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发表于 2012-11-13 08:48:12
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1判断语句: c5 T' d* a1 z3 D% ]" H7 |
if <condition> then
" q5 Y# A8 d% G. G( O; u/ b <statement sequence1>;
5 o4 |, n' s* `3 I' B elseif <condition> then
q: F8 p$ y+ a. D <statement sequence2>;& K" e$ x$ B' Q3 j1 A9 e0 ~9 s
else
' P' U) i! E0 @) T! G <statement sequence3>;2 `. j/ A2 \- e+ C2 e
end;
3 H _! @! T. }1 g: D& S如果分支比较多，用：
1 n$ \* ]( ~( k inspect <expression>4 ~" T4 e0 r7 Y F
when <constant_list> then
0 s1 o4 ~0 k" P! Y O <statement sequence1>;
5 [" E# ?4 k" L% c; T$ i when <constant_list> then
5 y3 ?4 Y; F5 u+ H& q% G <statement sequence2>;* F1 I5 z5 m1 s& R
...2 c: p3 k1 V3 A! a5 O' {1 R2 F
else* X# t( R8 z1 p: k( l) x) a3 @3 h
<statement sequence3>;
# A0 X4 u: q* b- K! J5 h0 j( Tend;
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" N; H8 v+ ?# l2 s9 c, a# }2循环语句
2 A9 f6 w: O) N# K X* |! { (1) from <statement sequence1>" Z, l, l4 _* O& f
until <condition> loop
n% x' I! [! @: y. [! A* ]9 `3 s4 ~ <statement sequence2>; K9 q4 F: r, t P" ]* I1 |
end;
; i0 q9 Z8 ?. w (2) while <condition> loop
$ \+ S) D7 d- M <statement sequence1>;
# t/ \# A+ z& m7 e" S2 t, C5 n7 i3 ?" x end;3 c4 j) C! L! c+ f
(3) repeat : Z3 s! u# s0 C' H. s5 A
<statement sequence1>;- Y( V" F) Q6 N v1 Q& K2 t
until <condition>;$ `( ^- q9 Y8 T; a' ?- X9 O9 @& C
(4) for <condition> to <condition> loop: S4 n% G; }: f V: T
<statement sequence1>;
0 F- \, |: w; t8 E next;
5 I0 B/ Z" r `( @8 F" Z0 @" D3中断语句
$ t; x" t5 R8 t3 T1 |, x; g waituntil <condition> prio <integer expression>;# k$ Q) a( o! X5 g- O
2 r" s% R, R. J
9 ?4 M& ^% z' G; T" t1 Z3 p
以上为常用的函数！$ [% l* T' ^+ c7 E
还有很多，如有需要我把资料发到你邮箱里 1 _1 s, Q1 h1 a* U
" @7 ?$ ~9 D- r
3 y0 G8 h' _; U; s$ ]& ^- T" `6 z( r, v, G, q4 x: p
6 b, t# C* {) d4 K1 P. w( ]! w' F1 T% r$ p6 u# Z7 d a
9 [& M1 B& O+ P2 v) R5 a! P3 X8 c- N$ I8 Z _
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& k- P! _/ B: |+ V! h+ \1 a 8 P- ?0 p( d! q5 h) E
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