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发表于 2012-11-13 08:48:12
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1判断语句9 k8 _* o% {( A1 G- `
if <condition> then- n* e9 L. R: N0 |9 a$ N3 k
<statement sequence1>;: {! v! L5 \+ |# N. k0 Q
elseif <condition> then
8 l# L1 \0 I0 t- d7 Z2 I' @ <statement sequence2>;5 }& R4 o5 |6 p; g( t% \& ^
else 1 l0 W6 X m; a3 R* |
<statement sequence3>;
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如果分支比较多，用：; F7 g5 M/ c' x5 ^% R4 _
inspect <expression>) ?4 x' k! i; F- |
when <constant_list> then
2 ~3 f, q* Q; w; J' A <statement sequence1>;
, Z3 c) x* I7 s- P4 I. v4 Y when <constant_list> then2 s% D, ^8 Y# w* R. i: N* u
<statement sequence2>;, f& d) B: K* Q) k G9 T: g0 {! Q/ V
...; ~2 d3 u* \$ k4 S7 D
else$ Y" I0 O2 {4 o
<statement sequence3>;8 r" t* \5 ]% W+ R% h
end;
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2循环语句
) e9 |' R% `6 D9 b, Z) R) n (1) from <statement sequence1>4 D9 f* x& p j) g# {/ L
until <condition> loop
7 U$ G T: ~9 O( i; b+ a <statement sequence2>;& N, @9 z" }: o2 A J2 d2 f& S
end;" G% v* [2 b$ ^1 [, c3 M2 h
(2) while <condition> loop9 s/ P+ k' S9 d- Y( B! A
<statement sequence1>;% [( a/ P6 s! ]5 h$ ~
end;
5 R9 m( z# F" G y (3) repeat 5 s7 K; |7 B6 `% [
<statement sequence1>;
: F1 k+ O, }4 P9 s: Q until <condition>;
3 S% h" a9 j+ v+ @% \1 [ (4) for <condition> to <condition> loop
% z4 N7 H8 W# t; p! m. F <statement sequence1>;8 J: d3 P, y" `- g. @/ d
next; y: |. F# c5 k
3中断语句
2 }/ j- B/ u+ s, Q7 R! u0 i- j3 Z. m waituntil <condition> prio <integer expression>;
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以上为常用的函数！- o9 d, r, j, c9 P" e1 {& ]
还有很多，如有需要我把资料发到你邮箱里 & [/ S) y/ i. G. D2 ?- }
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