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发表于 2012-11-13 08:48:12
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1判断语句 z2 n% D9 w3 `
if <condition> then
: g- F2 K9 P; i0 A D4 q9 u/ @ <statement sequence1>;
7 I% q7 `* k3 {9 \ E* e$ F elseif <condition> then: f+ A* [3 d/ ?2 o
<statement sequence2>;
% }+ C* a B% d3 p else + |. `- o% G3 c) k* {
<statement sequence3>;6 e* b5 v- K7 U2 N& X
end;
7 T2 {- D1 E# Z4 a如果分支比较多，用：5 I! x1 s! I4 j A0 B6 x
inspect <expression>
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<statement sequence1>;" z/ C- \: V- X# c* P' E
when <constant_list> then
" A7 W C5 V8 j <statement sequence2>;
4 X1 i7 r* z) p d2 u. D" Y ...
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<statement sequence3>;
, X, L1 A( E& g1 X8 [end;
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2循环语句
! S3 f# [9 W1 T @0 r (1) from <statement sequence1>
/ l6 c! ^+ z8 \) D until <condition> loop
" X* K$ I* E! W5 S) H <statement sequence2>;* d, `5 ~9 D' T) z$ m! V+ O
end;6 }; s0 A" m8 q: B+ A/ i% N" Q
(2) while <condition> loop0 m: _8 U4 o* _, k3 {1 F* d# Q3 S
<statement sequence1>;
! @2 V4 {/ m3 D) p8 @4 d end;$ Y- ]! c! v! ^- Y i( m3 P# m" Q
(3) repeat % P' D1 G3 u& D& I3 f
<statement sequence1>;
5 |: V5 y; i4 k1 x. I0 {9 X7 ~# b' p until <condition>;
( ~7 J: c, @( A$ v# y% x (4) for <condition> to <condition> loop
$ O/ w( _3 r! X6 ~ <statement sequence1>;# b; Q/ X% V2 {+ Q
next;9 t' O6 m J" L0 M
3中断语句
+ E: V; F6 A! ?2 t waituntil <condition> prio <integer expression>;
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5 Q& S8 o9 U Y3 z. [以上为常用的函数！/ z5 \. u7 u( ~( r" H
还有很多，如有需要我把资料发到你邮箱里
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