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发表于 2012-11-13 08:48:12
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1判断语句' C- C# C" }1 }$ \" u
if <condition> then6 S! [) D. l) m% K ]
<statement sequence1>;
6 W5 Q; O, T3 B* S3 I6 q elseif <condition> then
* I2 ^% X3 _3 i <statement sequence2>;
& j# y3 w; l' F, W6 E else $ T( a! R3 k4 @
<statement sequence3>;
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如果分支比较多，用：
' T$ L3 u, n! I& L inspect <expression>
[% D' |$ `/ [ when <constant_list> then6 \" ], a) Q1 g6 [
<statement sequence1>;% @, f! ]+ h, O
when <constant_list> then
3 ^! M! Y" S- {% k' W <statement sequence2>;) D7 D; I* ^. C t4 `
...
5 g' z; d0 ]* m A; z else
7 H/ B( U7 y* L0 }3 j% W4 x <statement sequence3>;: e) F% r# E; n/ z
end;
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) l7 D! N, L" \8 [/ e) ]3 Y3 o2循环语句
2 d; K/ Y I( K0 A! V$ u3 C# ]* h+ w (1) from <statement sequence1>
5 b0 G c; o4 J2 p8 K until <condition> loop
% [; j3 ` {& i% N <statement sequence2>;( k( A! x" b3 |) D
end;
k! @+ D0 E/ s# f (2) while <condition> loop: ?( a+ L- s; Z0 M' e! P' n
<statement sequence1>;" e9 p8 Q# y0 ]3 G( S$ P" p7 a" X' o& i
end;" M2 J% G: G2 @% v% j
(3) repeat : h7 K+ b7 A8 S* X R# b1 @
<statement sequence1>;
/ U6 r! G! _% `( M until <condition>;# s8 y) ?- ~8 O1 N) U
(4) for <condition> to <condition> loop
7 f( @- A& u2 ?, z, i" T9 K; N <statement sequence1>;
6 b5 ]/ [/ X8 g9 Q next;
: b$ B; p! e2 w' A2 ]+ R6 Q" j3中断语句
! l' @; N: o6 C) `0 J* E: w! h waituntil <condition> prio <integer expression>;+ F: C& P+ e4 \& b" ^; h2 h
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以上为常用的函数！
v3 s( ~1 ?6 H6 x% o' h) L0 {还有很多，如有需要我把资料发到你邮箱里 ) V7 r- ~2 _5 k. {6 a
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