Beispiel #1
0
        /// <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);
            }
        }
Beispiel #2
0
        /// <summary>
        /// 批量假删除
        /// 使用说明::
        /// FalseDelete《T》("is_del",new int[]{1,2,3})或者Delete《T》("is_del",3)
        /// </summary>
        /// <param name="field">更新删除状态字段</param>
        /// <param name="whereIn">delete ids</param>
        public bool FalseDelete <T, FiledType>(string field, params FiledType[] whereIn)
        {
            Type   type     = typeof(T);
            string typeName = type.Name;

            typeName = GetTableNameByClassType(typeName);
            //属性缓存
            string cachePropertiesKey     = "db." + typeName + ".GetProperties";
            var    cachePropertiesManager = CacheManager <PropertyInfo[]> .GetInstance();

            PropertyInfo[] props     = SqlSugarTool.GetGetPropertiesByCache(type, cachePropertiesKey, cachePropertiesManager);
            bool           isSuccess = false;

            if (whereIn != null && whereIn.Length > 0)
            {
                string sql            = string.Format("UPDATE  {0} SET {3}=1 WHERE {1} IN ({2})", typeName, SqlSugarTool.GetPrimaryKeyByTableName(this, typeName), whereIn.ToJoinSqlInVal(), field);
                int    deleteRowCount = ExecuteCommand(sql);
                isSuccess = deleteRowCount > 0;
            }
            return(isSuccess);
        }
Beispiel #3
0
        /// <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);
            StringBuilder sbSql  = new StringBuilder(string.Format(" UPDATE {0} SET ", typeName));
            var           rows   = SqlSugarTool.GetParameters(rowObj);
            string        pkName = SqlSugarTool.GetPrimaryKeyByTableName(this, typeName);

            foreach (var r in rows)
            {
                if (pkName == r.ParameterName.TrimStart('@'))
                {
                    if (rowObj.GetType() == type)
                    {
                        continue;
                    }
                }
                sbSql.Append(string.Format(" [{0}] =@{0}  ,", r.ParameterName.TrimStart('@')));
            }
            sbSql.Remove(sbSql.Length - 1, 1);
            sbSql.Append(" WHERE  1=1  ");
            ResolveExpress re = new ResolveExpress();

            re.ResolveExpression(re, expression);
            sbSql.Append(re.SqlWhere);;

            List <SQLiteParameter> parsList = new List <SQLiteParameter>();

            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)
            {
                var cacheManager = CacheManager <string> .GetInstance();

                cacheManager.RemoveAll(it => it.Contains("KeyBy"));
                throw new Exception("sql:" + sbSql.ToString() + "\n" + ex.Message);
            }
        }