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发表于 2012-11-13 08:48:12
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1判断语句
, j p) F, N; B6 ] if <condition> then7 w. I9 J; o4 t: v+ K4 @. g! k; S
<statement sequence1>; E C- k8 y) q: s. O4 L# E: o
elseif <condition> then
- W5 E" t, a0 z) L/ o6 y3 U <statement sequence2>;
! d- }: c- x; f3 I) Y else / ?. N7 j- W. g& P* A
<statement sequence3>;. v, s$ q) z+ j4 {: V, h
end;
$ q; D5 Z2 [; ` o& T如果分支比较多，用：4 U' i6 A; S3 K8 U6 m9 l
inspect <expression>
) l2 `, D$ t, D/ h& u6 N' e+ z* ~ when <constant_list> then
7 w; C! D) W: P* _8 r <statement sequence1>;
( }( @# p, a8 J! j3 I9 ~8 X when <constant_list> then& R! K3 d4 K; M: ?/ U& f8 h( j+ K
<statement sequence2>;
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else, g4 v& i% |5 k, e! ?3 I
<statement sequence3>;* g) x0 b2 m5 I( T, G3 x
end;2 s5 {$ l! g0 E4 W% P2 C0 W, n
% s/ A3 M/ U+ o. r2循环语句
# }6 I9 d* r- u (1) from <statement sequence1>- A* D& Y1 L. p. b7 M1 M
until <condition> loop# ^' m7 z, k* h$ X& M& W
<statement sequence2>;7 K6 W0 t% w/ ]( p0 j( l( c" h
end;
& x% F( Y7 f5 \+ y- |& M (2) while <condition> loop
# r. s' |+ H& Y* t: p8 ?. t4 A0 `3 z+ n <statement sequence1>; l% m) Y" ^, o% z9 n! d. m
end;0 ?' I. V t: T3 U
(3) repeat 5 M1 s0 i6 v, H' \) x g& E
<statement sequence1>;
! ~ `( {5 w( u/ v until <condition>;/ X I+ ^% w3 S" i1 u9 ^
(4) for <condition> to <condition> loop1 T6 H; l* a' \3 j1 f
<statement sequence1>;
6 r6 N% z, X8 v6 {6 c- f8 W next;
( P& n4 G j' n2 ^ i& b3中断语句. }1 y$ s' z: ?
waituntil <condition> prio <integer expression>;' J' \8 t% i/ k7 p% [9 d; X
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. j- R0 H# F: i- n以上为常用的函数！
" d, K9 o! B) B6 h% x4 c+ k6 H2 ?* q还有很多，如有需要我把资料发到你邮箱里
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