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发表于 2012-11-13 08:48:12
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1判断语句
7 ^# q6 L9 {, }8 a6 Y, ] if <condition> then8 H( V! V5 g r
<statement sequence1>;
2 V5 W5 Y3 e6 v/ l4 S4 y elseif <condition> then
2 f" U6 G' g, {# |( B <statement sequence2>;1 F* r; c' r( }
else
+ ~+ m7 `! Q8 F, a) i <statement sequence3>;/ m7 g8 K8 Q4 F/ r3 ~
end;3 F- L" m/ `: \3 Z+ T. S N
如果分支比较多，用：
5 _) u. p9 J: _+ M) ~6 e inspect <expression>* E8 L y' K, a' B4 H
when <constant_list> then
& E2 v: g1 }5 K3 C0 l3 W1 [ <statement sequence1>;) c3 ?1 B X# k3 g4 e0 X# r
when <constant_list> then; c M- b% P2 P2 t1 l! c* [
<statement sequence2>;
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else7 H" x9 b. l& B- L8 Y
<statement sequence3>;7 x5 w" U% t* ~3 @
end;
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; z5 d' p6 Y+ q, a) S" _# ^- h2循环语句
3 g3 Q+ s- d9 b- v; J/ z7 F4 m (1) from <statement sequence1>
/ _0 ^$ e+ E/ H) g# l9 y( O until <condition> loop# q, d- L/ w8 H3 t, i
<statement sequence2>;
5 O; W6 `* V6 O* `. Y$ n end;0 \' j3 c8 c/ {" i, o$ X$ B/ O
(2) while <condition> loop
2 {3 r7 ^7 q; a+ v& t <statement sequence1>;
/ N3 W+ i* {. U/ r+ m" u end;
- P5 S: U6 J; j6 g& } (3) repeat : K( n; w9 Y! }7 u: T
<statement sequence1>;: n. N( y( s4 G7 z! c( a
until <condition>;, s- i0 m$ j( Y" A7 {
(4) for <condition> to <condition> loop# X; d* q+ n3 g6 E5 n8 I" |
<statement sequence1>;' S; @; e/ a# j+ c: X6 ~# n/ I$ W
next;
; [9 k% }; z7 m& Q1 s! c7 K* r3中断语句; C p) R$ b2 H' J, p) ~" P
waituntil <condition> prio <integer expression>;
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7 u7 A, A. b: J5 D* d4 w( Z以上为常用的函数！; ~" i, i: @' W. x
还有很多，如有需要我把资料发到你邮箱里
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