//获取配置的列信息。
private ModelMappingInfo parseMetaData(Type t, ModelMappingInfo m)
{
#region 字段信息
PropertyInfo[] pinfos = t.GetProperties(); //所有的属性
m.FieldPropertys = new Dictionary <string, FieldPropertyInfo>(pinfos.Length);
foreach (PropertyInfo pinfo in pinfos)
{
ExclusiveAttribute eattr = Attribute.GetCustomAttribute(pinfo, typeof(ExclusiveAttribute)) as ExclusiveAttribute;
if (!Object.Equals(eattr, null))
{
continue;
}
ColumnMapAttribute cattr = Attribute.GetCustomAttribute(pinfo, typeof(ColumnMapAttribute)) as ColumnMapAttribute;
if (cattr == null)
{
continue;
}
FieldPropertyInfo fd = new FieldPropertyInfo();
fd.PropertyInfo = pinfo;
fd.PropertyName = pinfo.Name;
fd.DeclaringType = pinfo.DeclaringType;
fd.FieldName = cattr.ColumnName;
fd.DbType = cattr.DbType;
fd.DefaultValue = cattr.DefaultValue;
//}
//else {
// fd.FieldName = fd.PropertyName;
// fd.DbType = DbType.Object;
// fd.DefaultValue = String.Empty;
//}
AutoIncreaseAttribute aattr = Attribute.GetCustomAttribute(pinfo, typeof(AutoIncreaseAttribute)) as AutoIncreaseAttribute;
if (!Object.Equals(null, aattr))
{
fd.AutoIncrease = m.HasAutoIncreasePorperty = true;
fd.Step = aattr.Step;
m.AutoIncreasePorperty = fd.PropertyName;
}
m.FieldPropertys.Add(fd.PropertyName, fd);
}
m.PrimaryKeys = getKeyColumns(t, m);
if (m.PrimaryKeys.Count > 1)
{
m.IsMultiPrimaryKey = true;
}
else
{
m.IsMultiPrimaryKey = false;
}
#endregion
return(m);
}
//获取实体对象的所有列
private List <string> getDbColumns(Type entityType)
{
PropertyInfo[] pinfos = entityType.GetProperties();
List <string> columns = new List <string>();
foreach (PropertyInfo pinfo in pinfos)
{
ColumnMapAttribute attr = Attribute.GetCustomAttribute(pinfo, typeof(ColumnMapAttribute)) as ColumnMapAttribute;
if (attr == null)
{
continue;
}
columns.Add(attr.ColumnName);
}
return(columns);
}
