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发表于 2012-11-13 08:48:12
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1判断语句1 K) y& H5 U9 L( f
if <condition> then
" @" q2 |9 n: Z, A( x, s <statement sequence1>;0 B( S$ K7 p6 E" x& E1 c
elseif <condition> then6 w/ e1 x; K$ x% X7 _0 U% m. U! ]" G
<statement sequence2>;2 R& `3 u% c# P Y+ n6 R8 ?* {
else
8 M- Y% M s: r4 g; P0 M <statement sequence3>;* R2 R$ X0 D* ^! V
end;
( O. r+ S5 Q% {, ?, B如果分支比较多,用:& K9 n: k; t% Q
inspect <expression>
9 ^7 N: }9 Y4 p8 w* r. c( l \/ ^ when <constant_list> then
5 Q0 O; `4 e* @- b) I8 s <statement sequence1>;) M# B7 L# o' s* i
when <constant_list> then. ~) Z4 V1 J1 m/ x h; v
<statement sequence2>;/ }" S1 W& p7 H' V9 G
...
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<statement sequence3>;
! J/ e5 a+ e) ~6 i, y+ mend;
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2循环语句/ O& J; m) C- o/ S. m' w
(1) from <statement sequence1>
$ w' Y3 I: [4 R/ G until <condition> loop
w. h+ P( e: Z$ U6 u5 N& I$ e <statement sequence2>;
4 n" l6 v" H! M5 r, o, \ end;" X1 n( G: p4 g- V7 k/ M
(2) while <condition> loop' J2 C' g4 Z1 @( B5 q, V# f* T
<statement sequence1>;
+ w6 ~5 O0 {1 z/ q end;, N! [5 n) }8 I! F7 o; d
(3) repeat
: o2 B8 L- |0 ?; u6 s7 E <statement sequence1>;% G% i9 p+ ]+ M R3 f5 c
until <condition>;1 D5 R8 \0 R7 ^# o/ N
(4) for <condition> to <condition> loop
5 m" W# b- R w+ F# Z <statement sequence1>;
7 U" v5 l- |+ L1 [8 v" A9 s next;
# F& e, h8 A6 ~1 Z! {0 S0 ^3中断语句
/ i0 M7 D6 _/ t waituntil <condition> prio <integer expression>;
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以上为常用的函数!- N- G- t3 u* B* k" h
还有很多,如有需要我把资料发到你邮箱里
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