/// <summary> /// 将实体对象更新到数据库 /// </summary> /// <typeparam name="T"></typeparam> /// <typeparam name="FiledType"></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="whereIn">主键集合</param> /// <returns>更新成功返回true</returns> public bool Update <T, FiledType>(object rowObj, params FiledType[] whereIn) where T : class { if (rowObj == null) { throw new ArgumentNullException("SqlSugarClient.Update.rowObj"); } Type type = typeof(T); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); StringBuilder sbSql = new StringBuilder(string.Format(" UPDATE [{0}] SET ", typeName)); Dictionary <string, object> rows = SqlSugarTool.GetObjectToDictionary(rowObj); string pkName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName); var identityNames = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); foreach (var r in rows) { var isPk = pkName != null && pkName.ToLower() == r.Key.ToLower(); var isIdentity = identityNames.Any(it => it.Value.ToLower() == r.Key.ToLower()); var isDisableUpdateColumns = DisableUpdateColumns != null && DisableUpdateColumns.Any(it => it.ToLower() == r.Key.ToLower()); if (this.IsIgnoreErrorColumns) { if (!SqlSugarTool.GetColumnsByTableName(this, typeName).Any(it => it.ToLower() == r.Key.ToLower())) { continue; } } if (isPk || isIdentity || isDisableUpdateColumns) { if (rowObj.GetType() == type) { continue; } } sbSql.Append(string.Format(" [{0}] =@{0} ,", r.Key)); } sbSql.Remove(sbSql.Length - 1, 1); if (whereIn.Count() == 0) { var value = type.GetProperties().Cast <PropertyInfo>().Single(it => it.Name == pkName).GetValue(rowObj, null); sbSql.AppendFormat("WHERE {1} IN ('{2}')", typeName, pkName, value); } else { sbSql.AppendFormat("WHERE {1} IN ({2})", typeName, pkName, whereIn.ToJoinSqlInVal()); } List <SqlParameter> parsList = new List <SqlParameter>(); var pars = rows.Select(c => new SqlParameter("@" + c.Key, c.Value)); if (pars != null) { foreach (var par in pars) { var isDisableUpdateColumns = DisableUpdateColumns != null && DisableUpdateColumns.Any(it => it.ToLower() == par.ParameterName.TrimStart('@').ToLower()); if (par.SqlDbType == SqlDbType.Udt || par.ParameterName.ToLower().Contains("hierarchyid")) { par.TypeName = "HIERARCHYID"; } if (!isDisableUpdateColumns) { 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, whereIn = whereIn }); } }
private bool SqlBulkReplace <T>(IEnumerable <T> entities) where T : class { if (entities == null) { return(false); } ; StringBuilder sbSql = new StringBuilder(""); Type type = typeof(T); string typeName = type.Name; typeName = GetTableNameByClassType(typeName); string pkName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName); Check.Exception(pkName.IsNullOrEmpty(), "没有找到主键。"); 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 } //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) { string pkValue = string.Empty; sbSql.Append(" UPDATE "); sbSql.Append(typeName); sbSql.Append(" SET "); pkValue = props.Single(it => it.Name.ToLower() == pkName.ToLower()).GetValue(entity, null).ToString(); foreach (var name in columnNames) { var isPk = pkName != null && pkName.ToLower() == name.ToLower(); var isDisableUpdateColumns = DisableUpdateColumns != null && DisableUpdateColumns.Any(it => it.ToLower() == name.ToLower()); var isLastName = name == columnNames.Last(); var prop = props.Single(it => it.Name == name); var objValue = prop.GetValue(entity, null); if (this.IsIgnoreErrorColumns) { if (!SqlSugarTool.GetColumnsByTableName(this, typeName).Any(it => it.ToLower() == name.ToLower())) { continue; } } if (isPk || isDisableUpdateColumns) { continue; } 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.AppendFormat(" [{0}]={1}{2} ", name, objValue, ","); } sbSql.Remove(sbSql.ToString().LastIndexOf(","), 1); sbSql.AppendFormat("WHERE [{0}]='{1}' ", pkName, pkValue.ToSuperSqlFilter()); } var reval = base.ExecuteCommand(sbSql.ToString()); sbSql = null; return(reval > 0); }
/// <summary> /// 根据表达式条件将实体对象更新到数据库 /// </summary> /// <typeparam name="T">实体类型</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.TypeName = "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 + "" }); } }