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发表于 2012-11-13 08:48:12
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1判断语句' ^( p5 p: m& }4 k; l
if <condition> then3 m/ ]/ q! D" x7 T0 E1 T1 P+ A$ m) L
<statement sequence1>;
: |, M0 q- K8 y1 s* H elseif <condition> then6 n6 T5 {4 {6 T j
<statement sequence2>;
3 N+ }3 V5 E1 P: {! U f% D else
( x$ _7 t( Z1 c; B8 O <statement sequence3>;& W: u5 N! [$ A( Y0 R, u
end;
( y# n7 o! x( `/ |- b8 B* N如果分支比较多，用：
- S3 J! I6 H% d inspect <expression>
1 G9 w( {7 B# i" t8 q* s- l# a when <constant_list> then: r/ I, r1 L( j8 F
<statement sequence1>;* f' N \8 K3 H' E6 m
when <constant_list> then
+ }! Y; t/ m, \% Q <statement sequence2>;. K( t! u! P) b F$ o
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else& g" j/ k( q+ f
<statement sequence3>;; r, z- y2 t0 `: T5 }1 Q
end;
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2循环语句5 _5 g3 S6 E8 C
(1) from <statement sequence1>1 q$ G b6 X. H4 {' u
until <condition> loop
) \1 C. r! l1 r$ c7 M$ E* s <statement sequence2>;3 V+ a9 a8 Z* F& s! |# A$ L$ o
end;
( | E% Q; T+ O( u/ I0 C (2) while <condition> loop! w H. e9 B) J1 v* Z
<statement sequence1>;
+ @* _. X; t/ D' V) k end;
3 [7 |3 h1 e8 z7 m, M' ^ (3) repeat " d' `2 J6 l+ A3 k- L: \7 \
<statement sequence1>;
1 L2 k% ?+ H$ b) { until <condition>;
- o- P" ?$ A$ F4 U0 D- x$ n/ p (4) for <condition> to <condition> loop
4 E) r# |. q+ d2 | <statement sequence1>;
$ P1 [; p* m- g- \$ g next;
5 r" O2 _6 Z: q3 K, K1 v4 e3 P3中断语句- f+ l& w) U3 y" f6 p
waituntil <condition> prio <integer expression>;
0 i' j* O- S8 D2 t6 r# N; B) p8 b/ E: y, L/ E% a9 `0 x
8 h! G* s7 Q+ S4 S以上为常用的函数！
# ~" u2 t7 I( }2 R8 h' x还有很多，如有需要我把资料发到你邮箱里
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