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发表于 2012-11-13 08:48:12
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1判断语句
8 o- G# b! b% `8 M1 m: X if <condition> then4 a* y$ E. n. \/ f4 W
<statement sequence1>;7 k! x) F- A9 C: K
elseif <condition> then
4 t. R. z: `! H& g <statement sequence2>;
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<statement sequence3>;# J1 `/ `# }; J& h# @8 ]) e
end;' U4 B( ]8 E0 d+ S, B
如果分支比较多，用：
L2 r# `; Q s7 L z inspect <expression>
; |- ~6 V- Q/ _2 D when <constant_list> then
+ v1 b& v) K2 A7 O f2 A' _ <statement sequence1>;! ^2 C, a. H9 }0 w
when <constant_list> then9 d, _; S; f0 C' D6 l+ w+ C
<statement sequence2>;
' ]! I. ?( o3 \6 \7 j ...
7 [$ h& R. p6 X* g; | |% F else
: w2 e/ J7 i# B( `& l <statement sequence3>;) T( c! g9 |/ P4 S) I
end;
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& q, T, e- `3 P* }1 Y2循环语句& l6 e- y- x W5 F# ^" `* ?
(1) from <statement sequence1>
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<statement sequence2>;9 b4 \& m% ?; M: [0 U9 z
end;' h- f5 x- H: h
(2) while <condition> loop
. G6 i( }- Y( c' G3 r <statement sequence1>;$ [3 c/ j6 H/ h
end;
0 w3 Y3 g+ G& v! {7 ? (3) repeat
3 Q& w3 z& D x% w) y% J <statement sequence1>;, J5 y& g# b8 }# ^5 J( N
until <condition>;' J+ o5 \7 ]: N$ l% ]6 y# Q8 L
(4) for <condition> to <condition> loop
$ w A1 p3 y& X( U( Y <statement sequence1>;
( Y9 X' H; C( G5 e8 M" e next;
1 O* W. q4 o5 ?/ F5 q3中断语句* P. L5 f5 @5 v0 e% K" ]0 G: T
waituntil <condition> prio <integer expression>;
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; Z1 f/ U/ R- V6 a) q0 K以上为常用的函数！9 f5 t: c2 q9 W, Q
还有很多，如有需要我把资料发到你邮箱里
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