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发表于 2012-11-13 08:48:12
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1判断语句
# X$ \) }1 E) H9 y6 o. Y9 v if <condition> then
. z: S, e1 M8 g$ \0 H7 X; ` <statement sequence1>;6 B6 {* y3 u1 q
elseif <condition> then
/ j9 j. _% w5 O9 k; C8 [9 _6 y: k <statement sequence2>;% [& l0 }: [+ C! \' J
else
2 q" U; q: u! P7 m8 h5 [* M <statement sequence3>;8 G/ E- l/ r* Y
end; s8 m' ~9 F/ e! R
如果分支比较多，用：& P6 F. ^0 |" L, P* ]/ _/ E
inspect <expression>
8 W% H- u# X O% b) t when <constant_list> then
! u) J) p8 ~/ ^5 ] <statement sequence1>;2 i/ ? z2 ^: `# b! p) D
when <constant_list> then2 q8 e5 f3 K9 p" I$ ]
<statement sequence2>;
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else9 N, @3 B; c! Y& R7 e& j
<statement sequence3>;
+ a+ p& E0 z4 l/ Qend;
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) u; n; X' ^8 U1 l5 v# E) l8 w2循环语句
0 a6 M" o" J3 F6 x (1) from <statement sequence1>7 Z8 \' n* R8 \6 R$ L
until <condition> loop
% ~" l% F5 o- F0 o9 C) c- { <statement sequence2>;
. ?: o( L9 M$ h5 F( k( L end;8 H$ Y8 O5 S- X9 @
(2) while <condition> loop6 E' ?0 D6 h6 q4 q
<statement sequence1>;
+ c9 P( W: a* i W( Z/ ?9 g+ L end;4 V u2 b& T( Y8 A- f
(3) repeat 3 z0 K- i$ B6 @, V1 e9 ]! M4 q) W
<statement sequence1>;
* M0 O$ j/ u& w' W8 ]+ A! w until <condition>;
# D0 W2 [# m) I# j (4) for <condition> to <condition> loop
3 F! f( T* K: Z c <statement sequence1>;
- O( @" l+ d* o& K next;, [) a2 l: g' B. M4 `& L
3中断语句& G9 }& r; g" `9 d2 F
waituntil <condition> prio <integer expression>;
+ T0 p5 G/ ~: p5 N/ Q# ~% [2 a$ K
4 Z; y0 m8 J( t2 M3 g
: i z Q! {1 W" s* ~* a以上为常用的函数！
+ Q, E) `3 |, R0 o还有很多，如有需要我把资料发到你邮箱里 b# F9 v4 ^# W8 U9 S6 B
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