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发表于 2012-11-13 08:48:12
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1判断语句6 g7 c+ S) G$ w: l D0 s4 k
if <condition> then
8 N, O: O* ^# h0 @8 y! n8 | <statement sequence1>;
3 o8 I2 [1 p/ Z5 K; ^% H( \6 c elseif <condition> then
- q6 X7 x& G2 T <statement sequence2>;
0 C6 f; z; ?' C. }' Y. V else 3 h; h P: k% A! w3 a
<statement sequence3>;5 }9 k# ~1 i; B+ c: v- n' R* \
end;
7 d- r7 ]$ p4 W4 N* ~如果分支比较多，用：- H9 y+ I- i. d: B& n* p7 l* \5 K
inspect <expression>' a6 Y t9 L$ }) U2 {
when <constant_list> then' a# T$ p, v2 O: x5 S8 @
<statement sequence1>;
+ F: R9 @ F6 k: B1 } when <constant_list> then& [' T( M. I; o( A5 p) k- t; P
<statement sequence2>; n2 z! k) ]3 W1 `( ^7 ^% ?( T4 X
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else
" H1 M5 n4 J. [5 K: M <statement sequence3>;
4 a, F/ t- k- E2 U( q* m! `( L/ p7 fend;
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2循环语句
; L J0 w* g+ q" K% ? (1) from <statement sequence1>; k% H( G& |0 |( ]1 R
until <condition> loop/ Z' _8 o- b) X7 Z. Q# f
<statement sequence2>;
- s* w6 I& E) f( G end;
5 H `5 f; w$ D) F4 U7 \" o0 x3 k0 ^" E4 e3 ^ (2) while <condition> loop" a& l0 ]' h- {* Q
<statement sequence1>;
- k9 v( |% a3 J6 F/ h' }3 h' t. y end;5 E: f: R+ _- V
(3) repeat
8 u1 v3 C! |+ M' I/ Y' l6 t <statement sequence1>;. I: u$ ~( ^9 u5 s9 p
until <condition>;& A7 H* i# L% `% c; D" g
(4) for <condition> to <condition> loop q) A, \+ T/ t4 k0 R- U
<statement sequence1>;
7 ~1 g" ^/ S3 \1 k8 V next;
" `9 I. Q9 P* V! @1 i8 E* D: M3中断语句# [# M7 O1 x9 z, b
waituntil <condition> prio <integer expression>;0 c! a& r3 e W, F* {* Y# T; b
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! V$ x$ t2 w8 G- F$ t以上为常用的函数！! H" a1 o. U; W
还有很多，如有需要我把资料发到你邮箱里
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