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发表于 2012-11-13 08:48:12
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1判断语句+ f1 z! u* L3 {* q
if <condition> then
9 S/ L0 R9 U6 G+ D* i5 V <statement sequence1>;: Z: [) H& ?* N; q+ k3 S
elseif <condition> then
) E+ G9 J# H" s' d$ v <statement sequence2>;6 k/ ]( }9 ~: R' E
else
5 e4 ]) Z& g# M1 _0 I <statement sequence3>;
. Z6 C/ m$ Y$ I end;
' h: Z% }7 L6 B. d9 Q如果分支比较多，用：
/ ?+ G" n. q" p0 k/ v* J; j inspect <expression>
* C, i: L7 C T1 s+ y1 k# b8 U ^ when <constant_list> then( |) B" d: o$ d9 e; e, v: ?
<statement sequence1>;
4 S4 `" j5 Y% | when <constant_list> then
* q' G1 L- T6 ~. o7 I% k- H2 X n <statement sequence2>;
4 ]7 ?* p9 Z2 P2 [8 N( G ...
% m* U# O% I1 q8 S2 o' r& v else
! X$ z1 r9 W# n2 r9 ~4 C <statement sequence3>;
; h6 }- C& Z9 i5 J" cend;
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, P# U& J9 O# D5 t% Y2循环语句1 }; x& o5 i! J. Z" R4 F4 H" q
(1) from <statement sequence1>
! Y/ g0 }4 E# ?3 B# ] @" ^+ t& _. y6 S until <condition> loop: m6 W3 j) E) s- f) v
<statement sequence2>;
9 Q" U4 @0 _0 e% V3 j! [6 u# N2 r end;2 P6 ~' v0 Z8 c* |) i0 G
(2) while <condition> loop" |- y5 d# d; m; l
<statement sequence1>;
- r G& D# e0 Y4 J( }/ Z end;3 Y* U/ Y- A2 j/ q0 n
(3) repeat
' ]( T. s P8 H1 v2 ?, v <statement sequence1>;
6 \' A# H% @& a5 w until <condition>;% j! o9 Q' S4 }& H$ g
(4) for <condition> to <condition> loop' |- T. ?6 ? N* @* B& z4 |
<statement sequence1>;7 q9 x, C4 n- N( L, n, J4 M
next;
' \3 |$ F+ }& X3中断语句
+ ^$ E4 \$ g% P' g4 M7 G3 } waituntil <condition> prio <integer expression>;
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' b1 _! [# ]: Z/ C* }以上为常用的函数！: r. _0 N, a6 ~* J/ k i
还有很多，如有需要我把资料发到你邮箱里 ; l, E* }8 p4 s/ u: B
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