/// <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="whereIn">new int[]{1,2,3}</param> /// <returns></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 (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 <SQLiteParameter> parsList = new List <SQLiteParameter>(); var pars = rows.Select(c => new SQLiteParameter("@" + 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 (!isDisableUpdateColumns) { parsList.Add(par); } } } try { var updateRowCount = ExecuteCommand(sbSql.ToString(), parsList.ToArray()); return(updateRowCount > 0); } catch (Exception ex) { var cacheManager = CacheManager <string> .GetInstance(); cacheManager.RemoveAll(it => it.Contains("KeyBy")); 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); StringBuilder sbInsertSql = new StringBuilder(); List <SQLiteParameter> pars = new List <SQLiteParameter>(); var identities = SqlSugarTool.GetIdentitiesKeyByTableName(this, typeName); isIdentity = identities != null && identities.Count > 0; //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 || 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 (!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())) { val = _serialNumber.First(serEexp).GetNumFunc(); } } if (prop.PropertyType.IsEnum) { val = (int)(val); } var par = new SQLiteParameter("@" + prop.Name, val); SqlSugarTool.SetParSize(par); 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 last_insert_rowid() newid;"); } cacheSqlManager.Add(cacheSqlKey, sbInsertSql, cacheSqlManager.Day); } var sql = sbInsertSql.ToString(); try { var lastInsertRowId = GetScalar(sql, pars.ToArray()); return(lastInsertRowId); } catch (Exception ex) { var cacheManager = CacheManager <string> .GetInstance(); cacheManager.RemoveAll(it => it.Contains("KeyBy")); throw new Exception("sql:" + sql + "\n" + ex.Message); } }