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发表于 2012-11-13 08:48:12
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1判断语句9 Z: I) J+ i3 J% [3 X+ d) T
if <condition> then3 s* [9 \* N- I. n3 Z
<statement sequence1>;0 D& @* P" _. v2 |
elseif <condition> then
9 @' d' U; f- K+ `8 b! k <statement sequence2>;* K: J0 c- @2 H/ d: h
else ) K* }" b+ k/ S6 F
<statement sequence3>;/ X7 i& a& U# t4 r4 ?& t
end;
) {" E1 X* S" u如果分支比较多，用：; L5 W* z! \0 z3 k
inspect <expression>
X* H( X1 z$ ~5 E; ?- L3 { when <constant_list> then
! ^# F; u7 L( P$ Q- _& l <statement sequence1>;
/ L; i/ V0 Y. N$ t) H when <constant_list> then
+ [- B7 K6 ?/ L# y6 w( ~; Y <statement sequence2>;; @. D8 ~# `3 V! P" ?' H/ ]$ Q
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else
7 `( I: o$ u P <statement sequence3>;. ~$ R: S% X6 n& {' Y/ f6 N
end;9 K+ F/ ~7 X k5 O# u; u
- D2 P+ b! `# N# ?1 F2循环语句
7 G) H$ Y3 x) ] (1) from <statement sequence1>' ]" e* z/ H/ K3 T+ v1 `5 c
until <condition> loop u6 B/ O& P9 \9 T
<statement sequence2>;
& e) b* K6 y1 Z. t0 M% k; o end;
; a6 |- `/ v4 F8 v5 \. E* S" E8 B* y (2) while <condition> loop& ^) s/ ^( T: i- y: {! F: D& g
<statement sequence1>;$ u# N5 n1 H# g
end;
/ m* e- }, A7 H" _3 ^) P7 a! M. y (3) repeat
# y( a q& T" @ ^- X4 T <statement sequence1>;
5 Z# a. ~$ T4 X, J until <condition>;! i, y9 z! c5 z' }$ _) M
(4) for <condition> to <condition> loop
, c8 O3 F* b( L& _/ z3 y <statement sequence1>;
* l0 y4 n7 \6 }- M- b% M i( _# V next;
- i+ F3 x+ f1 U4 _5 ^+ j3中断语句
3 L, p0 O0 U8 p waituntil <condition> prio <integer expression>;/ t ^+ H" `! z" \& ]: {# d7 E
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_5 }/ i+ { J7 V S以上为常用的函数！
- m+ N8 c0 t5 z6 p6 U9 A% h还有很多，如有需要我把资料发到你邮箱里
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