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发表于 2012-11-13 08:48:12
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1判断语句
. s: D; n& J$ U if <condition> then# V/ g5 g& D2 U- t
<statement sequence1>;
+ T& U1 g' |$ X* k# o elseif <condition> then
4 S" n) @6 R$ ?% C/ o <statement sequence2>;3 N. \3 Z2 A3 `& L1 D8 V
else
& S9 F( \; E- X) I" g <statement sequence3>;
# p$ {* P8 L0 j end;5 V: T* R" [/ k. _9 d% W5 i' V4 a& f
如果分支比较多，用：( m) c9 F/ t7 C, R( {/ ^, p
inspect <expression>8 a1 ]4 r* K. x3 w( D) g8 _
when <constant_list> then
3 y+ V Z' Q' q# V <statement sequence1>;- A; p/ `4 m8 D
when <constant_list> then1 \0 L3 v; k8 @' E* g3 O
<statement sequence2>;
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else0 ?- F( O- m g! o
<statement sequence3>;: L/ v; i5 {4 u% K' C: @
end;- u, S# w9 [. \2 U
W% P/ J: F( R& S S
2循环语句+ Y' h$ A( N/ n& X/ t; @% }- Y, U
(1) from <statement sequence1>
S6 k/ q* A: | until <condition> loop
- w! Y) f6 f! |8 Y( ~# v: [ <statement sequence2>;" U2 K3 n" k7 E) C9 {% {
end;
7 x7 W) T4 X1 i8 Y2 i. M (2) while <condition> loop5 A5 ?' B% o3 m+ D, \: D
<statement sequence1>;
2 b0 Z: T; R0 V: I end;
( G* C; U% Q8 o5 k (3) repeat
: G# h" P6 p5 } <statement sequence1>;
* h2 J1 l2 O/ P' O" w7 ^& B! \ until <condition>;
. h6 B" O7 O/ S (4) for <condition> to <condition> loop* G- \& { R5 G, B
<statement sequence1>;$ Y& x1 e6 E7 [* V# h4 Q3 e# q- _
next;! m8 [+ @2 ?, H8 ~9 Z% _
3中断语句7 q7 ]5 T8 L+ F- Z! R
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( |: D2 p5 ?' n$ r/ ~+ l6 [还有很多，如有需要我把资料发到你邮箱里 0 S: X; V- e2 I0 t3 x
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