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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;0 W' l1 d1 H4 X/ q: q5 J7 M
elseif <condition> then5 }3 f" | j# ^
<statement sequence2>;" a, A/ x- {* V
else
8 K/ c2 R& e3 q <statement sequence3>;' F! B4 L S0 t; X6 O5 \8 l$ W
end;: B1 R' n3 y) M
如果分支比较多，用：+ E. W0 r4 O. Y7 \5 _
inspect <expression>
% N- w, Q& E) X T& p7 ~' ^4 x when <constant_list> then( @. p/ B0 ~2 y
<statement sequence1>;
3 G/ X9 Q5 U% b! P5 v3 N8 Z when <constant_list> then
8 w2 c) ^; r _2 m <statement sequence2>;
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else! `! \0 x, k! K& ]: N5 A5 Z/ a
<statement sequence3>;
4 @7 m. w- d# l" _; U/ W! r8 `end;( p& b: ` [% N2 G* |8 i! C
" o* a! V6 [/ `* G' ?: A5 C3 R2循环语句5 [$ O+ q2 v |& P2 H h/ e5 v
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop) i6 M7 E8 c+ A% F/ b- g, y" I
<statement sequence1>;4 S. ]7 }; x2 f2 j' v
end;" {0 g/ |: _% ^7 T" e- B2 ~6 s. N
(3) repeat 5 W0 i C6 h& ` Q+ Y' k b
<statement sequence1>;
7 o4 X/ B" t) f) J2 G* G9 } until <condition>;1 A$ }& Y3 b- [$ N# ]$ i- R* v, p
(4) for <condition> to <condition> loop
4 f1 N$ V% M' H0 Q# W) V <statement sequence1>;2 Q4 z: i5 K" n/ K; x
next;
6 P. X3 {/ i2 X9 g- m9 G3中断语句( c3 U/ C* s7 {/ k& r
waituntil <condition> prio <integer expression>; ^% H2 p. ]' A: R
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1 W! J4 I7 e" r V9 a9 l以上为常用的函数！" S6 q/ P5 o* l; y; ~/ d
还有很多，如有需要我把资料发到你邮箱里
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