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发表于 2012-11-13 08:48:12
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1判断语句& u9 P; q& {+ P) e: [
if <condition> then
) ~; @1 u+ n4 q$ O: _- ]: D& S* ^9 P <statement sequence1>;
( u+ g: g% X+ v% K7 y elseif <condition> then
: V1 ^% _$ P; t <statement sequence2>;
+ l# U2 z! t; T/ O, y3 Z" |+ x% r else 3 e/ X3 D& K) ~) [5 t1 b
<statement sequence3>;% U! N6 z8 O. a% S) A+ D
end;
7 K! L4 ]! y! E: f) K如果分支比较多，用：
) l1 [4 d* u/ v5 k& \ inspect <expression>
) u, {$ X R1 l+ h9 g# M- ` when <constant_list> then
} @/ |( j2 h# ~+ l. @) Y, _ <statement sequence1>;
: b P- V' p8 x- M when <constant_list> then
# ` m2 [5 w( V# n% Z4 w <statement sequence2>;* L6 c$ c* X {
...
! j6 g+ h7 m" v; M& P/ o else
& C' x! j1 e9 ~/ C <statement sequence3>;
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2循环语句# }2 z0 X5 t2 h
(1) from <statement sequence1>; }8 J, R- s& Q* x) y
until <condition> loop+ o: T; W& @1 V5 `6 t/ A
<statement sequence2>;: f) h1 \" f0 [- \3 Q) h
end;
) R2 }' U5 U$ K$ \5 w, }- z (2) while <condition> loop, |$ P2 H# ~( g, H+ `, O& V. h
<statement sequence1>;
/ _* K+ H# M5 k8 Y end;$ C" p, V6 D0 U0 ]) r
(3) repeat
, ]/ X3 d; ~( W <statement sequence1>;& N% A- B1 H4 E' U! L7 [* h
until <condition>;6 M5 L6 J- |4 q( X
(4) for <condition> to <condition> loop% G4 P) E7 K9 F+ e* G3 B
<statement sequence1>;0 ^! `, d$ R- S1 R5 ~
next;
/ ^ |+ A$ u, Q6 C3中断语句9 k( Z" E9 n3 s! ?% V/ D8 i( r
waituntil <condition> prio <integer expression>;
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" e; U$ S) S0 J# g
( D0 H% k, E) S# X! T, V7 O以上为常用的函数！7 }( x6 ?0 N8 b! _' \$ [/ x
还有很多，如有需要我把资料发到你邮箱里
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