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发表于 2012-11-13 08:48:12
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1判断语句
6 A3 X8 ?' i" a9 S' x, c/ i7 e if <condition> then
0 R8 D% W2 {" J4 [. V, n$ J <statement sequence1>;+ f; y! w1 }* ^+ S7 f9 V
elseif <condition> then; P# n4 j: ?/ q% M; K- i2 a$ Y O: y
<statement sequence2>;1 C# o+ U' W$ E _/ X- h
else 5 F3 H5 o# a {8 |
<statement sequence3>;9 c2 M* K% d+ t/ W6 x8 P- Z
end;; J# H4 X1 @& f# l. [, Q, X
如果分支比较多，用：* C$ Q) Q+ n. e
inspect <expression>
" S2 ?2 \) n" ~; S& a- p2 n when <constant_list> then
1 L/ s. H6 J" u- E <statement sequence1>;0 S1 l: H5 L' O, e& m2 B+ O) E4 x: K
when <constant_list> then% R! k0 x p; q; S9 \1 W; j* P
<statement sequence2>; y- E% \1 x* X4 f6 \
...: D3 q: h5 V G$ ~
else
( i% W, D# Q- i1 }4 S <statement sequence3>;
7 R6 j$ m6 |9 d2 Rend;
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1 j$ \- e# T, T$ X: i2 p2循环语句
6 P8 Q h' W4 C) K* a1 @4 m (1) from <statement sequence1>* V& i" C5 R& Y P
until <condition> loop
+ P% l; J+ S! n2 j9 x2 X- ^2 } <statement sequence2>;
h' P- N1 {" _& D end;
! v5 w; @4 C6 \* [# d: |5 ` (2) while <condition> loop
8 R* N1 [2 O# T& _# K <statement sequence1>;- G7 Y8 W$ ^; |% F
end;5 h6 z! ]1 k0 s
(3) repeat $ i1 m# }: E; ?0 p- x
<statement sequence1>;
8 [# T* U0 r: r/ O" i until <condition>;
# \' Q+ r; x" Z! c (4) for <condition> to <condition> loop
% D* ?) _8 V" s+ [' p: O <statement sequence1>;5 f: J. m3 u% b1 A; _7 V
next;
/ k& b) T1 g z0 Y1 g9 n! k, n3中断语句- m+ N$ m/ Q2 |( }
waituntil <condition> prio <integer expression>;- f! H c3 x: A2 B* A
" f. Z) S" b$ `0 \8 V: [# I% ?
q& }( j' g ~8 `
以上为常用的函数！
) p& v4 d$ T# B还有很多，如有需要我把资料发到你邮箱里
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