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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
. A+ K3 Y8 h: o J if <condition> then: \9 S' ~& B, S7 X. f' p
<statement sequence1>;9 C9 W3 C1 H3 ?, o7 ^
elseif <condition> then
- q8 ]; _% {; q3 [* N: @ <statement sequence2>;
; F3 _5 a( E/ c% A& X else
5 L `6 g; _* A W E; ~% ? <statement sequence3>;
: A" h8 O# D) n+ E0 K; S end;, ~% B* r# d- b
如果分支比较多,用:
1 F/ q2 ~8 \: E. g$ f3 t inspect <expression>
9 y+ e+ ` B, n, V9 R; r6 g& c9 \ when <constant_list> then# M3 l1 ~* b, [; H3 D4 Z' W) S. }9 [
<statement sequence1>;
. |, m' O# r* l2 L4 m4 J when <constant_list> then
9 O$ M/ O/ N5 ^5 s5 Z( M$ p <statement sequence2>;1 G2 N b- `8 J' K
...4 J2 M+ j! f) Z
else
B/ E7 i/ a# `0 Q `2 q5 k3 G! Y <statement sequence3>;7 n0 ^+ ]4 S' G. d% D% u
end;
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2循环语句
! @4 U/ v- P. a* ?, W: d% z8 ` (1) from <statement sequence1>* H+ \* y5 @# K \+ e. m
until <condition> loop- ]0 h# S k# O; V3 \3 n9 Y, E' Z
<statement sequence2>;
9 C6 e$ P2 N9 z6 T& I9 b end;9 p, }/ l( P* b1 S
(2) while <condition> loop$ Q4 I4 E: }; _: G& v4 Z7 C
<statement sequence1>;/ g4 z5 {0 z7 N$ i% p, D+ k' d
end;- N" H+ I- J: @
(3) repeat * c9 T/ `3 B+ V6 c9 z
<statement sequence1>;" u4 s9 n" v9 Q+ i7 V6 K, e; ^- G% \% F
until <condition>;& Z( O+ \+ l/ b, h, B3 f; ?4 ^
(4) for <condition> to <condition> loop' C8 T3 [" ]- `1 d4 g
<statement sequence1>;
5 W, v5 d6 d* d! x8 Y" }2 g next;
/ \* p" e! y% ^% ~# W' o3中断语句
k+ Q @& G: g! N9 i* F, G$ ` waituntil <condition> prio <integer expression>;% W0 p+ _5 P3 Z4 I
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, n" \1 K; O4 C2 l3 O+ a以上为常用的函数!* V3 W! I+ H& T
还有很多,如有需要我把资料发到你邮箱里
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