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发表于 2012-11-13 08:48:12
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1判断语句
- L* B' }1 ~' t) g& e1 |5 ^! @ if <condition> then
0 T& |: w" }. T' L& X <statement sequence1>;* S' p8 i6 V! Z6 \: o" o
elseif <condition> then& p, P+ G" B8 q) `' \
<statement sequence2>;; D' o D- ~6 D; P8 K; I/ D% {4 R
else ; U1 u5 a. H6 A; C9 s9 V9 w% c
<statement sequence3>;
0 x! w9 @! T7 R1 c end;
2 m& @ u) \0 p7 \3 x% f5 I% J6 @1 g如果分支比较多，用：! m* q; @; n7 g, `3 C
inspect <expression>
- c$ b- [; d) E* g# u$ s' b$ V1 C% z when <constant_list> then
1 r7 Q; q2 a* E+ G" |6 D <statement sequence1>;" n8 |8 N! A/ e. N8 F! K3 w6 p
when <constant_list> then
! _; ^8 F) V2 b1 A1 z( m' D <statement sequence2>;
1 k/ t3 G% C' v2 Q ...
/ K* `9 m3 E9 W7 U' j3 c% J else
1 k& l3 h2 K% Q4 u/ ^ <statement sequence3>;% D9 _% [* j1 [, _
end;) z& g6 U- O4 E& b) N) W
: m3 K9 R, s. H& G9 d2循环语句4 A2 I8 Z. x6 u, Q1 n* a
(1) from <statement sequence1>
( e2 F2 h) ^; j/ d; t K# t until <condition> loop
# ]& o. H: C2 B2 ], {2 r <statement sequence2>; _+ o% w6 j7 M$ p* o$ b! N8 }
end;
7 g# E5 G( z1 z, Q2 \0 \ (2) while <condition> loop3 c, f+ m& A" ?9 Z' B4 b
<statement sequence1>;
8 H$ O0 K: d& z* h, x* n/ e9 W! o( V end;+ N' h( z5 C1 \5 l! H) D! J4 J* [
(3) repeat 9 j- g2 ^2 n, e! F* Z: r) i
<statement sequence1>;
& l+ _$ W9 I8 e7 f0 B until <condition>;
2 ?* ~* { k" f! l (4) for <condition> to <condition> loop
- j0 F/ j2 g7 J. L <statement sequence1>;( i1 P8 L3 Q b2 f7 W' m" i% k1 B
next;
; V9 ^- Y4 O' q: G" l3中断语句
- i) E; g! y; i8 `. ~6 m7 W waituntil <condition> prio <integer expression>;! }$ H$ v5 _6 o" |; W
( w6 Z. |; }& O$ c
$ Q8 z; Y# F: M A以上为常用的函数！
# V" _- |; v$ p还有很多，如有需要我把资料发到你邮箱里 - q' z5 i5 K. H# z0 }3 h
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