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发表于 2012-11-13 08:48:12
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1判断语句* R0 C7 x' a) Z( k `
if <condition> then( Q( X. ?. v- C* F
<statement sequence1>; `4 ~% U# \% K# z" P8 t0 R
elseif <condition> then3 `9 s4 i! s% q) g4 O+ D2 |6 B$ {# _1 @
<statement sequence2>;7 ]7 W$ l! X! s) {1 o) K/ j6 z
else
R/ b4 u9 Y" _$ V3 Z! _' T <statement sequence3>;0 o! S9 e; F9 L% z& g
end;
" M2 P2 {' u1 H; d1 P0 b如果分支比较多，用：' h+ b! c9 O1 ]" o4 \
inspect <expression>: [6 X6 ^& g( M5 o4 I
when <constant_list> then
$ r5 [5 ^1 S7 N <statement sequence1>;4 S' e1 \6 e0 Z6 t1 Y2 L
when <constant_list> then
4 M3 b* F1 A+ V3 u <statement sequence2>;, j7 V; g" f$ B8 @. t; s- S
...- p% e/ \9 R3 z+ I6 @8 L K
else+ f' j+ r4 {1 m( d8 n
<statement sequence3>;# Q( G+ D7 j- z, V c
end;/ m6 W# [! s. d' m. d9 h5 |0 M
* S0 _+ a$ ?8 H" [* P2循环语句" {% A- K2 X( b5 k! A
(1) from <statement sequence1>
1 \0 S9 t1 G' t C2 X. Z+ F until <condition> loop
5 T3 D) E6 b; g% V <statement sequence2>;
0 z1 S/ B- s; d6 H* m end;
0 w8 {* i6 E8 s- n (2) while <condition> loop* h, |5 W: t+ l f/ ~* ~- ^% w1 ?
<statement sequence1>;
4 B# y+ C0 E5 W1 L D4 a end;3 d6 \+ ^% t B- z
(3) repeat
" z+ F# U a" o <statement sequence1>;
( l# n- i. o9 q# _6 B until <condition>;) \. w7 e6 R) h+ z! d; D
(4) for <condition> to <condition> loop
' C5 }, {' l( F- e; _ <statement sequence1>;* F% G& _& I+ i G9 |
next;' N3 I# A0 g* {) N& \4 L
3中断语句
& V* W$ [/ M; i) I9 s4 J6 P waituntil <condition> prio <integer expression>;
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$ C" M9 S& C/ P5 W/ U, o% \( C q以上为常用的函数！- S$ N1 u( [" s q# V
还有很多，如有需要我把资料发到你邮箱里 ; X" U" B2 z9 i- Y7 t% |- @
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