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发表于 2012-11-13 08:48:12
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1判断语句
& g1 j: ^. l f. C0 ? ^; T if <condition> then. @6 \ V) A6 o, c# r; x
<statement sequence1>;
& U+ ?. ?" q: b! a* w. v elseif <condition> then; b4 u( n& F) C; _# B4 ~+ i8 m2 _. y
<statement sequence2>;8 L0 y# F' u D Q0 n9 N7 j, N- n
else 0 i# [0 O" ^8 {- S
<statement sequence3>;" X( M0 J( ]$ ~% |* W) ?
end;/ W) I4 z+ p* ?5 F. p
如果分支比较多，用：6 b4 Z, z- A6 `3 I& h# \' E# m, b
inspect <expression>
3 a! r2 D; z4 R! Y0 l when <constant_list> then- E1 x0 y% s5 u: ~+ u7 C& _
<statement sequence1>;
9 J5 ~- G9 Z. u# I8 d9 l when <constant_list> then/ h+ y. F) Y! R$ U% m
<statement sequence2>;
8 z" F& @$ W) i ...
/ j3 d0 Y/ q2 \. [ else$ s2 K; V3 _; S& J: `
<statement sequence3>;5 P) C9 D0 \* V" G7 \( [4 D5 \2 W. r
end;1 k9 U) G3 U9 {
2 }1 Y& L4 |' u8 D. u2 |( I2循环语句$ f( z7 A+ T# L; m! x) W
(1) from <statement sequence1>
+ n K0 f7 c8 x6 h3 p4 D1 P until <condition> loop
; E# \6 ?3 y$ O <statement sequence2>;
7 n" g5 T$ p$ V# L& s1 B) Y" @0 c, A. B end;
* i3 e+ N; Y* [, {1 Z2 s2 b1 ^ (2) while <condition> loop
% K+ d0 g u$ p) O% v& b <statement sequence1>;
# Z" h6 E: b; ~ end;+ C0 L# g+ b9 R5 F+ ]" S- Q8 W$ T
(3) repeat / X' a4 ~3 ^* _# q8 R) s
<statement sequence1>;
2 _- m/ V! s( k& e1 ^ until <condition>;, H$ ]0 c8 n7 Y3 ^% K+ w7 _
(4) for <condition> to <condition> loop
, L. M B+ N0 T7 Q <statement sequence1>;( Q7 q2 l( q- X" C
next;
' b. c* T2 s! P% O3中断语句0 m% ?& Y! V; G' j
waituntil <condition> prio <integer expression>;% Z7 F- v2 S! K* M0 w* c& D
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以上为常用的函数！, G& @, W& j6 S& g8 P
还有很多，如有需要我把资料发到你邮箱里 8 E( h/ g, a" O7 \* ?; Y( }
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