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发表于 2012-11-13 08:48:12
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1判断语句6 d+ J! c% M! `7 O; ]
if <condition> then' h8 b* S! A" A- F4 L
<statement sequence1>;
$ }: d5 s% ~6 \6 B% C- w elseif <condition> then, w4 C+ i9 o/ l4 z1 |
<statement sequence2>;, [# N: g2 l/ X" ] _# `* M
else
8 G) ]( G: M8 d- S9 t) r" h% j4 \ <statement sequence3>;+ Y6 x7 q( L4 ~$ |
end;
, M! ~& N( R; u1 g如果分支比较多，用：
% O. H7 ~: j( _ inspect <expression>
. c/ B0 H- w, B9 k8 _7 c; }) c7 Z q when <constant_list> then
0 T4 Z. ~: L2 I+ E" L; g1 [3 w <statement sequence1>;% H d; o$ M" Y7 `4 V# l% j
when <constant_list> then
/ Q# D1 o1 g) S' E# ] <statement sequence2>;# x* A" {5 p/ l& [5 j: o S
...
+ N6 d! K- e$ d5 i' s; T else J/ j$ x! ^) T* x8 y/ C, ?) O0 A
<statement sequence3>;
0 r, F w3 D6 Q* [$ E7 J0 E* r1 r- Eend;6 T) r8 b u' ~
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2循环语句- m. |& `- b1 H/ h/ H1 L- T
(1) from <statement sequence1>
8 g& R D9 Y* r5 q9 j until <condition> loop
0 h) i0 s1 x: ]& w4 n1 d' I) J' m <statement sequence2>;
% N0 a. }+ n+ M, V& K; o end;4 L. B9 E s, t3 U' o
(2) while <condition> loop/ ~" p; }9 [: N l2 g6 o
<statement sequence1>;
. ~( f! B+ ]7 J1 A0 i+ I$ G end;
( X/ A2 k2 n, b0 D( X$ R) ? (3) repeat
: v' B7 t9 |. [4 j+ B <statement sequence1>;
" r% g: M. s5 j% E: ?5 N$ L until <condition>;4 c6 C' T$ U+ q, w" W/ g6 v
(4) for <condition> to <condition> loop6 M- ^- ^/ d* H1 ~
<statement sequence1>;! [3 D" y" u7 k C1 d% h
next;
" J6 d! E3 g# P2 o3中断语句; i& b. Y8 h! S9 B1 [6 _5 ^
waituntil <condition> prio <integer expression>;
( I2 ?4 p3 \- P/ Z
% ?: B9 r1 \1 L; e- [$ H0 _0 b
- z+ x, @3 q% a& `4 p以上为常用的函数！
+ ~5 k4 M! d3 C5 B; P R l4 W E还有很多，如有需要我把资料发到你邮箱里
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