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发表于 2012-11-13 08:48:12
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1判断语句6 e" }6 k5 }; w _1 i# T) E
if <condition> then/ g, U' P1 }- Z6 s& P
<statement sequence1>;
8 v) i3 j$ V! o! R; R3 R elseif <condition> then
; q$ j% N& @! u! N5 q3 n& v <statement sequence2>;
7 |* o/ C/ a" b3 a: R! ] else
/ I5 r9 S! I/ U3 | <statement sequence3>;4 ~) K( [' `, z* _) F
end;3 [( `0 w) i1 f
如果分支比较多，用：0 h v0 J3 S+ n4 i8 s
inspect <expression>
2 B' J6 U) x& d6 o/ f0 q" a when <constant_list> then
- }$ C" }* f+ U* i <statement sequence1>;
; R4 Y# P2 e. ^0 Y+ G/ n when <constant_list> then$ D( Z' D1 A0 R8 \* e9 Z
<statement sequence2>;$ {8 t4 A) `$ Q; x* [
...
, O1 Z6 C( ^) f5 [! B- E( D7 E else
: q3 A+ t& A$ T9 h9 ^ <statement sequence3>;, D! [2 Y1 p9 c/ M8 W
end;
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) M6 w/ u+ v8 _ h) r2循环语句
& L- y9 O- ~9 F9 _ (1) from <statement sequence1> m% V3 m+ b7 z7 Q' g
until <condition> loop
# k. }4 U9 w$ V# x4 Z <statement sequence2>;
- D- {- g6 Q! [' O, F# Y. }6 E end;; l. V& h- ^/ f: _
(2) while <condition> loop
5 S% ^3 H. {2 J <statement sequence1>;
6 l2 z% _& ?! Y5 d" Z end;5 |- W% z L; Y/ l9 X
(3) repeat
+ W3 W1 Q2 R% [7 R" q <statement sequence1>;2 H$ m2 s8 o1 c# o8 o+ t
until <condition>;% A+ j' f+ R, s/ Y8 q2 I
(4) for <condition> to <condition> loop
% E! j6 r E* i5 ^" J0 V9 B <statement sequence1>;
; v* r2 n3 Q. T& o next;8 I" }; ?6 V" s# Y4 G
3中断语句
" B, }+ j: a+ D7 S waituntil <condition> prio <integer expression>;
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0 [! P! x$ i+ j以上为常用的函数！
% e3 o1 S% L4 ]: j8 x0 S还有很多，如有需要我把资料发到你邮箱里
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