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发表于 2012-11-13 08:48:12
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1判断语句
- | f8 e, J5 g if <condition> then9 W0 w# n9 ]0 V; {2 H
<statement sequence1>;
, u4 `* |; c" U0 [ O elseif <condition> then
6 L4 u' a% N4 \* t( N* k$ T <statement sequence2>;
; ~4 l; u0 y' H1 `& }" z. r; Q else
5 E8 A3 C L! n6 p% I% ~ <statement sequence3>;# r* D0 s5 B, \- Y8 D* J% ^9 L l
end;
$ ]4 y/ o- j' H; i如果分支比较多，用：9 }4 i k6 ^( G' a* [6 V
inspect <expression>
! _( y; Q1 K! f! B# a6 w$ x when <constant_list> then
7 D* n' [$ w6 S0 S <statement sequence1>;5 \% X% q4 G$ i
when <constant_list> then
( m7 w% h, M% S/ n- D4 \9 R2 i <statement sequence2>;
$ R0 I% I) {, M# N5 b ...
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<statement sequence3>;
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2循环语句
9 t8 M/ b! F% I0 }/ r! U' @ (1) from <statement sequence1>
2 j4 w. t; q6 ^; c* I until <condition> loop
) T+ k& P0 m8 O6 r4 Z7 b( y7 ~ <statement sequence2>;
1 l$ @+ S+ B5 I) c0 j1 A end;: i( G" k2 _, |. ~+ Z
(2) while <condition> loop
, T* a0 Q; Q/ |$ J, ~ <statement sequence1>;( ^5 G, K3 K2 ]9 W8 ~) f* Z. _
end;
# G+ F T0 m0 r2 M7 U9 O# y' S: M5 ] (3) repeat
7 Y2 _$ u: o$ a; \ <statement sequence1>;
" V- o$ s9 Q9 T: J# _7 @8 w until <condition>;# D$ O. [$ z2 r6 q6 F$ ?9 \6 d
(4) for <condition> to <condition> loop9 d, n- y, R, E3 K
<statement sequence1>;# ?0 R+ C, c& }, @) }# M* X
next;
, y1 R6 j: L+ `* m" P% F3中断语句
" o# I: Y( {, A8 x! [& X waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! S- G ]$ Q4 k7 y# r还有很多，如有需要我把资料发到你邮箱里
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