internal ParameCollection GetUpdateField <TModel>(TModel obj) where TModel : IModel, new()
{
var c = new ParameCollection();
var fields = TypeCache.GetProperties(typeof(TModel), true);
if (obj.GetChanges().Count > 0)//按手动指定更改
{
foreach (var item in obj.GetChanges())
{
var key = item.Key.Replace("$", "");
var f = fields[key];
if (f == null)
{
continue;
}
if (f.IsPrimaryKey || f.FieldType != Attribute.FieldType.数据库字段)
{
continue;
}
var value = item.Value;
//如果表示值为被追加 名称为$name
//使用Cumulation扩展方法后按此处理
if (key != item.Key)//按$name=name+'123123'
{
if (f.PropertyType == typeof(string))
{
value = string.Format("{0}+'{1}'", key, value);
}
else
{
value = string.Format("{0}+{1}", key, value);
}
}
c[item.Key] = value;
}
return(c);
}
//按对象对比
var origin = obj.OriginClone;
if (origin == null)
{
throw new CRLException("_originClone为空,请确认此对象是由查询创建");
}
foreach (var f in fields.Values)
{
if (f.IsPrimaryKey)
{
continue;
}
if (!string.IsNullOrEmpty(f.VirtualField))
{
continue;
}
var originValue = f.GetValue(origin);
var currentValue = f.GetValue(obj);
if (!Object.Equals(originValue, currentValue))
{
c.Add(f.MemberName, currentValue);
}
}
if (c.Count() > 0)
{
CheckData(obj);
}
return(c);
}
