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发表于 2012-11-13 08:48:12
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1判断语句+ E5 W6 ?1 _% d" @/ N3 _! {
if <condition> then Y5 K- u" P+ B: h, w& L. B
<statement sequence1>;. N5 x. v/ @9 T* i% x
elseif <condition> then8 i4 P2 w( t4 G f
<statement sequence2>;
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<statement sequence3>; K8 b: B8 R: N
end;
* H- F5 c& M3 t7 O* q3 T如果分支比较多，用：4 [; h" x* v3 f! B) C2 B
inspect <expression>/ L( U! o/ x! e3 {( Z1 n
when <constant_list> then
$ R& [; R7 z3 G. F; K <statement sequence1>;2 U! P; G5 Q; V5 g3 T" c! r: n/ h
when <constant_list> then0 z% K$ s6 ? |. [9 D Z% N/ h$ `
<statement sequence2>;
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else
# N4 m; ~1 i8 A6 w7 \# I <statement sequence3>;
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2循环语句7 F6 B* { Q" o5 i6 @. F( C
(1) from <statement sequence1>
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# L/ d4 b. D. x <statement sequence2>;5 P6 J# s4 h K
end;+ ?* K) U0 ]% C; G7 f O6 ?3 a9 E
(2) while <condition> loop# k& g f8 c8 n. W! \
<statement sequence1>;7 [3 F5 G9 D' K0 V3 s1 X( Q& l) L
end;: t$ E7 m1 Z" F+ {% f# m+ P
(3) repeat
9 j9 p' C# a9 o1 z9 ?3 v) X% X" e- Z <statement sequence1>;
- k2 S( U. k9 `( B until <condition>;
, ]$ T/ p2 @- t$ c (4) for <condition> to <condition> loop2 M4 A+ X5 W% [% N
<statement sequence1>;
: ]( y2 Q3 {" q$ H. e next;
9 J, L+ M5 b& K) X/ z# T! s1 {5 v4 _3中断语句0 Z* e$ J! K" T! k1 i
waituntil <condition> prio <integer expression>;
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) u9 p# T, n* R) c7 J) X以上为常用的函数！
2 j4 {- ?2 [1 J, d" K' r! a5 d {9 b还有很多，如有需要我把资料发到你邮箱里 8 V6 R; x: g7 D% t+ I. e. k
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