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发表于 2012-11-13 08:48:12
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1判断语句! t* y0 E6 R) F7 j3 ~( C
if <condition> then
- h$ X; V6 A' D. F! V <statement sequence1>;
) C6 M0 g9 V( o' S" G" S elseif <condition> then) w0 t4 X+ D/ m4 F1 F% H
<statement sequence2>;
+ X$ d/ \) |; ?. q0 {3 ~ G- ` else
Z2 M( K( I) F6 b/ \ <statement sequence3>;, H1 `* m* i9 t! A6 I+ A
end;. r! g: ?7 F$ O k2 N9 `4 i
如果分支比较多，用：! d, d. J) u2 y3 W; c' W$ X$ z8 W" x
inspect <expression>- n0 X+ B4 a4 q; R/ ^) u& z
when <constant_list> then
6 g ?/ t& o5 @, D4 w3 _: y <statement sequence1>;9 I- V. G6 O. m6 ?- M( h; \$ {
when <constant_list> then
: L: T; V E0 i' c. O0 _, n <statement sequence2>;
1 d' a4 x, \: _, l" j$ o6 ] ...
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<statement sequence3>;- s+ T; v# e6 \
end; c) N9 {& r, d# F! f# m
9 w0 w* O4 P1 P- f0 h8 W2循环语句
* M) n# Q! h7 t4 B (1) from <statement sequence1> Z- D- i! B$ [
until <condition> loop
3 b9 N/ t- y% ~ <statement sequence2>;- G) ]4 A. u; A' E0 t Y& P/ w
end;
9 Q" S. z3 `0 E1 ?0 k% x% k6 _ (2) while <condition> loop
* i/ I( @5 p' G* ?2 ~ <statement sequence1>;
; Y# `$ A8 o3 ] end;
: e2 y5 W/ z; U, [3 U, `0 a, [ (3) repeat 1 g6 U# V( J" ?' O
<statement sequence1>;& \! a4 D7 a* V1 @
until <condition>;! e$ x: B5 Q, ^7 V( [* g' k
(4) for <condition> to <condition> loop
. a* G8 H; H X <statement sequence1>;4 g# x h2 T1 E" q& h6 {9 j* m+ b
next;1 `2 N$ N( @9 ~- J$ p" {
3中断语句
6 ?2 r- l Z) m9 T `, q+ ] waituntil <condition> prio <integer expression>;
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: r' C* u6 K3 }( n以上为常用的函数！
; C+ H2 X$ d% l: X" X. H& {8 H还有很多，如有需要我把资料发到你邮箱里
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