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发表于 2012-11-13 08:48:12
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1判断语句
9 i# H/ u1 N. K' w5 V9 u if <condition> then
/ V# r( ^- S& s0 [' |% |2 A, i# o- N <statement sequence1>;4 j$ D X8 P7 _( t8 ^( r
elseif <condition> then
* ~) o0 }! L/ l4 @. \) `- s% T5 \ <statement sequence2>;
- O# U+ L! |; n9 \' b( \8 Z else . A' T7 B7 W( Z2 _7 T( O
<statement sequence3>;
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如果分支比较多，用：* l U9 b3 l2 m; f. ?
inspect <expression>
& x4 Z5 T0 P, i when <constant_list> then* T0 W# D, f" |2 Q
<statement sequence1>;
6 j# ~7 _# G' [1 q* Y1 c! i( B1 s when <constant_list> then
" F1 {4 {1 c* U! O' P; t <statement sequence2>;
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else
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end;
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2 i1 u+ A8 L8 O. X1 `0 l2循环语句# d$ x0 \; X: E6 n" S3 y( N$ Z
(1) from <statement sequence1>, U# ^) ~! b0 G' l8 N
until <condition> loop* O. `. t' c j \3 R* |
<statement sequence2>;
* E) Z0 x4 a( H/ v1 [4 [ end; G1 P9 J7 K+ d3 L* c: q
(2) while <condition> loop
: h1 p/ @* x$ e( O7 Q+ n; [+ _ <statement sequence1>;$ _. R! K- b" W& j& D& V/ E
end;
% L, L7 G" T8 g$ \+ q2 S7 v (3) repeat
5 J6 I# G( A* E. E. s1 ?, S <statement sequence1>;+ K) o5 [. W2 W
until <condition>;
+ n1 {# v/ t9 ]3 p8 E+ z! T (4) for <condition> to <condition> loop
) h" Q8 L+ y5 [/ d7 R U; y p <statement sequence1>;! r+ W/ \) Y" u! W
next;0 N F1 \2 E$ Q2 l
3中断语句; l( L! z# o# `6 m2 b5 Z
waituntil <condition> prio <integer expression>;) G& g6 N4 {1 F6 Q) N c3 ?# t
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以上为常用的函数！) a. j! c) \1 B
还有很多，如有需要我把资料发到你邮箱里
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