protected override SqlCaluse Select(ParameterExpression exp, SqlCaluse sqlCaluse)
{
var t = exp.Type;
var props = t.GetProperties();
sqlCaluse.SetTableAlias(t);
var alia = sqlCaluse.GetTableAlias(t);
foreach (PropertyInfo item in props)
{
if (item.GetAttribute <IgnoreAttribute>() != null)
{
continue;
}
var col = item.GetAttribute <ColumnNameAttribute>();
if (col == null)
{
sqlCaluse.SelectFields.Add($"{alia}{item.Name}");
}
else
{
sqlCaluse.SelectFields.Add($"{alia}{col.Name} {item.Name}");
}
}
return(sqlCaluse);
}
private string CustomHandle(MemberExpression exp, SqlCaluse sqlCaluse, bool aliaRequest = true)
{
var table = exp.Member.DeclaringType;
sqlCaluse.SetTableAlias(table);
var alias = sqlCaluse.GetTableAlias(table);
var attr = exp.Member.GetAttribute <ColumnNameAttribute>();
if (attr != null)
{
if (aliaRequest)
{
return($"{alias}{attr.Name} {exp.Member.Name}");
}
else
{
return($"{alias}{attr.Name}");
}
}
else
{
return($"{alias}{exp.Member.Name}");
}
}
