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发表于 2012-11-13 08:48:12
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1判断语句' y3 C% x ^, \- \' c( x
if <condition> then2 T/ c" S' d( R" k$ V
<statement sequence1>;3 n& ^8 j# Q) i! j* B
elseif <condition> then) B6 G9 A7 h! `: Z
<statement sequence2>;
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<statement sequence3>;5 B7 t+ K+ r$ F# @( V- M
end;; z! w- m9 I: j7 c
如果分支比较多，用：5 o. W2 c7 Y7 ~2 e* k3 r
inspect <expression>
/ H! d+ H0 T2 y6 ] when <constant_list> then
4 o3 G3 j5 x4 n9 E <statement sequence1>;2 ?5 t% M2 g2 I0 T
when <constant_list> then
( ?0 \+ r1 N7 [& b k <statement sequence2>;
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else
, X. A& z. c( V* U, r3 l3 K& \: [ <statement sequence3>;- i% C6 U) }2 X% U+ e7 T r
end;+ U5 G) T% Y- X7 {
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2循环语句
3 D2 p( a( A8 V* w( h (1) from <statement sequence1>) _; `0 `; S( s/ `) L+ l" y& T# x
until <condition> loop
& U4 `5 W/ d1 F <statement sequence2>;% @ G! Z! Y* k
end;
: F6 h. F- R8 e& y! J (2) while <condition> loop, v' }% v( T3 Z3 m) }. H
<statement sequence1>;' B: B. N9 W9 s+ a
end;
) `: k0 X8 u( R) E; E2 I8 x$ U (3) repeat ; G8 X0 P8 j' {& R' t5 Y% M
<statement sequence1>;1 P* ]5 A& ^0 R( S1 w) H; m
until <condition>;
& ~, s. c1 k. Y) a8 [& R (4) for <condition> to <condition> loop
& O6 A8 d. D( G9 z <statement sequence1>;9 V4 f1 v1 t# } X- k
next;6 F. G& v K: p1 |. H' u7 }. h2 C! Y! W! _
3中断语句
* ?2 F) H; V9 i waituntil <condition> prio <integer expression>;" j/ \2 Z1 ^, }4 x
+ F5 W3 b* Q) s! G
- K7 }& }' B( s; j- E! f以上为常用的函数！5 @+ ~0 N5 d( V/ Z" k
还有很多，如有需要我把资料发到你邮箱里 7 ^6 `/ |( d' {$ _
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