public static string CompareModelToLog <T>(LogModule action, T newObj, T oldObj = null)
where T : class
{
var result = string.Empty;
if (oldObj == null)
{
result = string.Format("成功添加{0}！", action.ToString());
var props = typeof(T).GetProperties();
var idprop = props.FirstOrDefault(o => o.Name.ToUpper() == "ID");
var id = idprop.GetValue(newObj, null);
result += string.Format("{0}Id:{1}{2}", Environment.NewLine, id, Environment.NewLine);
foreach (var item in props)
{
var attr = item.GetCustomAttributes(typeof(OperationLogAttribute), true).FirstOrDefault();
if (attr != null)
{
var attrObj = (attr as OperationLogAttribute);
object value = item.GetValue(newObj, null);
if (attrObj.IsDict)
{
switch (attrObj.Source)
{
case DictSource.InDBSysDict:
SysDataDictionaryDAL _dal = new SysDataDictionaryDAL();
_dal.GetExtModelByDicSN((int)value);
break;
case DictSource.Prop:
var titleProp = props.FirstOrDefault(o => o.Name == attrObj.Prop);
if (titleProp != null)
{
value = titleProp.GetValue(newObj, null);
}
break;
case DictSource.Enum:
var enumtitle = attrObj.ShowDicts.FirstOrDefault(o => o.Contains(value.ToString().ToLower() + ":"));
if (enumtitle != null)
{
value = enumtitle.Split(':')[1];
}
break;
}
}
result += string.Format("{0}:{1},", attrObj.Title, value);
}
}
//new
}
else if (newObj != null && oldObj != null)
{
result = string.Format("成功修改{0}!", action.ToString());
var props = typeof(T).GetProperties();
var idprop = props.FirstOrDefault(o => o.Name.ToUpper() == "ID");
var id = idprop.GetValue(newObj, null);
result += string.Format("{0}Id:{1}{2}", Environment.NewLine, id, Environment.NewLine);
foreach (var item in props)
{
var attr = item.GetCustomAttributes(typeof(OperationLogAttribute), true).FirstOrDefault();
if (attr != null)
{
var attrObj = (attr as OperationLogAttribute);
object value = item.GetValue(newObj, null);
object oldValue = item.GetValue(oldObj, null);
bool isEquals = false;
if (value == null)
{
isEquals = value != oldValue;
}
else
{
isEquals = !value.Equals(oldValue);
}
if (isEquals)
{
if (attrObj.IsDict)
{
switch (attrObj.Source)
{
case DictSource.InDBSysDict:
SysDataDictionaryDAL _dal = new SysDataDictionaryDAL();
_dal.GetExtModelByDicSN((int)value);
break;
case DictSource.Prop:
var titleProp = props.FirstOrDefault(o => o.Name == attrObj.Prop);
if (titleProp != null)
{
value = titleProp.GetValue(newObj, null);
}
break;
case DictSource.Enum:
var enumtitle = attrObj.ShowDicts.FirstOrDefault(o => o.Contains(value.ToString().ToLower() + ":"));
if (enumtitle != null)
{
value = enumtitle.Split(':')[1];
}
break;
}
}
result += string.Format("{0}:{1},", attrObj.Title, value);
}
}
}
//update
}
else
{
result = string.Format("成功删除{0}！", action.ToString());
var props = typeof(T).GetProperties();
var idprop = props.FirstOrDefault(o => o.Name.ToUpper() == "ID");
var id = idprop.GetValue(oldObj, null);
result += string.Format("{0}Id:{1}{2}", Environment.NewLine, id, Environment.NewLine);
foreach (var item in props)
{
var attr = item.GetCustomAttributes(typeof(OperationLogAttribute), true).FirstOrDefault();
if (attr != null)
{
var attrObj = (attr as OperationLogAttribute);
object value = item.GetValue(oldObj, null);
if (attrObj.IsDict)
{
switch (attrObj.Source)
{
case DictSource.InDBSysDict:
SysDataDictionaryDAL _dal = new SysDataDictionaryDAL();
_dal.GetExtModelByDicSN((int)value);
break;
case DictSource.Prop:
var titleProp = props.FirstOrDefault(o => o.Name == attrObj.Prop);
if (titleProp != null)
{
value = titleProp.GetValue(oldObj, null);
}
break;
case DictSource.Enum:
var enumtitle = attrObj.ShowDicts.FirstOrDefault(o => o.Contains(value.ToString().ToLower() + ":"));
if (enumtitle != null)
{
value = enumtitle.Split(':')[1];
}
break;
}
}
result += string.Format("{0}:{1},", attrObj.Title, value);
}
}
}
return(result);
}
