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发表于 2012-11-13 08:48:12
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1判断语句
4 ^: t, t5 p" r9 p5 T* Q if <condition> then: X8 c! ~9 t% h
<statement sequence1>;
0 N+ N4 U/ l8 o& o4 l elseif <condition> then8 E, O; r( d9 U% }3 u6 c' s8 A: t
<statement sequence2>;
. G; r0 t5 f! i/ H9 S6 N8 D else
$ l" f4 F8 R. C" n4 `% ]0 X <statement sequence3>;
$ q+ M& O" p& O" Q! [$ N' r end;
! d, s) [" H z& E3 h如果分支比较多，用：! \1 ~1 J( j6 M I7 I8 b" `
inspect <expression>
' N1 B7 w# j& b4 e$ Z0 i9 y when <constant_list> then9 `( {+ U. L; \8 Q8 u
<statement sequence1>;# }! z! `, {& A7 t
when <constant_list> then
6 i! V' u& Q" y, C7 b- R <statement sequence2>;; o7 s4 |9 k$ P- O7 Z" O8 H
...% b0 j% V; v, X# ?
else
; h4 K# |# F4 h+ X, I( d e <statement sequence3>;" c* h1 u. n% W- _: ~. n( p4 Y( C' U
end;
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2循环语句
6 p- T+ V9 ~! H5 S* `5 m9 H4 x (1) from <statement sequence1>
8 g( N/ c, J0 |0 z until <condition> loop
! n! f! w* e7 P0 F H <statement sequence2>;
, `* ]& K* O* M$ q" z- T end;
) O3 f3 S4 l; @) Z$ [, M (2) while <condition> loop: f3 A# l1 f; j- X$ b
<statement sequence1>;2 r+ P) \8 r; V$ f" B
end;
& e1 `4 `. N1 H/ e) o" W+ L: l( O+ A (3) repeat 2 E* ?; b% ]. s0 K: X. d
<statement sequence1>;
7 p3 A) Y8 m& W6 l" @ until <condition>;
% w6 {* i |! G8 d# p( Z (4) for <condition> to <condition> loop( z5 N- f: [) h" L' I
<statement sequence1>;
1 [0 g8 x+ F, ?0 H next;. _; P7 M u4 W; }: \5 H& k! A
3中断语句% o9 q' t7 }. I; t) Q# R' h! J
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( c, y( J! y* W还有很多，如有需要我把资料发到你邮箱里 1 n: c. U! G x$ _, N) _' u$ t3 T1 i
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