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发表于 2012-11-13 08:48:12
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1判断语句
4 y/ i. z' h+ }. y) T if <condition> then
+ o1 I! b" Z9 b5 e$ _5 X <statement sequence1>;0 \7 S) E) p, V% v
elseif <condition> then
: n+ B* i" \! B. k8 x! W q. J% N <statement sequence2>;
" z/ s; x3 w& g7 E6 n& ? else
! c6 c1 k& c) D- t <statement sequence3>;4 ~' ]+ J& H9 F# b" e6 G
end;
% Z- k, T) S2 [8 u# }* l6 Q如果分支比较多，用：! t& I; k3 I) }* C4 G5 Z
inspect <expression>
- C C$ s# H9 @. { when <constant_list> then$ R7 b. b3 S# u# m: R" G- S* E7 [$ O
<statement sequence1>;& i0 w1 V0 p, Y) q
when <constant_list> then
. {& _ g; i- J# G <statement sequence2>;
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else
/ l e! d" ?5 g) s* e2 n$ d <statement sequence3>;9 f! t# H8 ~: B0 F, X
end;
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2循环语句0 V& o% W d; R5 \% O* L) U9 Y6 c9 E
(1) from <statement sequence1>
' v' a' r) p: S; |4 E* L/ Q8 F until <condition> loop
2 Y) M* o/ M: g' }( O; |) [ <statement sequence2>;* g" W g3 L- u2 e3 J; V" J( J
end;. b1 I: C+ Y# p$ \9 @; S# |: [
(2) while <condition> loop, x+ T( B7 M; A9 _6 E+ ?/ i) M
<statement sequence1>;8 H# H- v2 k/ ^( a: M4 L
end;
6 `; }' v: ?7 n (3) repeat ; f R! Q* h" f& ]; @
<statement sequence1>; n$ w9 q0 X9 \) L
until <condition>;
8 {0 C. M) i- z8 M0 Q) g5 X (4) for <condition> to <condition> loop( S1 E h) w' r% E1 n
<statement sequence1>;' c, u! b+ R0 Z. Z
next;
2 v9 B8 Y* U1 `* h, T3中断语句$ N! d# ^ J! }. R# v! u* ~. `6 V
waituntil <condition> prio <integer expression>;) }3 [! |- T1 m- S3 _
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( B( V8 y% y& [6 W( g a9 ?8 f以上为常用的函数！
1 w! D- Y8 m* S4 R. ]2 i2 O还有很多，如有需要我把资料发到你邮箱里
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