private static Hashtable GetAttributeMemberInfos(ArrayList memberInfos)
{
Hashtable hs = new Hashtable();
foreach (MemberInfo info1 in memberInfos)
{
FieldMapAttribute attribute = (FieldMapAttribute)System.Attribute.GetCustomAttribute(info1, typeof(FieldMapAttribute));
hs.Add(attribute, info1);
}
return(hs);
}
public static Hashtable GetFieldNameMemberInfoMap(Type type)
{
Hashtable returnValue = new Hashtable();
foreach (MemberInfo info in type.GetMembers())
{
FieldMapAttribute attribute = (FieldMapAttribute)System.Attribute.GetCustomAttribute(info, typeof(FieldMapAttribute));
if (attribute != null)
{
returnValue.Add(attribute.FieldName.Trim().ToLower(), info);
}
}
return(returnValue);
}
public static Hashtable GetNonKeyAttributeMemberInfos(TableMapAttribute tableMapAttribute, ArrayList memberInfos)
{
StringCollection keyFields = new StringCollection();
keyFields.AddRange(tableMapAttribute.GetKeyFields());
Hashtable hs = new Hashtable();
foreach (MemberInfo info1 in memberInfos)
{
FieldMapAttribute attribute = (FieldMapAttribute)System.Attribute.GetCustomAttribute(info1, typeof(FieldMapAttribute));
if (keyFields.IndexOf(attribute.FieldName) == -1)
{
hs.Add(attribute, info1);
}
}
return(hs);
}
public virtual string GetDisplayText(string fieldName)
{
string returnValue = string.Empty;
FieldInfo info = this.GetType().GetField(fieldName);
if (info != null)
{
returnValue = info.GetValue(this).ToString();
if (info.IsDefined(typeof(FieldDisplayAttribute), true))
{
object[] fieldDisplayList = info.GetCustomAttributes(typeof(FieldDisplayAttribute), true);
foreach (FieldDisplayAttribute fieldDisplay in fieldDisplayList)
{
string descString = string.Empty;
if (fieldDisplay.RemoteTable.Trim().Length <= 0 &&
fieldDisplay.RemoteField.Trim().Length > 0)
{
FieldInfo[] fieldInfoList = this.GetType().GetFields();
if (fieldInfoList != null)
{
foreach (FieldInfo fieldInfo in fieldInfoList)
{
if (fieldInfo.IsDefined(typeof(FieldMapAttribute), true))
{
FieldMapAttribute fieldMap = (FieldMapAttribute)Attribute.GetCustomAttribute(fieldInfo, typeof(FieldMapAttribute));
if (string.Compare(fieldMap.FieldName.Trim(), fieldDisplay.RemoteField.Trim(), true) == 0)
{
descString = fieldInfo.GetValue(this).ToString();
break;
}
}
}
}
}
else
{
string sql = "SELECT {0} FROM {1} WHERE {2} = '{3}' ";
sql = string.Format(sql, fieldDisplay.RemoteField, fieldDisplay.RemoteTable, fieldDisplay.RemoteKey, info.GetValue(this).ToString());
IPersistBroker persistBroker = PersistBrokerManager.PersistBroker(true);
DataSet result = persistBroker.Query(sql);
if (result != null && result.Tables.Count > 0 && result.Tables[0].Rows.Count > 0)
{
descString = result.Tables[0].Rows[0][0].ToString();
}
}
if (descString.Trim().Length > 0)
{
if (fieldDisplay.ModifyType == FieldDisplayModifyType.Append)
{
returnValue += " - " + descString;
}
else if (fieldDisplay.ModifyType == FieldDisplayModifyType.Replace)
{
returnValue = descString;
}
}
}
}
}
return(returnValue);
}
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);
}
