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发表于 2012-11-13 08:48:12
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1判断语句
- A" W( {4 v& C' Q0 R if <condition> then1 j) O0 z- H/ y, |0 Z
<statement sequence1>;! x \0 I8 H9 {( z
elseif <condition> then/ h% j0 l+ I4 \0 u; R
<statement sequence2>;- R* e6 { T$ ?* h9 ]; h% f
else " ~1 N% _4 }2 i& Z9 u0 X
<statement sequence3>;
5 }" {% D0 x6 R end;' F* z6 `* V# s g& `* T2 N
如果分支比较多，用：& @) y0 i* W' J c$ _ Y. P
inspect <expression>' j5 \# H) L% |9 j
when <constant_list> then: f/ h/ ~' l) Z8 Z" n5 D0 G. ^
<statement sequence1>;
! G' M7 }6 W) G# k& {9 {% Z' V* g. N when <constant_list> then
4 m( k- o- j' p <statement sequence2>;$ D4 | c( E2 b
.../ X+ R; E, q7 |, ]5 T
else/ G% {/ W2 g$ n4 I% e
<statement sequence3>;
/ P/ n( `( }: @7 P) K, @7 |" cend;# m7 ?% B5 u6 u
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2循环语句- }0 _2 f+ L0 _& ~/ N+ }
(1) from <statement sequence1>
: y& V9 }: m4 B1 n0 H1 w- g- Y until <condition> loop
0 l9 R( [) m k! k) U <statement sequence2>;
- \& N5 q% l1 } ?9 f end;4 S$ A- [9 ~$ ?. V# {
(2) while <condition> loop8 i+ P o6 K$ X# b! u5 S* {7 E$ \
<statement sequence1>;4 W5 Q8 S( |1 W e
end;. l& G/ i6 ]3 Q7 E# v
(3) repeat
& `# Y( {' p d) }5 a <statement sequence1>;
6 l. J, s# ?3 @7 _5 v until <condition>;: w/ y' ` `8 R9 ~2 y7 `: O
(4) for <condition> to <condition> loop
3 s! q9 u) B, Z' ]1 f; ] <statement sequence1>;
: X. {7 H, m/ J! e' E" O+ M& \ next;
2 h5 F3 \& t4 e" _3中断语句
' a) f. e2 j$ s5 b X waituntil <condition> prio <integer expression>;, m) Y, u: ~4 U+ v% Z% {: l6 ~
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以上为常用的函数！/ @9 H. o, a! B( ]. q" U0 Q
还有很多，如有需要我把资料发到你邮箱里
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