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发表于 2012-11-13 08:48:12
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1判断语句# B1 Y J: O, y2 J
if <condition> then
) j$ s5 Z6 \9 l- d3 f <statement sequence1>;9 E# ?& V$ g" Q7 T* k$ `- O4 q
elseif <condition> then
% Q$ e; P: Q) Q$ k9 p" a <statement sequence2>;- |2 [: B% O. I- x" n: `9 M* e9 q
else 4 u/ I7 s0 c$ h. R$ m
<statement sequence3>;
/ k( D4 ?6 `1 y/ `$ A, V end;
7 l* g% o8 p9 ~! T/ R$ h* `如果分支比较多，用：" I; Z0 L) B6 }! ~
inspect <expression>+ D, d2 H7 j# _6 d
when <constant_list> then9 h$ E3 B& H( J! E9 b
<statement sequence1>;
+ l; I, E* u; w- W: ? a when <constant_list> then
1 T1 D) J* }5 Q. n- t2 h <statement sequence2>;
+ S" }! K, r+ f: f% R0 z ...2 l9 Q8 _3 D5 W$ L$ z+ T
else' v/ P! t' r& f0 ]
<statement sequence3>;, U' I8 }% ]) S2 p& Z
end;% T1 k# c8 S! c4 W. ?
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2循环语句' `/ ^/ Q* Y5 O3 i, q! |
(1) from <statement sequence1>
* I) o1 S1 ~( V- g until <condition> loop
& v, S- K2 d) v% e$ g <statement sequence2>;* P" L6 C- |6 j" f1 ]5 l& F9 @
end;; _( t+ D: N" |0 V
(2) while <condition> loop
% D. e: l" |) M. r8 {+ R <statement sequence1>;6 r5 P9 _( v. F8 w8 ~8 d8 R
end;( ?. I; K, G& b
(3) repeat ; n( d* z' ]# ]6 B
<statement sequence1>;
; H* h/ T$ @1 s2 b7 c2 {4 x until <condition>;
: E. n: f5 z. Z @ (4) for <condition> to <condition> loop2 W( q; n7 X5 Z1 k( d; W9 r& }* c
<statement sequence1>;
8 e! Y% {6 j3 C1 g' F/ ~ next;
$ s0 L. T6 Z9 U" s3 \$ W/ m. v, o3中断语句& m0 x2 a$ n4 `; }( h
waituntil <condition> prio <integer expression>;
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+ G! @% I' P7 I* ~以上为常用的函数！9 G( D, P! e* W) y) R9 ]
还有很多，如有需要我把资料发到你邮箱里
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