Exemplo n.º 1
0
        //=========================================================================
        //  FunctionName : ToString
        /// <summary>
        /// 重载ToString方法输出所有列名称和对应的值
        /// </summary>
        /// <returns>字符串</returns>
        //=========================================================================
        public override string ToString()
        {
            string className = this.GetType().ToString();

            try
            {
                IDictionary typeTable = DataTypeManager.GetTypeInfo(className);
                if (typeTable == null)
                {
                    Initialize();
                }
                string[]      columnNameList = this.GetColumnName();
                StringBuilder builder        = new StringBuilder();
                foreach (string columnName in columnNameList)
                {
                    if (builder.Length != 0)
                    {
                        builder.Append(", ");
                    }
                    builder.Append(columnName).Append("=").Append(this.GetData(columnName));
                }
                return(builder.ToString());
            }
            catch (Exception ex)
            {
                return(string.Format("{0}.ToString() 错误信息({1})", className, ex.Message));
            }
        }
Exemplo n.º 2
0
        //=========================================================================
        //  FunctionName : Initialize
        /// <summary>
        /// 初始化数据实体
        /// </summary>
        /// <remarks>
        /// 初始化数据实体实例
        /// </remarks>
        //=========================================================================
        private void Initialize()
        {
            lock (this.GetType())
            {
                string      className = this.GetType().ToString();
                IDictionary typeTable = DataTypeManager.GetTypeInfo(className);
                if (typeTable == null)
                {
                    Hashtable propertyTable = new Hashtable();

                    ColumnInfo     infoColumn;
                    string[]       columnList     = this.GetColumnName();
                    SqlDbType[]    columnTypeList = this.GetColumnType();
                    string[]       keyList        = this.GetPrimaryKey();
                    string[]       nullList       = this.GetNullableColumn();
                    PropertyInfo[] properties     = this.GetType().GetProperties();

                    for (int i = 0; i < columnList.Length; i++)
                    {
                        infoColumn                             = new ColumnInfo();
                        infoColumn.ColumnType                  = columnTypeList[i];
                        propertyTable[columnList[i]]           = infoColumn;
                        propertyTable[columnList[i].ToLower()] = infoColumn;
                    }

                    foreach (PropertyInfo infoProperty in properties)
                    {
                        infoColumn = (ColumnInfo)propertyTable[infoProperty.Name];
                        if (infoColumn == null)
                        {
                            continue;
                        }

                        infoColumn.ColumnProperty = infoProperty;
                        if (keyList.Any(keyCol => keyCol == infoProperty.Name))
                        {
                            infoColumn.IsPrimaryKey = true;
                        }
                        if (nullList.Any(nullCol => nullCol == infoProperty.Name))
                        {
                            infoColumn.IsNullable = true;
                        }
                    }

                    DataTypeManager.SetTypeInfo(className, propertyTable);
                }
            }
        }
Exemplo n.º 3
0
        //=========================================================================
        //  FunctionName : GetColumnInfo
        /// <summary>
        /// 取得数据实体指定列的列信息
        /// </summary>
        /// <param name="columnName">列名称</param>
        /// <returns>ColumnInfo类型数组</returns>
        /// <exception cref="BaseDataException"></exception>
        //=========================================================================
        public ColumnInfo GetColumnInfo(string columnName)
        {
            string      className = this.GetType().ToString();
            IDictionary typeTable = DataTypeManager.GetTypeInfo(className);

            if (typeTable == null)
            {
                Initialize();
            }
            IDictionary propertyTable = (IDictionary)DataTypeManager.GetTypeInfo(className);
            ColumnInfo  infoColumn    = (ColumnInfo)propertyTable[columnName];

            if (infoColumn == null)
            {
                string msg = "列名称:" + columnName;
                throw new Exception();
                //throw new BaseDataException(MESSAGE_ID_NOT_FOUND, new string[] {msg}, null ,null ,null);
            }
            return(infoColumn);
        }
Exemplo n.º 4
0
        //=========================================================================
        //  FunctionName : SetData
        /// <summary>
        /// 设定数据实体指定列的值
        /// </summary>
        /// <param name="columnName">列名称</param>
        /// <param name="columnValue">列值</param>
        //=========================================================================
        public void SetData(string columnName, object columnValue)
        {
            string      className = this.GetType().ToString();
            IDictionary typeTable = DataTypeManager.GetTypeInfo(className);

            if (typeTable == null)
            {
                Initialize();
            }
            IDictionary propertyTable = DataTypeManager.GetTypeInfo(className);
            ColumnInfo  infoColumn    = (ColumnInfo)propertyTable[columnName];

            if (infoColumn == null)
            {
                string msg = "列名称:" + columnName;
                throw new Exception();
                //throw new BaseDataException(MESSAGE_ID_NOT_FOUND, new string[] {msg}, null ,null ,null);
            }
            infoColumn.ColumnProperty.SetValue(this, columnValue, null);
        }