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发表于 2012-11-13 08:48:12
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1判断语句! t# y6 O8 M) C. f! k. J
if <condition> then g: K6 h1 D2 [. y$ Z2 q
<statement sequence1>;
- D! M2 ^8 B, w# u- g! { elseif <condition> then
+ l& i% q# B4 z4 {* o8 z/ x8 R2 m <statement sequence2>;
' G4 ^; R, p2 D3 _ else
4 L. O7 I& ~! p+ a, I& K! c1 H <statement sequence3>;1 U v2 ]( b& S
end;
9 m/ R `: a3 U. u7 p如果分支比较多，用：& s, F0 @; z3 f$ U7 [# s
inspect <expression>. r' v0 e# z5 ~3 O/ a
when <constant_list> then& E5 \2 R2 ~' \8 X
<statement sequence1>;5 u1 e A5 k* j a
when <constant_list> then0 H$ M3 n/ x) [$ i5 b8 @
<statement sequence2>;& W& S+ P- `: O
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else
) Y H! M |5 r% m: T <statement sequence3>;
2 u9 r5 Q8 _. ]: z0 I1 A2 Eend;/ z6 Q5 l3 Q! S, p! R
w) _- H% g: N( u2循环语句. x" M$ c6 E5 z, x: D2 P
(1) from <statement sequence1>
' X# Q4 A- }& |, m' r0 P1 t until <condition> loop
, a3 K/ i. i+ w9 E <statement sequence2>;1 r6 t. i: _7 M: Q; m7 D& v2 x
end;
1 K, `0 j* O$ y# B: M. x* e (2) while <condition> loop2 ?" U$ Y8 p5 v
<statement sequence1>;& d% D6 N8 n+ F- N
end;
& I! W; F. l( x" U0 Y (3) repeat # O; s$ l% r6 b. g7 S) f# C, w, b9 `. i
<statement sequence1>;
- z0 \, m2 N2 I: I0 i. I, [ until <condition>;
' z2 W0 w+ s% K; F; w: T (4) for <condition> to <condition> loop
3 w- J9 e7 Z8 {) d# u <statement sequence1>;& s4 G2 w5 ~* R4 T
next;
9 W0 Z" }, u# K, q9 _3 ^3中断语句
7 L1 M1 n+ l& h D! s# j waituntil <condition> prio <integer expression>;
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! N: @ ]3 k1 }: o D! ?- e以上为常用的函数！+ q2 L/ t5 a$ ^, h3 D- R
还有很多，如有需要我把资料发到你邮箱里 . Y0 U6 G' I( h# i
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