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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
4 Y8 n! d8 p* P |# M if <condition> then7 X$ I, N! e/ L* Z% A0 F) X" Z8 ^
<statement sequence1>;
) f/ R8 u, v9 B. b elseif <condition> then4 L4 M4 Q5 K4 d+ V$ S4 t
<statement sequence2>;) a" G6 s& _8 H: L/ a8 h3 o6 E9 M- V
else 1 l; ?5 i6 L0 B5 \
<statement sequence3>;; I) a5 Q* ^+ ~4 i; |1 E
end;- |3 r0 n5 F7 ]8 e$ l
如果分支比较多,用:0 {/ |+ K# r0 P, }) i6 }% a
inspect <expression>( M7 T6 H) n$ W( g- c. _! G- z
when <constant_list> then1 _/ t1 b. t9 w2 n& U# e3 E
<statement sequence1>;
* ]) r u7 A7 P3 [6 u o when <constant_list> then ^; F1 w6 n9 X, f! R1 \+ ?+ f
<statement sequence2>;$ H8 v, t" S8 ?
...
& E0 H0 N! K2 Y. } else, D) D5 @( R+ V
<statement sequence3>;" v8 E* P4 f( S+ o% A# `
end;
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& R( S7 c0 B% m2循环语句$ x3 F# Y, x: \- H5 i7 [: s! W. ]
(1) from <statement sequence1>
7 k& X# A4 ]- L- g until <condition> loop4 X d: g. ~* f1 \' d1 k) }, i
<statement sequence2>;5 Y: g8 g9 c% [5 L' z V! V5 {! J
end;, s; V7 B/ |& X; {# @
(2) while <condition> loop7 {( r6 Z* y! h8 D1 T
<statement sequence1>;5 P! Q( N9 k* ~ L' _& S
end;
6 v4 h3 K- s: h, W( W, v# O (3) repeat 8 r0 |9 L1 N2 h/ }: `+ L* U1 `8 ~
<statement sequence1>;
9 z2 `7 J- w$ M& q9 m1 g k until <condition>;
; ?- G+ R8 g/ c$ b (4) for <condition> to <condition> loop6 r& }! ?4 I0 C+ x
<statement sequence1>;
* N) g/ c( f6 x5 @ next;
4 B+ L' S# c4 b8 d: s3中断语句' ?' H, O/ L/ ^7 w( l
waituntil <condition> prio <integer expression>;4 S$ S- q/ L- v& n3 r
8 u* {/ _1 D+ ~
8 i) Q1 @* ?* Y" Q: X0 ~以上为常用的函数!0 j; N# x" f" G. @6 @
还有很多,如有需要我把资料发到你邮箱里
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