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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
: f3 a1 w9 t) U if <condition> then
% g* f& X3 E% ~1 r7 T1 M( D <statement sequence1>;
' i. a# k4 n4 T! P% ~! v* n elseif <condition> then c( w) V Y% u5 B5 |; l5 N3 T
<statement sequence2>;
E( `! D7 R. ?% f$ l2 R. a" I% V else
# D- W4 ?* F8 j <statement sequence3>;8 h- C; a) W/ S7 m
end;
' U9 |/ O5 ^1 f+ F ^2 P6 h如果分支比较多，用：5 Z" L/ O6 j5 v0 Z4 z% w
inspect <expression>* I2 T/ c+ m: R
when <constant_list> then
- r, L) G+ F' }1 O9 X6 l( b! ` <statement sequence1>;' _7 m6 q" Z3 q; ?* h1 ?+ p0 ~
when <constant_list> then
+ [* y. I- w: d. _7 h% y/ g <statement sequence2>;
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else
4 p7 b# d3 Y ^& {5 _ <statement sequence3>;9 E7 z' k( r: E( H. Q ~
end;
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2循环语句" M$ K+ g; M6 C9 I
(1) from <statement sequence1>
" ?* g' l- P+ ^9 D until <condition> loop
% _, T9 e0 M5 F' \, W <statement sequence2>;' M3 o0 u1 N$ \9 k# W- _. n
end;* s# w/ l' `* M7 ~- Q% D; v2 N
(2) while <condition> loop9 b+ u) `8 o: ]! e: E& @; E: O; P% V
<statement sequence1>;5 p L9 {, h6 q: N$ G0 f* O
end;
/ B% c+ S: J4 ]0 x ] (3) repeat ' W8 c" L' j) J$ S+ ^
<statement sequence1>;4 H' W" \5 V5 h& |5 H9 L3 [8 J% r) S
until <condition>;
# F( U" y) O/ m (4) for <condition> to <condition> loop0 z: L: E' `6 }* p
<statement sequence1>;
2 H" L1 g# i! t7 t8 V next;8 i: k' I5 R0 V6 W. o
3中断语句
/ U+ p$ G) q# q waituntil <condition> prio <integer expression>;/ @4 `% H2 S' d3 m R& R) G" x
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3 m- n; ~. K! z6 f# h: J4 H. q以上为常用的函数！
8 l% y' S6 }( I: V( z0 ?还有很多，如有需要我把资料发到你邮箱里 ) n% s- O/ A* l; e# ~
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