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发表于 2012-11-13 08:48:12
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1判断语句! P/ W4 m5 v7 Z) O) `. U8 a
if <condition> then
8 x: r# a2 p/ R/ z" Z9 T" V <statement sequence1>;
" P' D! R. n) f6 E7 \, @ elseif <condition> then
+ `$ T+ T1 b' o0 [& B <statement sequence2>;4 q! c, E6 h3 x! n E7 b
else 8 L! K! U+ ?, ~
<statement sequence3>;5 f- u2 O7 Y; \
end;) l) P, z; ~# c0 g0 J# u% s4 R
如果分支比较多，用：2 n8 e+ @$ s7 b9 D- @; q1 v
inspect <expression>
% Y! j1 d" H. b3 V" i when <constant_list> then4 b: C* K! I+ g- k, t
<statement sequence1>;2 I* f, W7 ]& w" |
when <constant_list> then
; y# @ ~1 _( c8 }& c$ I! A7 `* m <statement sequence2>;
; \5 L7 @: R7 Q8 v ...+ K7 L) `, m1 {: g$ p2 Y
else
* ?! |; D' e b* k8 A- f) {. f <statement sequence3>;/ ]) {# _- y2 E. H8 e0 V- d
end;
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2循环语句) [8 ~$ H. H* E( u2 ~3 @5 n
(1) from <statement sequence1>
7 ?: N6 a# Y W0 R# n until <condition> loop
3 K5 A. r8 W% o7 b6 P4 o# L0 r7 Z <statement sequence2>;+ b5 I( K) w, w# H x/ U2 o
end;7 j, R: Z6 b0 T7 C
(2) while <condition> loop
" N4 N ~* c$ |5 i$ A& G, F$ G- G' X <statement sequence1>;0 e% B8 u! @! P. Z: m6 P$ ^
end;
5 d0 U( O- K7 l (3) repeat
0 }! Z& d* i8 | <statement sequence1>;. _0 m5 ~8 `( L1 e" X
until <condition>;
$ Z$ `$ E0 N# u- z (4) for <condition> to <condition> loop
9 _% _2 o" m$ f$ H4 r5 f( f <statement sequence1>;
: E' Q. a- ~$ C7 h! K; } next;
( J2 ^$ L t+ j3中断语句( F: U6 ^; j7 y; J/ f
waituntil <condition> prio <integer expression>;
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1 V# n; H* K4 w& k9 n以上为常用的函数！% Q9 `# i5 J6 t6 O3 d* q. x4 d0 A' N
还有很多，如有需要我把资料发到你邮箱里
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