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发表于 2012-11-13 08:48:12
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1判断语句' H" x; d0 m( w# Y
if <condition> then8 P3 S" y2 v- P* O# m" U( |
<statement sequence1>;
% x. E( g; x. G2 O4 e# }+ M+ s elseif <condition> then( Z# x) l* e. E+ A! f
<statement sequence2>;
2 f9 H/ E* c3 z6 |; j- [- z; W else
2 C- i, s- J1 C7 n! D% U <statement sequence3>;# `8 R8 x/ S5 L- |, B* v8 t- i- m w6 _
end;
1 K" F* P$ u( g+ D2 j( q如果分支比较多，用：
' H* H- D& [) C2 G+ g' I9 @ inspect <expression>+ A) b) \. ~# B& [0 k/ a
when <constant_list> then' [( f7 J. V. A: z: m
<statement sequence1>;
; J6 ?2 |# j% w L" \ when <constant_list> then
. ?, t( i% n2 l/ W <statement sequence2>;, ~2 [2 b; M8 R
...9 m. b% H [3 R3 L, C- F
else
1 S: S" k: q/ N <statement sequence3>;; }6 R5 U c' S2 P4 l
end;' k! U& E* j& P' Y
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2循环语句* B" f# c- V/ x5 f' f
(1) from <statement sequence1>* x% `& {- q1 C
until <condition> loop& Z6 m3 @. i0 K
<statement sequence2>;1 _: `( S9 c. `/ c" q" u
end;
. W, R. l, D: W6 v+ T/ n (2) while <condition> loop: W% T: p v: h3 z+ I
<statement sequence1>;
- |& ^$ A* i2 m. r end;- t b1 i3 \7 ?& M
(3) repeat / C' U- t% }- r6 h
<statement sequence1>;
# ?; k' {2 p2 ^1 _( I/ W7 G2 s( W until <condition>;+ @/ u. d4 r! d* Y/ m' y0 t
(4) for <condition> to <condition> loop, L* A, H+ ?8 F$ z; A
<statement sequence1>;; u7 H% d2 ` i9 e' Y
next;
. D' M h. t) F! b6 z0 `3 {3中断语句* ?" [7 {- i# E; B
waituntil <condition> prio <integer expression>;
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5 H% w: t+ m* y- G3 R" \以上为常用的函数！
* T- ~) {( O. ?还有很多，如有需要我把资料发到你邮箱里
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