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发表于 2012-11-13 08:48:12
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1判断语句5 Y8 A7 g# F3 f
if <condition> then2 K. |% g7 T5 l5 p2 B' `
<statement sequence1>;6 h4 ]4 C, \8 d
elseif <condition> then; }& X$ O- K( D" U/ G
<statement sequence2>;! W0 H* |5 V" Y. F" ^- R
else
$ W5 F; ]% O4 [' \: n <statement sequence3>;
7 K) a9 f' ? t5 i6 T end;
$ ?+ F% k8 \) l: l, Y% K) k如果分支比较多，用：7 Z* ]; L" H- d, c: H
inspect <expression> _" d; \3 g% J7 Z; A
when <constant_list> then
3 w5 q1 y i# A X R) @- F6 p0 ` <statement sequence1>;
- @- D l2 o- H: I3 Y when <constant_list> then5 W, @: {; m" g" _4 N5 q
<statement sequence2>;
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else9 Y+ n# W( ^9 p- `
<statement sequence3>;5 P: u) t7 D" r8 N+ q" z w
end;
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2循环语句
* h0 p6 q& H: n7 r e3 B- s (1) from <statement sequence1>
K$ m1 h( }9 e) z/ U until <condition> loop) h0 G/ Q' P$ I/ m" s
<statement sequence2>;9 N6 V) l' j5 x! I, P
end;
8 g2 v. K5 W, d$ {! c' d0 M (2) while <condition> loop
% i ]4 e9 X0 @; P! i3 M <statement sequence1>;
8 y, ~( F. m4 n end;
( h) B8 \2 `" q: Q( m (3) repeat 8 G. w; J4 d& }7 I
<statement sequence1>;
" J% G$ d4 r% y) \. Y' f1 ]0 E until <condition>;3 L. }2 z" p! f. D; P
(4) for <condition> to <condition> loop
^) ]3 R1 g, s! @: V2 m9 e <statement sequence1>;7 `6 K P6 B$ a1 R5 R$ c' `$ Y
next;
' P: X7 y; N' E2 [9 c3中断语句( {. l; K7 ]' \9 J
waituntil <condition> prio <integer expression>;% s' x/ n5 s5 Q
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: C, {9 k3 V: `( }! b7 s* S. g# F以上为常用的函数！! s J3 n) U* z) V* p! B" k+ j
还有很多，如有需要我把资料发到你邮箱里 5 s8 k8 F$ N) D4 J
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