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发表于 2012-11-13 08:48:12
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1判断语句% K* G+ r4 e* H: b3 z
if <condition> then
5 @, c* v g/ N7 N, ?* c0 V <statement sequence1>;% \, i+ Y H8 M! b. t9 K* r! s
elseif <condition> then+ q' h8 S: y7 r% h! ]0 h& g
<statement sequence2>;9 N/ s- I- n- f1 a6 m0 g0 m" A
else ' B& b. H9 J* H9 x" z1 V
<statement sequence3>;
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如果分支比较多，用：8 _( s( s6 o5 t2 q9 n1 U0 k
inspect <expression>
5 w5 r( P* t+ D when <constant_list> then: F' `3 O3 ]* w$ _7 Z) O
<statement sequence1>;: r0 a5 N* k" x" f) P6 z
when <constant_list> then: ]& @# C8 S4 i9 K3 z4 m
<statement sequence2>;
1 c4 o3 W7 K' l( q7 L- V2 A" l9 N6 G8 E ...
; M/ H+ V2 D' z, S' b7 B1 M9 W else
% a) u1 }* _' d& g+ q <statement sequence3>;9 D+ a5 V1 X. s) B9 T
end;4 Z; W( {) |5 [4 [- H" l
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2循环语句
7 h1 r" j1 e! K! _# ` (1) from <statement sequence1>
. J) }' K5 j J3 J, E. M until <condition> loop7 S) A: e' X1 L8 w; k
<statement sequence2>;
* w6 m. |) S( A( h3 _ f end;
2 X ]2 P/ L; h3 d+ y (2) while <condition> loop
( e$ B% j' G+ B+ C <statement sequence1>;
; ^' ^2 y) x$ _; w' S4 A9 y2 R- a end;4 G8 T; u- Y' ~- h
(3) repeat & O4 o5 y9 l" k6 U W% F/ Z
<statement sequence1>;
( X, p- k+ g6 n8 [5 |) _ until <condition>;
! X6 h+ m8 ^9 V4 w/ ?6 A (4) for <condition> to <condition> loop
/ i: h" b5 \" @* |0 U' B- V <statement sequence1>;
' x4 O7 g* I6 X$ A! m next;1 h1 a# o3 Z: P
3中断语句+ y9 F0 I4 v7 v. }- B4 a
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
$ G* b% X+ C" B' T+ Y- F还有很多，如有需要我把资料发到你邮箱里
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