declare namespace jnb = "http://ociweb.com/jnb";
declare variable $jnb:pi as xs:decimal { 3.1416 };
declare function jnb:fib($i as xs:integer) as xs:integer {
if ($i = 0 or $i = 1)
then 1
else jnb:fib($i - 1) + jnb:fib($i - 2)
};
jnb:fib(3), jnb:fib(4), jnb:fib(5), $jnb:pi
re:>
3
5
8
3.1416
[节点和节点类型 ]
一下两个作用相同
ex:><greeting from="weiqi">Hello, World!</greeting>
re:><greeting from="weiqi">Hello, World!</greeting>
ex:> document {
element { "greeting" } {
attribute { "from " } { "weiqi" },
"Hello, World!"
}
}
re:><greeting from ="weiqi">Hello, World!</greeting>
