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发表于 2012-11-13 08:48:12
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1判断语句8 {& _2 w% A- _( ?
if <condition> then
3 m/ S4 `' H5 z% U8 K. h8 o& @ <statement sequence1>;
/ o8 c# r% M9 l. U4 z elseif <condition> then
* ^/ D3 `0 @& y$ F! X$ Y7 S <statement sequence2>; g+ P. Y z$ b5 }" t( m
else
% t- Z1 Z& F/ g b( C <statement sequence3>;/ W7 o1 v; |% w0 `+ s& y
end;
2 q- P* e. z" X: v如果分支比较多，用：' [, X. W% L+ A3 z+ n
inspect <expression>
6 a- H0 c, C- O& U" y7 _ when <constant_list> then
' Z6 Q1 X4 H& b- ^' W: E8 w <statement sequence1>;$ v9 Z! C8 q! S) D* g
when <constant_list> then: b. M8 A h" F& R/ |
<statement sequence2>; H9 s* z0 u4 R! ~" ]+ m+ h. Y1 X
...
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<statement sequence3>;
# D( E/ |+ Y" e# O3 C& ?9 M% O7 F% _end;
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; ?6 F1 h# J" \9 i7 |! g4 k. S2循环语句) u/ ~" B+ I8 z H9 D( |9 r
(1) from <statement sequence1>9 n, [- k n3 s1 C# Y% q H
until <condition> loop
& Z& [# ?( U( e* O& T/ [, u( j" j <statement sequence2>;, u, B5 i# q. a$ l+ N
end;- w/ S. Z0 N5 D5 Z& M/ C
(2) while <condition> loop+ s P, o4 m1 k4 f) {; g+ i
<statement sequence1>;0 X' c3 G) ^& F2 d
end;
. s9 O' D" ]2 y* w1 L: O (3) repeat & W/ e) L$ p2 |$ P# H
<statement sequence1>;0 r, p0 q* u3 A, K7 t# y
until <condition>;
: Y% k' P! X$ S; H0 g (4) for <condition> to <condition> loop, T) ~8 y& T# O: T: q: n6 N! J
<statement sequence1>;
, j8 [, v, |4 ]4 a! w next;0 @6 ]1 _9 ~4 ^ r& y
3中断语句1 `) ] M( ~$ U
waituntil <condition> prio <integer expression>;2 |6 I) I* S$ d$ L g% P1 r( e% A
) t* ?$ o# [$ S0 w3 F
! P3 X' T. b2 K1 D: s1 N0 H6 W6 K以上为常用的函数！
7 c9 l9 O8 T7 ?+ r7 C" q8 Y还有很多，如有需要我把资料发到你邮箱里
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