/// <summary>
/// 把值转成字符串
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
private static object JsonValueToValue(object value, Type realType)
{
if (value == null)
{
return(null);
}
realType = DefaultType.GetRealValueType(realType);
if (value.GetType() == realType)
{
return(value);
}
if (DefaultType.IsInherit(realType, typeof(Enum)))
{
int ivalue = Convert.ToInt32(value);
return(ivalue);
}
if (DefaultType.IsInherit(realType, typeof(byte[])))
{
return(CommonMethods.HexStringToBytes(value as string));
}
if (DefaultType.IsInherit(realType, typeof(bool)))
{
return(Convert.ToInt32(value) != 0);
}
return(Convert.ChangeType(value, realType));
}
/// <summary>
/// 加载真正的数据类型
/// </summary>
private void LoadRealFieldType()
{
this._realFieldType = DefaultType.GetRealValueType(_fieldType);
if (_realFieldType.IsEnum)
{
_realFieldType = typeof(int);
}
}
/// <summary>
/// 把字符串的值还原成原类型的值
/// </summary>
/// <param name="value">字符串</param>
/// <param name="type">源类型</param>
/// <returns></returns>
public static object StringToValue(string value, Type type)
{
//if (type.IsGenericType)
//{
// Type[] types = type.GetGenericArguments();
// if (types.Length > 0)
// {
// type = types[0];
// }
//}
Type objType = DefaultType.GetRealValueType(type);
return(ConvertTo(value, type));
}
/// <summary>
/// 初始化类型的属性信息
/// </summary>
/// <param name="type">类型</param>
/// <returns>如果已经初始化过侧返回false</returns>
private static EntityInfoHandle InitEntityPropertyInfos(Type type,
Dictionary <string, EntityConfigInfo> dicConfigs)
{
if (type == null)
{
return(null);
}
string fullName = type.FullName;
TableAttribute tableAtt = new TableAttribute();
CreateInstanceHandler createrHandle = null;
//实例化本类型的句柄
if (!type.IsGenericType)
{
createrHandle = FastValueGetSet.GetCreateInstanceHandlerWithOutCache(type);
}
Dictionary <string, EntityPropertyInfo> dicPropertys = new Dictionary <string, EntityPropertyInfo>();
Dictionary <string, EntityMappingInfo> dicMapping = new Dictionary <string, EntityMappingInfo>();
Dictionary <string, EntityParam> dicParamsInfo = new Dictionary <string, EntityParam>();
Dictionary <string, TableRelationAttribute> dicRelationInfo = new Dictionary <string, TableRelationAttribute>();
FillEntityInfos(dicParamsInfo, dicRelationInfo, type, tableAtt, dicConfigs);
DBInfo db = DataAccessLoader.GetDBInfo(tableAtt.BelongDB);
IDBAdapter idb = db.CurrentDbAdapter;
EntityInfoHandle classInfo = new EntityInfoHandle(type, createrHandle, tableAtt, db);
Dictionary <string, bool> dicNotFoundParam = new Dictionary <string, bool>();
Dictionary <string, bool> dicNotFoundRelation = new Dictionary <string, bool>();
FillNotFoundField(dicParamsInfo, dicRelationInfo, dicNotFoundParam, dicNotFoundRelation);
//属性信息句柄
List <FieldInfoHandle> lstFields = FieldInfoHandle.GetFieldInfos(type, FastValueGetSet.AllBindingFlags, true);
DataBaseOperate oper = db.DefaultOperate;
///读取属性别名
foreach (FieldInfoHandle finf in lstFields)
{
///通过属性来反射
EntityParam ep = null;
if (dicParamsInfo.TryGetValue(finf.FieldName, out ep))
{
//if (tableAtt.IsParamNameUpper)
//{
// ep.ParamName = ep.ParamName.ToUpper();
//}
string proName = ep.PropertyName;
//GetFieldValueHandle getHandle = FastFieldGetSet.GetGetValueHandle(finf);
//SetFieldValueHandle setHandle = FastFieldGetSet.GetSetValueHandle(finf);
if (finf.HasGetHandle || finf.HasSetHandle)
{
PropertyInfo pinfo = type.GetProperty(ep.PropertyName, FastValueGetSet.AllBindingFlags);
EntityPropertyInfo entityProperty = new EntityPropertyInfo(
classInfo, finf.GetHandle, finf.SetHandle, ep, finf.FieldType, finf.FieldName,
finf.BelongFieldInfo, pinfo);
dicPropertys.Add(proName, entityProperty);
dicNotFoundParam.Remove(finf.FieldName);
}
}
else
{
TableRelationAttribute tableMappingAtt = null;
if (dicRelationInfo.TryGetValue(finf.FieldName, out tableMappingAtt))
{
Type targetType = DefaultType.GetRealValueType(finf.FieldType);
tableMappingAtt.SetEntity(type, targetType);
//GetFieldValueHandle getHandle = FastFieldGetSet.GetGetValueHandle(finf);
//SetFieldValueHandle setHandle = FastFieldGetSet.GetSetValueHandle(finf);
PropertyInfo pinfo = type.GetProperty(tableMappingAtt.PropertyName, FastValueGetSet.AllBindingFlags);
EntityMappingInfo entityMappingInfo = new EntityMappingInfo(
type, finf.GetHandle, finf.SetHandle, tableMappingAtt,
finf.FieldName, finf.FieldType, finf.BelongFieldInfo, pinfo);
dicMapping.Add(tableMappingAtt.PropertyName, entityMappingInfo);
dicNotFoundRelation.Remove(finf.FieldName);
}
}
}
if (dicNotFoundParam.Count > 0 || dicNotFoundRelation.Count > 0)
{
StringBuilder message = new StringBuilder();
foreach (KeyValuePair <string, bool> kvp in dicNotFoundParam)
{
message.Append(kvp.Key + "、");
}
foreach (KeyValuePair <string, bool> kvp in dicNotFoundRelation)
{
message.Append(kvp.Key + "、");
}
if (message.Length > 0)
{
message.Remove(message.Length - 1, 1);
}
message.Insert(0, "类:" + type.FullName + " 找不到字段");
throw new MissingFieldException(message.ToString());
}
classInfo.SetInfoHandles(dicPropertys, dicMapping);
FillAttributeInfo(type, classInfo);
_dicClass[fullName] = classInfo;
return(classInfo);
}
