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发表于 2012-11-13 08:48:12
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1判断语句 ~3 W+ }% u5 H! Q; V
if <condition> then, Z( G, ]3 u+ K; X; R
<statement sequence1>;0 K) v& Z, V* d; f6 W
elseif <condition> then) A. ~2 V# s1 y# i' A% P
<statement sequence2>;5 B; Y8 Z7 u8 Y$ Q& z
else R7 H5 Z7 m! z2 m8 P1 }9 A0 {
<statement sequence3>;& g$ @0 K* e# k% {
end;9 Q% s* u# E. l! u+ C8 }$ n
如果分支比较多，用：
5 n$ g7 n" R4 F inspect <expression> X: {5 o% d0 E5 \$ i( \ T8 {
when <constant_list> then
) d5 n- g5 F& G1 J% ? <statement sequence1>;8 {" P: G+ r! K% z O) u: U7 Q
when <constant_list> then+ j- b- a+ t2 ^ x$ T
<statement sequence2>;# q, `$ M0 z8 m" i& K/ V3 N. Z' Q: L
...
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<statement sequence3>;3 k- X- e+ Y/ o: v4 h' q
end;! j+ j* v9 P, p7 D" N0 H7 j3 k
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2循环语句9 Y. X; @4 v3 J! z7 M
(1) from <statement sequence1>
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6 Y8 w& l% s4 G' `+ ^* C <statement sequence2>;" y! b% |6 P! o) U
end;
. z+ Q l' ~: v9 ` (2) while <condition> loop# B2 ^. v0 Z$ X8 G; f ?0 H( ^
<statement sequence1>;
2 \9 q: Z. `' d3 z8 m- {( U& I end;
; j5 Q8 E1 l3 d" h (3) repeat ' x: m) ? o& E9 Q$ r9 G$ z
<statement sequence1>;
* S4 d; d% s/ y$ j/ s0 c4 f until <condition>;5 N: E, R' K9 k. R
(4) for <condition> to <condition> loop
# |6 t; F \/ e' Z% \/ n <statement sequence1>;
1 Z U/ M0 ?: U next;
6 u& i) f" l! p- D: Q. ]3 F3中断语句
/ ?) l) x! B7 R waituntil <condition> prio <integer expression>;/ {& Z+ \2 [* v5 e- A- f& K" M
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以上为常用的函数！
. Z3 C+ a) q) m' O还有很多，如有需要我把资料发到你邮箱里
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