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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句; m7 m$ F8 @( N* X; Q, ^: c, s* ~
if <condition> then
7 C) G: R' x. V, N* Z% ^! R |3 o- K <statement sequence1>;
! Z- h: M# U2 b! |6 ^. d; k+ U elseif <condition> then
8 W5 K( Q( e/ S4 K& r <statement sequence2>;
) i( y- }6 }" @+ ~; m$ A1 ^; I else
+ ?$ t0 N$ G F. E- F& ?* R <statement sequence3>;
; J3 K& s6 K! {4 s/ l3 ]. _& n) B1 o end;
) w) n, z8 r! t( E2 I如果分支比较多，用：5 i, ]/ M* T* p6 x) d* G1 o3 ]2 o
inspect <expression>; m' J' ~6 z* f6 z9 E2 d3 b' Y
when <constant_list> then
! [+ r4 F! C! \( H1 K) H) u; U3 R <statement sequence1>;" x: d3 M, _/ s5 }; y, }
when <constant_list> then
/ m6 L7 K6 ~% [ A! p8 e) j) t <statement sequence2>;
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else
2 j6 R+ T& P Y4 r+ u% W/ M: J" N <statement sequence3>;
6 ] G2 h! j( ~. S* l3 [3 H2 Hend;
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2循环语句' h1 i" p5 C1 N. ^
(1) from <statement sequence1>/ y$ O, @3 i, T" ]5 O
until <condition> loop" E6 r$ f* ?3 A. a3 ^) C: ?# E( @
<statement sequence2>;' w! @% n) L1 `4 b0 _( O
end;
$ p5 }2 t; Q7 e6 |% E5 |4 s (2) while <condition> loop
+ r/ y9 {2 J* x( o d <statement sequence1>;
& i: `! K8 T) e! K, ^$ e end;
$ | f$ t! E# t (3) repeat
' k7 d2 L7 b9 H <statement sequence1>;
8 g8 \6 d" f! o/ r$ |+ _- c1 c until <condition>;
+ w8 z) y R& R# a) K7 L (4) for <condition> to <condition> loop1 }" m8 r2 y' B) r- s, X
<statement sequence1>;
1 H K' r4 w, W3 u$ ^8 P next;
6 f. F1 `1 j1 K1 e( Q7 P3中断语句
& I6 S8 w5 ?$ C+ ` waituntil <condition> prio <integer expression>;- F0 p) X8 y5 a! W- ^
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以上为常用的函数！
' c9 l3 m5 O j3 ?7 r& s还有很多，如有需要我把资料发到你邮箱里
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