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发表于 2012-11-13 08:48:12
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1判断语句# I/ {4 o3 ]5 R, G/ V8 `& E$ V8 {
if <condition> then7 Y+ a( A% h% n3 U6 V
<statement sequence1>;
$ c) O* w5 `. z/ {& y: r elseif <condition> then
8 w) j2 L/ P4 E( K <statement sequence2>;5 O* ]# c" n& d3 V/ {
else
" b. r3 i. a6 _( ~/ m, |, c- r <statement sequence3>;
1 b) i. |5 ]+ E4 p end;
: r t/ R% M& O, ~1 p如果分支比较多，用：5 f3 \: a+ R: e' r7 |7 z
inspect <expression>* ] b( A& f# F0 i
when <constant_list> then v8 b) a3 {. e7 a* L
<statement sequence1>;+ R& Z9 ?% b. Q g" B4 y, E
when <constant_list> then
3 b& S$ n( e9 g' B9 e& a <statement sequence2>;% [7 _5 e- T. s4 T! R$ n3 ?
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else
# d7 |% |) T( \7 V+ p: ] <statement sequence3>;
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2循环语句/ Q# k+ z* \' `0 p$ G- D
(1) from <statement sequence1>' I$ U4 J' d/ |
until <condition> loop
+ H# B; N, l9 ]( z$ s8 i% ~4 t <statement sequence2>;
- _4 U3 t) ^ ^2 m, ~ end;
/ e1 L% S1 t3 N+ H% g (2) while <condition> loop
# A5 J8 A/ L' ~ <statement sequence1>;7 y' h8 W2 E K0 s3 s" U% `$ @+ h
end;
9 p9 R, X% Z1 E, `# E/ C. y (3) repeat & A+ j3 r5 ^9 R7 I
<statement sequence1>;
6 U) S4 L) J5 n. }2 u until <condition>;5 Q. C4 p0 G3 U) \# z
(4) for <condition> to <condition> loop
' q2 p" } l. T- D <statement sequence1>;8 p# H6 v, L3 Q6 x( G; L
next;3 F* R- A' j4 P4 l; F) n
3中断语句/ b0 o' g: {4 t A! K# K. W/ P7 _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 _' K9 D- D' e5 E: d! _
还有很多，如有需要我把资料发到你邮箱里
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