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发表于 2012-11-13 08:48:12
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1判断语句( n" [* R/ |- w( [
if <condition> then0 Q; v3 e7 t e* y' ?
<statement sequence1>;5 { V7 ]0 e6 Z' z* @4 z
elseif <condition> then
& j: V4 B0 B- `; E v- i <statement sequence2>;4 ~% A& Y* W1 Z" T8 J- y6 a ?7 z
else & r5 P4 C+ D$ |) x
<statement sequence3>;+ h5 \% a, {+ } J! a: A
end;
# L+ e; w$ m2 o. |7 A1 a, t5 s, `如果分支比较多，用：
, ^/ {6 g: C" ~! \) Q$ t inspect <expression>) w$ h: r- C4 a6 d- K ^5 T
when <constant_list> then
2 r3 N2 H1 w0 Q5 a$ q <statement sequence1>;
/ r/ W: [+ ~8 S& G' K; w- c when <constant_list> then
; t, W+ T% r1 v% [3 X( m7 `- x1 c. _ <statement sequence2>;0 | k9 F8 h, ?! `$ n& p# W/ y( X
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else& e, i, f. O, h2 d
<statement sequence3>;
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- e) s2 O4 k0 _! M2循环语句
% D& i1 Y6 D O+ X/ D6 I' R (1) from <statement sequence1>- e9 g; D' O( a; Y/ u! |* b
until <condition> loop
, Z1 X2 W% w5 w' o, A. j$ d$ [7 h <statement sequence2>;
/ r% p8 {' _1 P+ G0 D$ Q7 b/ J, C end;
, ^) [1 l/ }" H1 F (2) while <condition> loop
( S' J$ b+ V( J, d+ A" ?! f& `6 B <statement sequence1>;
8 z K: A: U! s5 |/ @ end; q A$ z/ ^0 O ~6 ]: [- h
(3) repeat & R2 @) H/ z; z; G, [. r/ S
<statement sequence1>;
3 i/ L4 q7 H- a/ Q! U until <condition>;9 O( y# m+ H! R
(4) for <condition> to <condition> loop
1 k# {, W% t/ {2 n( h- U <statement sequence1>;
; n" S/ `9 q7 p+ X7 s% Z5 ] next;
3 v# Y& P' o8 y0 Q# V& Q3中断语句6 i8 k; n5 _3 S
waituntil <condition> prio <integer expression>;
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# \* a* T: D3 a5 N0 L0 V6 T; }8 @以上为常用的函数！0 @0 W- B* N- J X4 m# L
还有很多，如有需要我把资料发到你邮箱里
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