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发表于 2012-11-13 08:48:12
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1判断语句
1 R" W$ y( @* P G6 g& V+ Y if <condition> then) v& ?/ F7 Z7 D, R4 x
<statement sequence1>;! ^9 g- S& e1 m$ q
elseif <condition> then
4 o0 X1 J2 B# V <statement sequence2>;( ]8 V# R3 t% U2 d: s, X
else 7 y6 D' G. {" Z4 {. ^( \
<statement sequence3>;
& k' X0 x& b1 z: I. z end;
9 Z1 M6 F3 T" y* O- n如果分支比较多，用：
: V7 v4 ^) z- G/ e4 p1 g3 I; K0 k inspect <expression>
. f0 Z# u" W, l% b when <constant_list> then
% R$ O' S8 K& o" `( ? <statement sequence1>;" p" s7 {" _3 H; w& d- ?, ^* ?
when <constant_list> then
& |& `& S( |& r7 P' `6 _, u! m <statement sequence2>;# u. H i# x$ |3 A6 @( D* Q8 o
...2 X- u0 J- Z2 a2 O9 c. A; N, j
else* E) ]& H5 @- G2 T* e) r. J7 g
<statement sequence3>;) e* E& C0 ~+ h
end;* Y6 J' r+ M# G: H* e! G
* E: E# k3 c% N4 e2循环语句
4 v7 \- Q; J3 k (1) from <statement sequence1>( |* ~- g% o: t$ T
until <condition> loop
+ Y$ B. g; N3 H <statement sequence2>;
! T7 O0 Z5 g0 l# R) t end;# [: X, Z5 M M! Y3 t
(2) while <condition> loop) H- q: x9 g8 r& E v0 g+ j
<statement sequence1>;& v& ^3 y# ?; R! ?1 ?0 x+ J7 p: g
end;
5 o1 q% @+ e! H1 B; L, q) | (3) repeat 8 ^7 Y/ |' K F8 Q+ ^
<statement sequence1>;
l/ i# k3 T; y* J, I/ j. }; Z, t until <condition>;& H/ f/ Z4 E2 d& Z9 h2 W
(4) for <condition> to <condition> loop! \( l3 |4 j3 B+ U
<statement sequence1>;
! \; A% G( m$ i: t2 r% K next; ]" i, W6 M$ J: g
3中断语句7 K, k9 s/ d) p1 v Z( W* D
waituntil <condition> prio <integer expression>;3 l4 M1 t; k2 y
* ]1 S" j+ y7 N3 U
* d( U! E5 L1 E$ P以上为常用的函数！! j4 X5 P+ x8 B" v% g
还有很多，如有需要我把资料发到你邮箱里 8 g9 Y; V* q5 H, L" B1 f/ }& b
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