/// <summary>
/// 将src中各属性的值复制到des中
/// </summary>
/// <param name="src"></param>
/// <param name="des"></param>
public static void MembersClone(DomainObject src, DomainObject des)
{
foreach (MemberInfo info in DomainObjectUtility.GetMemberInfos(src))
{
DomainObjectUtility.SetValue(des, info.Name, DomainObjectUtility.GetValue(src, info, null));
}
}
public static Hashtable GetAttributeMemberInfos(Type type)
{
lock (hashtableAttributeMember)
{
if (hashtableAttributeMember.ContainsKey(type.FullName) == false)
{
hashtableAttributeMember.Add(type.FullName, DomainObjectUtility.GetAttributeMemberInfos(DomainObjectUtility.GetMemberInfos(type)));
}
}
return((Hashtable)hashtableAttributeMember[type.FullName]);
}
/// <summary>
/// 获得DomainObject中定义了FieldMapAttribute，且为主键的属性名或字段名
/// </summary>
/// <param name="type">DomainObject的类型</param>
/// <returns></returns>
public static string[] GetDomainObjectKeyScheme(Type type)
{
Hashtable ht = DomainObjectUtility.GetKeyAttributeMemberInfos(type);
ArrayList scheme = new ArrayList(ht.Count);
foreach (MemberInfo info in ht.Values)
{
scheme.Add(info.Name);
}
return((string[])scheme.ToArray(typeof(string)));
}
/// <summary>
/// 获得DomainObject对应的所有数据库字段名
/// </summary>
/// <param name="type">DomainObject的类型</param>
/// <returns></returns>
public static ArrayList GetDomainObjectFieldsName(Type type)
{
Hashtable hs = DomainObjectUtility.GetAttributeMemberInfos(type);
ArrayList array = new ArrayList(hs.Count);
foreach (FieldMapAttribute attr in hs.Keys)
{
array.Add(attr.FieldName);
}
return(array);
}
/// <summary>
/// 获得DomainObject中定义了FieldMapAttribute的属性名或字段名的值
/// </summary>
/// <param name="obj">DomainObject</param>
/// <returns></returns>
public static ArrayList GetDomainObjectValues(DomainObject obj)
{
ArrayList array = DomainObjectUtility.GetMemberInfos(obj);
ArrayList values = new ArrayList(array.Count);
foreach (MemberInfo info in array)
{
values.Add(DomainObjectUtility.GetValue(obj, info, null));
}
return(values);
}
/// <summary>
/// 获得DomainObject中定义了FieldMapAttribute，且为主键的属性名或字段名的值
/// </summary>
/// <param name="obj">DomainObject</param>
/// <returns></returns>
public static object[] GetDomainObjectKeyValues(DomainObject obj)
{
Hashtable ht = DomainObjectUtility.GetKeyAttributeMemberInfos(obj);
ArrayList values = new ArrayList(ht.Count);
foreach (MemberInfo info in ht.Values)
{
values.Add(DomainObjectUtility.GetValue(obj, info, null));
}
return((object[])values.ToArray(typeof(object)));
}
/// <summary>
/// 获得DomainObject中定义了FieldMapAttribute的属性名或字段名
/// </summary>
/// <param name="type">DomainObject的类型</param>
/// <returns></returns>
public static ArrayList GetDomainObjectScheme(Type type)
{
ArrayList array = DomainObjectUtility.GetMemberInfos(type);
ArrayList scheme = new ArrayList(array.Count);
foreach (MemberInfo info in array)
{
scheme.Add(info.Name);
}
return(scheme);
}
/// <summary>
/// 获得DomainObject对应的 数据库表名.字段名，用','拼成的字符串
/// </summary>
/// <param name="type">DomainObject的类型</param>
/// <returns></returns>
public static string GetDomainObjectFieldsStringWithTableName(Type type)
{
string tableName = DomainObjectUtility.GetTableMapAttribute(type).TableName;
string[] fieldNames = (string[])DomainObjectUtility.GetDomainObjectFieldsName(type).ToArray(typeof(string));
for (int i = 0; i < fieldNames.Length; i++)
{
fieldNames[i] = string.Format("{0}.{1}", tableName, fieldNames[i]);
}
return(String.Join(", ", fieldNames));
}
private static DomainObject[] FillDomainObject(Type type, DataTable table)
{
DomainObject[] domainObjects = new DomainObject[table.Rows.Count];
int num1 = 0;
foreach (DataRow dr in table.Rows)
{
domainObjects[num1] = DomainObjectUtility.FillDomainObject(type.Assembly.CreateInstance(type.FullName), dr);
num1 = num1 + 1;
}
return(domainObjects);
}
public static DomainObject[] FillDomainObject(Type type, DataSet ds)
{
if (ds == null)
{
return(null);
}
if (ds.Tables[0].Rows.Count < 1)
{
return(null);
}
return(DomainObjectUtility.FillDomainObject(type, ds.Tables[0]));
}
public static DomainObject FillDomainObject(object obj, DataRow dataRow)
{
Hashtable hs = DomainObjectUtility.GetAttributeMemberInfos(obj);
Hashtable hsFields = GetFieldNameMapAttribute(obj.GetType().FullName, hs);
foreach (DataColumn column in dataRow.Table.Columns)
{
if (hsFields.Contains(column.ColumnName.ToUpper()))
{
DomainObjectUtility.SetValue(obj, (MemberInfo)hsFields[column.ColumnName.ToUpper()], dataRow[column.ColumnName]);
}
}
return((DomainObject)obj);
}
public static void SetValue(object domainObject, string propertyName, object value)
{
ArrayList infos = DomainObjectUtility.GetMemberInfos(domainObject);
MemberInfo info1 = null;
foreach (MemberInfo info in infos)
{
if (info.Name == propertyName)
{
info1 = info;
break;
}
}
if (info1 == null)
{
throw new Exception("$Error_Property_Name_Not_Exist");
}
DomainObjectUtility.SetValue(domainObject, info1, value);
}
public static Hashtable GetNonKeyAttributeMemberInfos(Type type)
{
return(DomainObjectUtility.GetNonKeyAttributeMemberInfos(DomainObjectUtility.GetTableMapAttribute(type), DomainObjectUtility.GetMemberInfos(type)));
}
public static Hashtable GetNonKeyAttributeMemberInfos(object obj)
{
return(DomainObjectUtility.GetNonKeyAttributeMemberInfos(DomainObjectUtility.GetTableMapAttribute(obj), DomainObjectUtility.GetMemberInfos(obj)));
}
/// <summary>
/// 获得DomainObject对应的所有数据库字段名，用','拼成的字符串
/// </summary>
/// <param name="type">DomainObject的类型</param>
/// <returns></returns>
public static string GetDomainObjectFieldsString(Type type)
{
return(String.Join(", ", (string[])DomainObjectUtility.GetDomainObjectFieldsName(type).ToArray(typeof(string))));
}
public static TableMapAttribute GetTableMapAttribute(object obj)
{
return(DomainObjectUtility.GetTableMapAttribute(obj.GetType()));
}
public static ArrayList GetMemberInfos(object obj)
{
return(DomainObjectUtility.GetMemberInfos(obj.GetType()));
}
private static void SetValue(object domainObject, MemberInfo info, object value)
{
if (info == null)
{
return;
}
FieldMapAttribute fa = (FieldMapAttribute)System.Attribute.GetCustomAttribute(info, typeof(FieldMapAttribute));
if (fa == null)
{
return;
}
Type type1 = (info is FieldInfo) ? ((FieldInfo)info).FieldType : ((PropertyInfo)info).PropertyType;
if (fa.BlobType == BlobTypes.Binary)
{
if (!((DomainObject)domainObject).IsBlobIgnored)
{
DomainObjectUtility.SetValue(domainObject, info, value, null);
return;
}
}
if (type1 == typeof(int))
{
if (value is System.DBNull)
{
return;
}
else
{
DomainObjectUtility.SetValue(domainObject, info, System.Int32.Parse(value.ToString()), null);
return;
}
}
if (type1 == typeof(long))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Int64.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(double))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Double.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(float))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Single.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(decimal))
{
if (value is System.DBNull)
{
return;
}
//DomainObjectUtility.SetValue(domainObject, info, System.Decimal.Parse(DomainObjectUtility.GetValueString(value)), null);
//说明： 以前的方法在高精度的double数据转换成decimal数据的时候，报参数类型不对的错误，原因是高精度的double的数据在ToString之后会编程科学记数法，因此decimal.parse的时候会出错
//解决方法： 私有方法专门对
DomainObjectUtility.SetValue(domainObject, info, DomainObjectUtility.Getdecimal(value), null);
return;
}
if (type1 == typeof(bool))
{
DomainObjectUtility.SetValue(domainObject, info, value.ToString() == "Y", null);
return;
}
if (type1 == typeof(string))
{
DomainObjectUtility.SetValue(domainObject, info, value.ToString(), null);
return;
}
if (type1 == typeof(DateTime))
{
DateTime result;
DateTime.TryParse(value.ToString(), out result);
DomainObjectUtility.SetValue(domainObject, info, result, null);
return;
}
if (type1.IsEnum)
{
DomainObjectUtility.SetValue(domainObject, info, Enum.Parse(type1, value.ToString()), null);
return;
}
DomainObjectUtility.SetValue(domainObject, info, value, null);
}