true';"); } else { sbInsertSql.Append(");select @@identity;"); } cacheSqlManager.Add(cacheSqlKey, sbInsertSql, cacheSqlManager.Day); } var sql = sbInsertSql.ToString(); try { var lastInsertRowId = GetScalar(sql, pars.ToArray()); return lastInsertRowId; } catch (Exception ex) { throw new Exception("sql:" + sql + "\n" + ex.Message); } }