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发表于 2012-11-13 08:48:12
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1判断语句% s% \ _6 l8 Z: t2 h/ o l/ `
if <condition> then
; X. d. R( r; g- h { <statement sequence1>;
* K/ }* f: o* p0 s( m elseif <condition> then, h0 L( }* B8 p& {& p8 l
<statement sequence2>;
$ Z7 q/ K) H; r# N" j3 i else
1 w. I( K/ E. V- X <statement sequence3>;
" V; o# R3 ]% i$ g { end;
" j5 [: |# n% v4 b; v( d5 N如果分支比较多，用：8 ?5 t5 v( X3 D, K, r5 W
inspect <expression>: J F) @" q7 N) w! k0 }
when <constant_list> then* m3 y* r& E; R& \) t/ D1 {* K: v
<statement sequence1>;) p& J/ q- x& {: w1 G% _
when <constant_list> then* Y2 X$ m; Z g4 z4 R$ a7 p: z
<statement sequence2>;
+ Q9 o1 k% \) U0 r# {% V ...
2 P& m( P* Z. U, y+ c else
4 k( u2 e" o) u! W- J2 H) \( ~+ E <statement sequence3>;
! H1 r* `. x$ E; w, qend;& p. Q, p( z$ I" v
3 d2 [. z! p+ W3 }4 r& \5 C+ n5 a2循环语句, N. P$ J8 l' E; v: N
(1) from <statement sequence1>
0 G& F) X3 f; R4 G until <condition> loop6 E3 N3 C* j: H+ [
<statement sequence2>;
8 G6 C4 z4 B) d end;
1 H# r0 b& [3 W# C (2) while <condition> loop
/ Q* M( O0 b* W( ]* ^. c" S <statement sequence1>;0 j4 p, [& \; a$ ~+ s- A& W ~+ X
end;
9 q8 A* j/ b' F0 o/ b; J8 C" V (3) repeat ' j% l0 n+ I9 ]5 G6 {8 g7 T
<statement sequence1>;
3 n" d3 z3 {( h3 r& r until <condition>;
3 C+ q B* U; L# h5 b9 f (4) for <condition> to <condition> loop" z' k! K) C) [0 t$ x3 T; a
<statement sequence1>;; P1 U& ?9 Z: z! B" Q
next;
7 M* L- e q0 z! P$ l( W4 @4 R3中断语句. z& K- A0 j7 Q( A
waituntil <condition> prio <integer expression>;8 a, k1 N) ^, b" Q) a
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6 x3 b0 U; h$ l4 j3 |# I/ f$ y" ~以上为常用的函数！+ u9 F$ N1 F: C4 l. J" J1 X
还有很多，如有需要我把资料发到你邮箱里 ( C( k: l) t# n$ J
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