/// <summary> /// 更新 /// 注意:rowObj为T类型将更新该实体的非主键所有列,如果rowObj类型为匿名类将更新指定列 /// 使用说明:sqlSugar.Update《T》(rowObj,whereObj); /// </summary> /// <typeparam name="T"></typeparam> /// <param name="rowObj">new T(){name="张三",sex="男"}或者new {name="张三",sex="男"}</param> /// <param name="expression">it.id=100</param> /// <returns></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 <OracleParameter> parsList = new List <OracleParameter>(); parsList.AddRange(re.Paras); var pars = rows; if (pars != null) { foreach (var par in pars) { SqlSugarTool.SetParSize(par); parsList.Add(par); } } try { var updateRowCount = ExecuteCommand(sbSql.ToString(), parsList.ToArray()); return(updateRowCount > 0); } catch (Exception ex) { throw new Exception("sql:" + sbSql.ToString() + "\n" + ex.Message); } }
/// <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">该属性已经作废可以不填,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); var seqMap = OracleConfig.SequenceMapping; StringBuilder sbInsertSql = new StringBuilder(); List <OracleParameter> pars = new List <OracleParameter>(); var identities = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); isIdentity = identities != null && identities.Where(it => it.Key.ToLower() == typeName.ToLower()).Count() > 0; //sql语句缓存 string cacheSqlKey = "db.Insert." + type.FullName; 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; } } //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 (!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 OracleParameter(":" + prop.Name, val.ToOracleParValue()); OracleConfig.SetParType(typeName, prop, par, this); SqlSugarTool.SetParSize(par); pars.Add(par); } else { if (!cacheSqlManager.ContainsKey(cacheSqlKey)) { var seqList = seqMap.Where(it => it.TableName.ToLower() == typeName.ToLower() && it.ColumnName.ToLower() == prop.Name.ToLower()); if (seqList.Any()) { var seqName = seqList.First().Value; sbInsertSql.Append(seqName + ".Nextval,"); } else { sbInsertSql.Append("null,"); } } } } if (!isContainCacheSqlKey) { //**去掉最后一个逗号 sbInsertSql.Remove(sbInsertSql.Length - 1, 1); sbInsertSql.Append(")"); cacheSqlManager.Add(cacheSqlKey, sbInsertSql, cacheSqlManager.Day); } var sql = sbInsertSql.ToString(); try { var lastInsertRowId = ExecuteCommand(sql, pars.ToArray()); if (lastInsertRowId > 0) { if (isIdentity) { var seqName = seqMap.First(it => it.TableName.ToLower() == typeName.ToLower()).Value; var eqValue = GetInt("SELECT " + seqName + ".currval from dual"); lastInsertRowId = eqValue; } else { lastInsertRowId = 1; } } return(lastInsertRowId); } catch (Exception ex) { throw new Exception("sql:" + sql + "\n" + ex.Message); } }