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发表于 2012-11-13 08:48:12
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1判断语句4 N8 F) k \% k2 N6 W3 U
if <condition> then% [" n4 }8 D0 l! r. i
<statement sequence1>;5 z t& y) T6 U: V! S
elseif <condition> then
; g' t6 |/ m2 `" _ <statement sequence2>;: J, B/ [5 D* _' [
else
1 m* L- }2 Q4 c9 z' Q& s: a% `9 | <statement sequence3>;
5 ~1 { p7 {7 ~ end;
* N1 T( f. X: E$ a0 u0 Y如果分支比较多，用：" Z$ h0 ?' E' S2 c: N# y
inspect <expression>
: @8 B. d3 H; f9 J3 L3 Q' | when <constant_list> then
3 e- \: y& \# q <statement sequence1>;* W% O) q. g# o7 \2 k' ~2 q
when <constant_list> then
2 a7 D7 p% L/ l5 `% k <statement sequence2>;) X+ i& S6 U5 D
...
0 E% z1 b- W7 m; S+ F5 X8 I else
. A y/ j1 u, Y6 y <statement sequence3>;# G: ]- }( @! U+ K" S' }
end;
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2 |0 }+ L1 a8 l2循环语句' \: Y* R j, w! C4 W
(1) from <statement sequence1>4 s) I i. X8 T5 K' I
until <condition> loop
4 M; {/ p. E4 U <statement sequence2>;$ T- c+ Z5 s7 ?! S6 f
end;
" ?; m4 u2 p8 S. T (2) while <condition> loop# h$ l" D8 [+ P
<statement sequence1>;
1 Y2 X* m G( L" s" ~ end;
" s* d5 f1 Z- J" s; H4 _" Q (3) repeat
( K; Y( R# h/ @6 g; o <statement sequence1>;
, _) ^6 w3 {. J6 K until <condition>;
5 A4 d! d- l# x2 u0 O" i (4) for <condition> to <condition> loop
* x2 K+ x) T+ U) X0 n/ M <statement sequence1>;
3 _6 U" F# |' D7 ?4 W next;( }4 t2 j% q/ x% e- X* `
3中断语句! }6 _3 R* M( R- ^, O
waituntil <condition> prio <integer expression>;
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) }8 I" t# ^% H s7 i以上为常用的函数！
9 K( w! h7 j' j" Q# e8 W% d# }还有很多，如有需要我把资料发到你邮箱里 * J3 P! V1 ^3 B" P! A* b# g
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