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发表于 2012-11-13 08:48:12
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1判断语句
$ S6 p" x( G$ m+ \ y9 X. ~ if <condition> then
1 f" ]3 ]) b) s% T' C <statement sequence1>;% b+ G* s& T9 O# L0 b5 C$ W
elseif <condition> then) i$ u& k8 s' p! q$ ]; }
<statement sequence2>;
3 r* c& r. }- ~, g0 W else
" ^; |2 B( B: X0 I/ ?) f3 g <statement sequence3>;6 q8 i" x9 o3 V/ C" w' J: f- e' f
end;% I, } l7 z( T
如果分支比较多，用：* q- h: ?+ N* q- l" J8 [
inspect <expression>
i/ B1 W7 y$ ~+ O9 J* I when <constant_list> then8 |' z8 Z/ ^5 D0 _4 J, J
<statement sequence1>;
* q1 J# I. |* l4 }) k& t when <constant_list> then
# S' W- ^, S. }+ v; [. I3 i& B <statement sequence2>;
" N6 x/ J* j# D5 q" D* {( c( C ...
3 l! g6 p0 @! Z# z4 h8 V else
3 V: \: L5 @ p1 q1 [; _5 k7 H <statement sequence3>;2 b r: e5 B' F( }7 }% L
end;
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% [. F0 R. V: x6 _3 R2循环语句/ G0 d6 O( f7 \5 C, }6 B
(1) from <statement sequence1> M. T3 _1 U* s' G- j7 G
until <condition> loop9 U! Q% `! z2 Q8 q
<statement sequence2>;
! l& C, r( J+ X4 ]# V( P end;" P: l: W; ] P
(2) while <condition> loop
; ]! I8 n: H+ |! l <statement sequence1>;
7 E* f9 k7 _6 G- d1 J: O. N. ~ end;3 w& F' w6 R# \$ k* \
(3) repeat % ^: T+ v! V6 O
<statement sequence1>;
- m' [! u! c( P6 O; s1 \ until <condition>;! Y# X' ?. r+ I# m) V, O
(4) for <condition> to <condition> loop8 F6 i1 U3 A3 k( t
<statement sequence1>;' Y5 |8 T. X+ [) q) E
next;5 V# U/ f* y5 x; A; N
3中断语句
$ Q- G) U! {* n' e' W3 }4 a) M waituntil <condition> prio <integer expression>;
% o2 h8 ]: l" A6 {$ b* x
5 i' J0 H5 H% M
, T/ U# @* S- k/ t9 L t以上为常用的函数！; E+ e# L# z6 @) R4 W% W
还有很多，如有需要我把资料发到你邮箱里
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