internal static void PopulateFromProperty(object objValue, PropertyInfo pi, ref ColumnInfo ci, out ColumnAttribute columnAttr)
{
//验证Table修饰符
var isExplicit = pi.DeclaringType.GetCustomAttributes(typeof(TableAttribute), true).Any();
var tableAttr = pi.DeclaringType.GetCustomAttributes(typeof(TableAttribute), true).FirstOrDefault() as TableAttribute;
columnAttr = pi.GetCustomAttributes(typeof(ColumnAttribute), true).FirstOrDefault() as ColumnAttribute;
var isIgnore = pi.GetCustomAttributes(typeof(IgnoreAttribute), true).Any();
if (isIgnore || (isExplicit && columnAttr == null))
{
ci = null;
}
else if (objValue == null)
{
ci = null;
}
else
{
ci = ci ?? new ColumnInfo();
ci.ColumnName = columnAttr.NameAs;
ci.ColumnType = columnAttr.ColumnTypeAs ?? pi.PropertyType;
ci.IsClass = RefletUtil.IsClass(pi.PropertyType);
ci.IsGenric = RefletUtil.IsListGeneric(pi.PropertyType);
ci.IsBaseType = RefletUtil.IsBaseType(pi.PropertyType);
ci.IsTableAs = string.IsNullOrEmpty(columnAttr.TableNameAs);
ci.TableNameAs = string.IsNullOrEmpty(columnAttr.TableNameAs) ? tableAttr.TableName : columnAttr.TableNameAs;
ci.DBType = columnAttr.DbTypeAs == TargetDbType.Oracle ? "ORACLE" : "SQLSERVER";
object colValue = new BuildColumn()
{
PropertyInfo = pi
}.GetValue(objValue);
if (colValue != null)
{
if (!columnAttr.HasExtendies)
{
ci.Value = Convert.ChangeType(colValue, ci.ColumnType);
}
else
{
MethodInfo method = pi.DeclaringType.GetMethod(columnAttr.FormatFuncName);
ExtensionsResult extensions = (ExtensionsResult)method.Invoke(objValue, new object[] { colValue });
ci.Value = extensions.Value;
ci.ColumnType = extensions.ValueType;
}
ci.IsNull = false;
}
else
{
ci.IsNull = true;
}
}
}
public T ToEntity <T>(DataSet ds) where T : class, new()
{
T obj = new T();
if (ds == null)
{
return(obj);
}
else
{
IDataTableMapper mapper = new DefaultTableMapper();
if (RefletUtil.IsClass(typeof(T)))
{
PropertyInfo[] properties = mapper.GetAllProperty(obj.GetType());
foreach (var property in properties)
{
MapperInfo mi = mapper.GetMapperInfo(ds, property);
if (RefletUtil.IsBaseType(property.PropertyType))
{
object pvalue =
mi.HasExtend.Key ? mi.HasExtend.Value.Invoke(obj, new object[] { property.Name, mi.SourceTb.Rows[0][mi.ColumnName] }) :
mi.SourceTb.Rows[0][mi.ColumnName];
property.SetValue(obj, Convert.ChangeType(pvalue, property.PropertyType), null);
}
if (RefletUtil.IsClass(property.PropertyType))
{
object subClassInstance = RefletUtil.CreateClassInstance(property.PropertyType);
PropertyInfo[] SubClassProperties = mapper.GetAllProperty(property.PropertyType);
foreach (var SubClassProperty in SubClassProperties)
{
MapperInfo subClassPropertyMi = mapper.GetMapperInfo(ds, SubClassProperty);
if (RefletUtil.IsBaseType(SubClassProperty.PropertyType))
{
object subclasspvalue =
subClassPropertyMi.HasExtend.Key ? subClassPropertyMi.HasExtend.Value.Invoke(subClassInstance, new object[] { SubClassProperty.Name, subClassPropertyMi.SourceTb.Rows[0][subClassPropertyMi.ColumnName] }) :
subClassPropertyMi.SourceTb.Rows[0][subClassPropertyMi.ColumnName];
SubClassProperty.SetValue(subClassInstance, Convert.ChangeType(subclasspvalue, SubClassProperty.PropertyType), null);
}
}
property.SetValue(obj, Convert.ChangeType(subClassInstance, property.PropertyType), null);
}
if (RefletUtil.IsListGeneric(property.PropertyType))
{
var instance = RefletUtil.CreateGenericInstance(property.PropertyType, out Type instancetype);
var instancelList = RefletUtil.CreateGeneric(instancetype);
//GenricListSetValue(ds, property.PropertyType, ref instancelList);
#region V1.0
for (int i = 0; i < mi.SourceTb.Rows.Count; i++)
{
//List<Class> => Class.Class
instance = RefletUtil.CreateGenericInstance(property.PropertyType, out _);
PropertyInfo[] insproperties = mapper.GetAllProperty(instancetype);
foreach (var item in insproperties)
{
MapperInfo itemMI = mapper.GetMapperInfo(ds, item);
if (RefletUtil.IsBaseType(item.PropertyType))
{
object itemprovalue = itemMI.HasExtend.Key ?
itemMI.HasExtend.Value.Invoke(instance, new object[] { item.Name, itemMI.SourceTb.Rows[i][itemMI.ColumnName] }) :
itemMI.SourceTb.Rows[i][itemMI.ColumnName];
item.SetValue(instance, Convert.ChangeType(itemprovalue, item.PropertyType), null);
}
if (RefletUtil.IsClass(item.PropertyType))
{
object itemsubclassInstance = RefletUtil.CreateClassInstance(item.PropertyType);
PropertyInfo[] itemsubclassproperties = mapper.GetAllProperty(item.PropertyType);
foreach (var subitemproperty in itemsubclassproperties)
{
MapperInfo subitemproMI = mapper.GetMapperInfo(ds, subitemproperty);
if (RefletUtil.IsBaseType(subitemproperty.PropertyType))
{
object subitemproValue = subitemproMI.HasExtend.Key ?
subitemproMI.HasExtend.Value.Invoke(itemsubclassInstance, new object[] { subitemproperty.Name, subitemproMI.SourceTb.Rows[i][subitemproMI.ColumnName] }) :
subitemproMI.SourceTb.Rows[i][subitemproMI.ColumnName];
subitemproperty.SetValue(itemsubclassInstance, Convert.ChangeType(subitemproValue, subitemproperty.PropertyType), null);
}
}
item.SetValue(instance, Convert.ChangeType(itemsubclassInstance, item.PropertyType), null);
}
}
RefletUtil.AddObjToGeneric(instancelList, instance);
}
#endregion
property.SetValue(obj, instancelList, null);
}
}
}
//List
else
{
var instance = RefletUtil.CreateGenericInstance(typeof(T), out Type instancetype);
var instancelList = RefletUtil.CreateGeneric(instancetype);
GenricListSetValue(ds, typeof(T), ref instancelList);
obj = (T)instancelList;
}
}
return(obj);
}
private void GenricListSetValue(DataSet ds, Type listype, ref object instancelList)
{
var instance = RefletUtil.CreateGenericInstance(listype, out Type instancetype);
IDataTableMapper mapper = new DefaultTableMapper();
MapperInfo insMI = MapperInfo.FromType(ds, instancetype);
for (int i = 0; i < insMI.SourceTb.Rows.Count; i++)
{
instance = RefletUtil.CreateGenericInstance(listype, out _);
PropertyInfo[] properties = mapper.GetAllProperty(instancetype);
foreach (var property in properties)
{
MapperInfo mi = mapper.GetMapperInfo(ds, property);
if (RefletUtil.IsBaseType(property.PropertyType))
{
object pvalue =
mi.HasExtend.Key ? mi.HasExtend.Value.Invoke(instance, new object[] { property.Name, mi.SourceTb.Rows[0][mi.ColumnName] }) :
mi.SourceTb.Rows[0][mi.ColumnName];
property.SetValue(instance, Convert.ChangeType(pvalue, property.PropertyType), null);
}
if (RefletUtil.IsClass(property.PropertyType))
{
object subClassInstance = RefletUtil.CreateClassInstance(property.PropertyType);
PropertyInfo[] SubClassProperties = mapper.GetAllProperty(property.PropertyType);
foreach (var SubClassProperty in SubClassProperties)
{
MapperInfo subClassPropertyMi = mapper.GetMapperInfo(ds, SubClassProperty);
if (RefletUtil.IsBaseType(SubClassProperty.PropertyType))
{
object subclasspvalue =
subClassPropertyMi.HasExtend.Key ? subClassPropertyMi.HasExtend.Value.Invoke(subClassInstance, new object[] { SubClassProperty.Name, subClassPropertyMi.SourceTb.Rows[0][subClassPropertyMi.ColumnName] }) :
subClassPropertyMi.SourceTb.Rows[0][subClassPropertyMi.ColumnName];
SubClassProperty.SetValue(subClassInstance, Convert.ChangeType(subclasspvalue, SubClassProperty.PropertyType), null);
}
}
property.SetValue(instance, Convert.ChangeType(subClassInstance, property.PropertyType), null);
}
if (RefletUtil.IsListGeneric(property.PropertyType))
{
var instancesub = RefletUtil.CreateGenericInstance(property.PropertyType, out Type instancesubtype);
var instancesublList = RefletUtil.CreateGeneric(instancesubtype);
for (int l = 0; l < mi.SourceTb.Rows.Count; l++)
{
//Llst<Class> => Class.Class
instancesub = RefletUtil.CreateGenericInstance(property.PropertyType, out _);
PropertyInfo[] insproperties = mapper.GetAllProperty(instancesubtype);
foreach (var item in insproperties)
{
MapperInfo itemMI = mapper.GetMapperInfo(ds, item);
if (RefletUtil.IsBaseType(item.PropertyType))
{
object itemprovalue = itemMI.HasExtend.Key ?
itemMI.HasExtend.Value.Invoke(instancesub, new object[] { item.Name, itemMI.SourceTb.Rows[l][itemMI.ColumnName] }) :
itemMI.SourceTb.Rows[l][itemMI.ColumnName];
item.SetValue(instancesub, Convert.ChangeType(itemprovalue, item.PropertyType), null);
}
if (RefletUtil.IsClass(item.PropertyType))
{
object itemsubclassInstance = RefletUtil.CreateClassInstance(item.PropertyType);
PropertyInfo[] itemsubclassproperties = mapper.GetAllProperty(item.PropertyType);
foreach (var subitemproperty in itemsubclassproperties)
{
MapperInfo subitemproMI = mapper.GetMapperInfo(ds, subitemproperty);
if (RefletUtil.IsBaseType(subitemproperty.PropertyType))
{
object subitemproValue = subitemproMI.HasExtend.Key ?
subitemproMI.HasExtend.Value.Invoke(itemsubclassInstance, new object[] { subitemproperty.Name, subitemproMI.SourceTb.Rows[l][subitemproMI.ColumnName] }) :
subitemproMI.SourceTb.Rows[l][subitemproMI.ColumnName];
subitemproperty.SetValue(itemsubclassInstance, Convert.ChangeType(subitemproValue, subitemproperty.PropertyType), null);
}
}
item.SetValue(instancesub, Convert.ChangeType(itemsubclassInstance, item.PropertyType), null);
}
}
RefletUtil.AddObjToGeneric(instancesublList, instancesub);
}
property.SetValue(instance, instancesublList, null);
}
}
RefletUtil.AddObjToGeneric(instancelList, instance);
}
}
