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发表于 2012-11-13 08:48:12
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1判断语句
( R2 D) ?/ W! U# \3 W0 x if <condition> then
5 L% w4 U0 S0 q) J3 Y' P <statement sequence1>;
% r/ c- S7 x$ N m4 G$ `, K+ Z4 } elseif <condition> then
/ ]& @; D: a7 `( L; E <statement sequence2>;8 K7 b9 i$ D6 q/ @; [
else * X* B3 j! F: x1 I" n# ~
<statement sequence3>;: R) e3 [1 D" @) | q
end;2 j: a3 c1 p% u1 Y8 H
如果分支比较多，用：' A0 v, [! S9 C8 e/ j
inspect <expression>
( q# [& y* ^$ O: M- ]! U. ] when <constant_list> then
0 m7 d% D: T& O! J- j+ q. e; S0 ] <statement sequence1>;3 D" [' ^3 n8 U( X' b
when <constant_list> then$ A) }$ w v# B, B
<statement sequence2>;
2 W2 j+ q8 a1 G! h ...
+ a, p; e) \) _% O! A2 s else
9 Y4 T, E6 e2 l k2 ?% | <statement sequence3>;& s/ L7 i. f* i. m+ w+ l
end;! Q3 P0 E+ C5 Z8 h+ q; z, t9 A
) C6 P4 Q3 U* _# V' M8 o1 ^ j2循环语句# q9 a2 H, a* X7 i
(1) from <statement sequence1>& j0 V. ? a" ?& z9 a' v2 C
until <condition> loop
& z% C- X- X& r& ^8 a$ Y% ] <statement sequence2>;6 I+ j1 e* ^- t; [
end;
k( D5 o. L/ v9 R (2) while <condition> loop
8 S) e) k* v5 V" e <statement sequence1>;
_+ k7 }( n# s8 H; ]' ~ end;8 u% Y8 a" v+ |+ R& \% N
(3) repeat
: N6 T# u( B% o2 p# \ <statement sequence1>;$ B+ |9 x6 H) ~2 ^1 P
until <condition>;
9 b. ~) ?# L9 B, W1 [# ]) a3 G, n (4) for <condition> to <condition> loop0 c m9 M! K. c z4 V1 ?( w
<statement sequence1>;2 h/ _$ z2 G4 N1 Z; u. ?5 l
next;# C2 L& s7 ` p1 ^( A. V+ O8 d7 p
3中断语句
* }" H3 x/ t2 Z waituntil <condition> prio <integer expression>;& z, }! q3 q" C( G
?$ A ~! }( l; B3 \
7 O9 P- b3 ]; I以上为常用的函数！
" ^% B0 X1 ~' }9 h还有很多，如有需要我把资料发到你邮箱里
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