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发表于 2012-11-13 08:48:12
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1判断语句
: r- J( t* Y& w9 ?+ ] if <condition> then
7 a. c) |5 t% q4 Q, L <statement sequence1>;
3 f. S/ g. e8 I4 r2 u5 `" o elseif <condition> then9 F8 p8 z1 y" T
<statement sequence2>;2 c8 H2 f" \$ ]# \9 \$ P+ j
else $ K* A J7 I* v* |
<statement sequence3>;
( T* T1 h, G0 X1 P end;
) J- [0 k K4 }/ E8 H5 K" l如果分支比较多，用：# z! h$ g" s) O9 T/ r; |. h
inspect <expression>1 {) l1 G* n% ~* t, j7 z! Q: f
when <constant_list> then
( c# \2 _ Z3 Q0 Z; I <statement sequence1>;
4 v9 _% q C& N8 E& [ when <constant_list> then; `. [. {1 x: t- ~( i: Z
<statement sequence2>;5 y) q8 p0 }5 b% o, h3 k
...
# d% f8 h2 r5 _! N1 E+ u else
$ l G2 e a j! m6 d, G; t <statement sequence3>;
2 t% P# w( t; [, y9 Nend;
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2循环语句 i' X" i7 V! H# @/ M. H/ J. U% `
(1) from <statement sequence1>
7 ?: h) H% y# t' @' \$ O: e( c until <condition> loop
8 q5 B# x* j, f <statement sequence2>;
' l# V; b: B0 \8 G end;
% U5 O4 u( a) y4 W4 e C9 V# a (2) while <condition> loop' m- `6 {& F( v
<statement sequence1>;
5 d, t* R- t0 f! Y/ x end;" w4 ?" p$ ^/ y n, m0 Z" I
(3) repeat 8 |6 X. k, I/ W: D: p
<statement sequence1>;
; v" p* S- ^. M9 K! k/ r+ a until <condition>;7 {) [% T8 M- w3 m
(4) for <condition> to <condition> loop7 x1 b; O- V5 A& L6 r
<statement sequence1>;% b8 J& m% {% o- k6 h1 t& |
next;
* H) I( o) v2 L; _, q. S* L( ~) b3中断语句. _7 k) D8 b, m+ O# x
waituntil <condition> prio <integer expression>;
# }* l# S' P+ l" }8 d1 D$ h) {
' V7 H' h1 p* d( S7 I- @2 m6 S, ?1 t) c6 D# @7 e/ t/ n6 F
以上为常用的函数！
/ w$ M# o0 d4 e- s还有很多，如有需要我把资料发到你邮箱里 4 Q9 c' A6 @" _3 f3 ~( z* w) V
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