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发表于 2012-11-13 08:48:12
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1判断语句) t$ P: Z2 B) O* m' b+ x1 p
if <condition> then
( L" \$ g6 S! L6 H/ i <statement sequence1>;
8 v3 V) o& g, f- C: K# b elseif <condition> then
! E5 l( s5 _) l" S" {/ ?" n$ \ <statement sequence2>;: m4 R0 O" F! a6 b2 c
else 8 p/ f3 X, Y/ G( G* e
<statement sequence3>;
3 ^5 [( ^" P% E, i end;
! b% y' [( i# _3 b. x如果分支比较多，用：9 i7 k* u4 t+ ]$ Z9 p
inspect <expression>3 p2 `7 ]; P' u1 L2 g3 W" M4 s/ W' T2 |
when <constant_list> then% h, r. I' W8 m3 j
<statement sequence1>; P9 {3 C2 R) w8 h0 f: ~' c
when <constant_list> then" u" Q) v* n, a
<statement sequence2>;
9 B. t' u d; c ...
; }9 \4 E m* Z# N- N; i else+ }- n- n1 W% q4 C% _9 J
<statement sequence3>;
2 v& Z& k$ A0 Send;
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$ m, J& T, e/ F: O1 K% H: ?3 Z2循环语句, R* T) l0 I( X B! p
(1) from <statement sequence1>5 n! `, W c1 j- f
until <condition> loop( ]2 C( Y& F; t% b7 w. N
<statement sequence2>;
! Y. D* ~) U0 T7 L- L# n0 F end;
% g0 s) n# ?1 [2 f7 ]& U% [ (2) while <condition> loop7 E/ A |- z2 W
<statement sequence1>;
# Z; X6 a; J0 z+ f. J8 p" T end;
: R9 I5 D- K" x* e (3) repeat
1 H" I9 E% y/ m* F' A% ~2 K <statement sequence1>;
- A1 C6 e# o+ F: | until <condition>;0 G0 ~: d' a2 W# T2 q6 T/ n
(4) for <condition> to <condition> loop* y/ T" t0 }/ C6 j3 D% ^" N6 a9 N
<statement sequence1>;
8 |, ]$ s- `" W; ~ next;
% Z: |, g' G" L6 j B- a- w. y: i3中断语句% C3 [* _; e6 ~3 b# {
waituntil <condition> prio <integer expression>;! U$ |) {8 q3 [" b9 c" C) q1 Z
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* `1 K$ k4 |) E: L( Y以上为常用的函数！
, m# ~! t3 C! O" g7 C& j; Q; R还有很多，如有需要我把资料发到你邮箱里
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