Example #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="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);
            }
        }
Example #2
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 (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 <OracleParameter> parsList = new List <OracleParameter>();
            var pars = rows.Select(c => new OracleParameter(":" + c.Key, c.Value.ToOracleParValue()));

            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)
            {
                throw new Exception("sql:" + sbSql.ToString() + "\n" + ex.Message);
            }
        }
Example #3
0
        /// <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);
            }
        }