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发表于 2012-11-13 08:48:12
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1判断语句
q) a8 ]2 G9 z: b if <condition> then5 ?# u# K% I" v
<statement sequence1>;
0 Z! e C6 G. u$ M6 ` elseif <condition> then/ `5 p# i0 Z) p F- v2 O
<statement sequence2>;, G2 U O/ p" a8 k7 k8 A
else
8 {; v+ J- A v0 c" X <statement sequence3>;' O, ?' m( H6 G9 ?
end;' `6 |, e6 N4 W
如果分支比较多，用：% B3 z3 Z3 E# `
inspect <expression># `( x1 N" Q8 K' s' Y: |4 M
when <constant_list> then# M, ?' c3 Z( x4 V9 R; A2 B
<statement sequence1>;5 `/ V& \$ V3 \& g& t2 d
when <constant_list> then0 d. n3 ~6 j8 _) T& |' D% S) ]4 F
<statement sequence2>;9 I" e( v. O: J
...$ }8 b: y4 ^! e5 k# S
else2 i3 ^% Z" J. z
<statement sequence3>;
O9 n+ [, B( j/ ^ \+ v# L7 ?end;
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& u. f5 [" `1 [6 D8 Q* _! Z. W0 ?2循环语句
, M7 `0 i3 O. v (1) from <statement sequence1>$ K8 ]7 y* L5 M; ~; Y( D3 f3 Y, s
until <condition> loop# _5 Z4 D) U, @) c) l
<statement sequence2>;
0 k. t! W- a. P; m& e. d4 `$ Y+ r end;
" C) f6 G6 s- G2 W7 E (2) while <condition> loop) W+ S% p1 X2 P* L
<statement sequence1>;
& o& B a% a; b9 [! J, p+ o' D$ G end;& Y' |4 ]! K q' M
(3) repeat & n& K7 z8 B/ Q& [: _
<statement sequence1>;
* A0 B/ o+ A6 E- y: d0 E3 l6 G2 w until <condition>;
+ X7 l# ?0 h- H% S+ a' O5 ] (4) for <condition> to <condition> loop
+ X1 D; W8 o9 P2 t% c/ s <statement sequence1>;
5 ]- `* K, `( `8 R! @$ |# y next;% k9 r/ r9 p' o# Y8 v ?8 B
3中断语句
# _, s; {" C1 b3 Q4 z waituntil <condition> prio <integer expression>;
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以上为常用的函数！& `4 i1 S2 v6 b+ I
还有很多，如有需要我把资料发到你邮箱里 + \ q- D- g9 P' |
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