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发表于 2012-11-13 08:48:12
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1判断语句
/ A# b( Q+ W+ M% G) |9 h if <condition> then
( @5 ~( ?; `9 q/ l( J <statement sequence1>;6 G8 R5 b* t; Q
elseif <condition> then
5 O+ Y) L3 [, e' b9 \; v) u <statement sequence2>;
0 h6 L' O5 j$ W$ u# w9 s1 \ else 9 L* T' ^0 |+ c4 O& W3 `: Q
<statement sequence3>;: Q# E* p. c/ g1 Z% r$ ?: \
end;) r# ~; B! a4 S- z9 R- B* e
如果分支比较多，用：+ j7 m# s: b( I# S! \$ U2 S; @
inspect <expression>
% N" A; @% R+ f } when <constant_list> then
2 P, X- s. l/ w3 P0 ] <statement sequence1>;
0 x6 ]* @: a1 n" | when <constant_list> then
* T# r* `7 `4 h" i: t7 H' B <statement sequence2>;% j) j. e0 ^- P0 U5 ?0 P
...
: P; X5 s2 x6 R9 j, ~% \ else6 H- N; }2 V' O1 r
<statement sequence3>;6 b( X4 R e" M, t, v, `5 _
end;, ~: s, D: ]- s2 Z: D
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2循环语句7 p' h! c& h! _; V+ H# r
(1) from <statement sequence1>
4 Z) Z% P \6 l k4 Y until <condition> loop
- @, e+ h t# V2 K <statement sequence2>;& ^" A x/ g+ W* g
end;) z! B6 h1 O# [4 o% K0 {2 |
(2) while <condition> loop" [/ M& V ?( s K$ V; O
<statement sequence1>;
$ |0 r) E! ^; U H* W end;) C- k. U9 `2 H7 F' F, ^4 D
(3) repeat ( t/ s0 u8 a" X6 ?, K
<statement sequence1>;
0 Y/ f! s3 D% C: Q6 a6 Y$ u: U8 x7 Q until <condition>;$ [$ V; d$ E* a( _. d( z* Z3 j
(4) for <condition> to <condition> loop
3 v: k, O& Y7 _ <statement sequence1>;
2 y( ?, s4 |2 l next;
8 t. K; H5 k: n8 f, I/ ^# c3中断语句
+ U/ ?9 J3 { o8 }9 M waituntil <condition> prio <integer expression>;
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4 H: n$ {3 i$ v以上为常用的函数！3 v4 W: V1 J4 y0 @) G j: |& N* _
还有很多，如有需要我把资料发到你邮箱里 ) p! z# e5 Q+ x+ o3 c# R
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