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发表于 2012-11-13 08:48:12
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1判断语句$ S' n% N3 z$ N$ O O5 b u. Y
if <condition> then
" {. J, `: v+ q A <statement sequence1>;
* o. b& F, w! A9 C( R7 p- D6 r6 y elseif <condition> then/ X, {) c) m% @; U7 @
<statement sequence2>;
8 L m% J" U- j# s else % d/ y. `) E4 r( e6 v" M4 Q& o
<statement sequence3>;
$ N' {# z' h+ d7 k/ [ end;
* y3 [2 Q, Q! V7 D; K如果分支比较多，用：/ {6 P- K, i& f4 F
inspect <expression>9 N3 F0 ` a) S6 V( ]5 p
when <constant_list> then& i6 \3 O' v" H5 w& Q
<statement sequence1>;4 ]; ^' ~/ x0 ~3 g) z! c
when <constant_list> then
6 R$ y+ ]5 I2 z' E7 c; T <statement sequence2>;
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else/ q6 S0 Q: ^! {; t0 q1 t; b
<statement sequence3>;
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2循环语句
1 |% d; l/ ?. P (1) from <statement sequence1>
|, N) c. |$ A+ U: X4 ` until <condition> loop
h7 ?$ E' s% [ <statement sequence2>;
1 G3 C, L/ s# y. u) F4 B2 P end;
% h+ b5 |: t7 Y; E/ p (2) while <condition> loop
|4 }. Z" d& n9 Z8 h3 [ <statement sequence1>;4 c8 _3 H4 q- O6 a. ^
end;9 ?6 p' C# ]9 ~8 t6 L; d+ x2 w* c' X
(3) repeat
9 K0 m3 s G* C1 ^$ }" N <statement sequence1>;
+ D+ a) ~3 @9 O, x! z& @ b until <condition>;, v. _ C7 [1 K; e6 Z
(4) for <condition> to <condition> loop
) z/ G* ~* i% Y2 k0 [: f <statement sequence1>;
0 ~0 _, g3 m/ H) `0 D( Q+ o* t next;2 ]& T* v) C t: Z% r& h. y6 u
3中断语句
1 `7 F! _; M$ C( C7 m# I waituntil <condition> prio <integer expression>;
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以上为常用的函数！! d; l! R) ]/ u- k3 `4 R
还有很多，如有需要我把资料发到你邮箱里 " Z, j7 M5 m8 e: x# ^0 ^/ m* m. Z
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