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发表于 2012-11-13 08:48:12
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1判断语句5 X+ E+ M: \, h1 @- C p
if <condition> then$ e$ ?6 r1 b5 x. n
<statement sequence1>;
+ t$ u h0 X' l0 U# F elseif <condition> then" A" B5 t) m& U* q% B @
<statement sequence2>;
M% d6 t1 v# } else ( d2 |- `+ \' }8 D$ ~7 ~" M
<statement sequence3>;
& n1 _2 |8 Y' w5 e8 F end;
8 O% `# t( k. [4 h7 b7 H如果分支比较多，用：& W$ j& k/ ?) }! y( c3 d \- A/ [( {
inspect <expression>
1 m- l* S" P s4 J$ `. H when <constant_list> then B5 l+ V1 W; d2 t' B
<statement sequence1>;; N0 ^6 d/ _, z+ K- i
when <constant_list> then
/ @4 b' ]' r9 g# Y <statement sequence2>;# g) r6 h( r0 l1 n- E% R, s3 k6 E
...
$ n/ e. {/ k, f5 l# F0 ? M6 a9 V3 I( } else
: W' j1 A) w Y7 N <statement sequence3>;$ O% H. F7 G* F! ~" c
end;0 J& P! f5 k2 P3 h
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2循环语句- Y+ X0 u0 G3 J+ s" |
(1) from <statement sequence1>
; E/ y* N& b U1 q* O4 N until <condition> loop
& S1 _5 ~% |) A <statement sequence2>;
& E3 t/ f3 a' m1 {, K q9 y& S end;
) F' J+ n, N1 s2 J0 p* } (2) while <condition> loop
( Q. Q% f2 @8 N, ~1 M <statement sequence1>;
+ y5 Z# |2 z- z) q K7 M; O( ?. |9 B end;
; `& K$ @" m3 w/ t# c (3) repeat
# | R' y7 @8 e1 \ <statement sequence1>;* o2 T( [ E7 s t$ f2 t
until <condition>;$ f$ g% l" L& a8 g5 ?" F8 W
(4) for <condition> to <condition> loop3 X2 E# g2 o% p* u$ R! V
<statement sequence1>;
e5 `5 e# n* e2 I next;
6 Q! t; g9 [4 I$ I8 k6 U3中断语句
* `! Q9 J' y2 q U; V" r- @ waituntil <condition> prio <integer expression>;
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+ f9 e# E& ]0 j2 t$ I
以上为常用的函数！% D4 x; N# V% g4 J- V# _# K
还有很多，如有需要我把资料发到你邮箱里 : E$ z( n' y$ ~
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