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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
8 T# j( d# ?4 R! }3 h+ i if <condition> then+ ~! z1 d* t# v5 Y
<statement sequence1>;) X9 m$ x0 r" |. Q1 ?3 |0 S
elseif <condition> then
' W' e F: r+ A2 I, U0 g! s <statement sequence2>;% b1 k8 {0 ~0 @. u6 ?" {% \. W
else
: j. |2 {$ [! x% n* K3 \ <statement sequence3>;* Z, [( U+ d. {" _+ b% ^0 D$ F
end;3 f5 f% @6 z+ G" d; P
如果分支比较多，用：- E" O$ y, u) D5 ?, r1 w
inspect <expression>* N. G/ e; D, s( n4 g6 [( F. @5 D
when <constant_list> then0 W$ H: ^/ _0 w( X! A" W
<statement sequence1>;
# W( ]$ b5 ~4 E" M' F, v r when <constant_list> then1 p3 k* c, G# o
<statement sequence2>;# T3 R5 T* [5 d- @& f- K; W
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else6 l6 _8 M2 F8 A# v. [5 x9 q
<statement sequence3>;5 V/ N% l8 b6 }- y7 b7 @1 p0 i
end;
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2循环语句/ e! b0 z2 K1 E) @8 N2 F$ g( l# d% O
(1) from <statement sequence1>+ d7 V: P. e \+ i$ D" a" v2 l
until <condition> loop( F" L7 _+ `) W1 B# l% k2 v) R& p
<statement sequence2>;2 \. G' U0 c; g4 a+ O# P1 ~. L. @2 l
end;
6 L# q! c7 Y6 D8 U ~+ w& P; ? (2) while <condition> loop! [' F# p9 t- O/ o% p. r4 r) ]+ Y
<statement sequence1>;
5 F/ G& E+ `2 `9 W2 U0 s. | end;
" S, p$ j3 Z$ j8 t (3) repeat ' ]3 N5 o, w/ ~: F( F% I L: `3 g" y1 Y
<statement sequence1>;
3 ^ n7 x# p- c; J& d6 H until <condition>;0 _: X3 j$ F" ?& a3 b
(4) for <condition> to <condition> loop
6 E2 ?8 t V, e <statement sequence1>;
, G" E4 ^' F! I% {& g. y. a9 x5 Z X next;4 G8 [5 x& b2 s+ w' v: F! d1 g% Z' I
3中断语句
# N9 a" M8 l/ |- _ waituntil <condition> prio <integer expression>;9 ^/ ?! g- ^+ [
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以上为常用的函数！3 U a8 [" N- a
还有很多，如有需要我把资料发到你邮箱里
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