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发表于 2012-11-13 08:48:12
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1判断语句6 _) G5 M2 o9 n# @0 I M, L3 e
if <condition> then! P# P! t) {( L. l5 D; a7 ?
<statement sequence1>;
2 Q6 r: D6 Y3 w. A3 T; l, ` elseif <condition> then
# l4 g9 A7 x5 v <statement sequence2>;# K! T+ W2 w+ r! R
else : ^. m9 G) f3 E) _
<statement sequence3>;7 I: B1 d: F8 r" y: z4 H, h: N$ O
end;
( E2 w$ k. S3 M6 T! V, z( p如果分支比较多，用：: E7 b/ [! c& z2 e
inspect <expression>
6 b$ y5 T1 Z$ x N. D5 @ when <constant_list> then
% V8 q$ N: X2 O# F; [: L0 l- s& K <statement sequence1>;3 e/ h z7 T8 l) U1 ?. `4 W) I
when <constant_list> then- u8 V6 q# ^' k& s
<statement sequence2>;
3 [% I6 d, a: n% I) K6 a, P ...
% J! Q# M g* i( A" P5 h else+ }- ?; D4 b3 g d$ Q+ |
<statement sequence3>;0 X& x9 M8 k, E4 o3 b
end;
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2循环语句
0 k# h' q1 ]* ~0 v (1) from <statement sequence1>
% ^* [- O7 V% K7 g. `; c9 r" Z2 j until <condition> loop
) f+ `7 S0 [/ v3 s* I4 h <statement sequence2>;
2 ]0 M% Z6 O/ e: X+ }" q4 j* M end;# O5 X) k0 G$ _9 F3 ?& X' _9 G
(2) while <condition> loop
3 L2 I% f# l5 w) X <statement sequence1>;
3 R( K9 @7 b1 w, _( L. p end;" h, I, C9 w+ w0 R
(3) repeat
( Y& M/ |& H% L# S0 D' | <statement sequence1>;4 t8 w& N% L) k% H! ~$ b. N# o# v
until <condition>;9 J" t, d3 b W2 V
(4) for <condition> to <condition> loop3 S$ U+ ^. }0 m( w
<statement sequence1>;4 l) U9 Q7 b( A2 \ [! y& i, u
next;
/ q2 z# ~! _1 x1 U! z3中断语句) u) Y% T& [' y- R
waituntil <condition> prio <integer expression>;1 v, x! m: T, ~, M! h
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' m6 Z* N( ^! e以上为常用的函数！% I9 C6 e- u F7 r
还有很多，如有需要我把资料发到你邮箱里
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