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发表于 2012-11-13 08:48:12
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1判断语句- G2 V; o; Y: L2 Q9 I% _7 H
if <condition> then8 P! G* }$ c3 Y T3 w" y
<statement sequence1>;/ s+ C2 H9 v0 J. V4 ^2 T
elseif <condition> then3 l6 f) q1 U1 x
<statement sequence2>;
0 [# g- b+ }4 R' p8 k& t else
; v( `; [. Z6 S6 z" S <statement sequence3>;+ C! @- T5 h$ f7 {( J; t
end;9 c! b6 S! \* v ~) U! R6 v C7 ^/ @2 I
如果分支比较多，用：
8 ~) s; ^4 e2 c6 j$ C# m' H inspect <expression>
& O4 M t( x F. c9 ?; c( w when <constant_list> then- N0 q A2 K" O+ q
<statement sequence1>;
) m0 p' j+ T/ D& n when <constant_list> then( g' w7 D+ A8 p8 E$ T
<statement sequence2>;' C _0 l) J# K) w, u8 A/ Y
...
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<statement sequence3>;% Y5 {: `+ e9 c5 `! Q9 m/ G
end;
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, w0 g9 b5 l5 ~2循环语句
) S& t( @( T' f' j% H$ t% Y (1) from <statement sequence1>
1 A' e( M' E5 G( r3 m until <condition> loop
4 S& K! j( k# S! r4 {8 H <statement sequence2>;0 g0 b# Q$ Q* K1 l5 j& {* q
end;) q& A+ m( P8 [% O, J
(2) while <condition> loop
- p- K, m; ^0 ^4 a" ]3 d7 o <statement sequence1>;: X# M6 U6 X. {4 y2 k: s
end;9 X( L! @3 k4 ]4 u; g
(3) repeat 8 e* f* c/ x. `% O+ M$ {' T9 f) @5 G
<statement sequence1>;
, C$ w; n% G9 y$ u9 q4 d until <condition>;# {: B! r4 k) B# {# ^8 g4 }2 z1 S
(4) for <condition> to <condition> loop
! I; h \/ f X3 Y0 E" e& |! |2 h0 c <statement sequence1>;
" z- l c8 [/ N5 Q& ~ next;0 i9 M) ~- r- M1 x: K/ Z3 Z! W
3中断语句
% y0 A% d+ [9 g. F waituntil <condition> prio <integer expression>;
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3 h; Z, G$ \ e8 _7 Z& O3 j$ ]以上为常用的函数！
+ I& L: X" [' ?: Z( `( g还有很多，如有需要我把资料发到你邮箱里
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