除第一行/最后一行/列之外的表单元格的jquery选择器

:not() :first-child :last-child

$('table td:not(:first-child, :last-child)')

$('table tr:not(:first-child, :last-child) td:not(:first-child, :last-child)')

 $('#table_name tr td:not(:first-child)').each(function () {
                    $(this).html('<input type="text" value="' + $(this).html() + '" />');
                });