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发表于 2012-11-13 08:48:12
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1判断语句# w* m. o% _4 v; E9 Q& z1 ^
if <condition> then
) E N0 [0 c$ ~. q( `/ h3 S <statement sequence1>;& S5 ?7 l8 c7 A- u8 X
elseif <condition> then1 f6 Y1 v f! i% e
<statement sequence2>;
: h* j7 Y! { q$ D' Z0 i else
$ R' D I% G- A/ l <statement sequence3>;
/ a9 R. l" W" Z7 \- `5 E end;! j, @& e6 a6 e$ X
如果分支比较多,用:1 C3 k6 \! _% P: e7 g" D
inspect <expression>
* t0 ?) u+ n& G0 L3 } when <constant_list> then- w! s+ W# E6 S" {( w" n3 J
<statement sequence1>;
& c( D/ {, z' X. L! s when <constant_list> then5 G( \8 n6 j; c8 y% ]
<statement sequence2>;; N$ l" `- E5 x8 I# W
...
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<statement sequence3>;/ @& q+ G, ?2 h- X! s6 m9 o9 Y
end;
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2循环语句' U, x; M( D& l" y) c+ i7 C! D
(1) from <statement sequence1>
; i. q$ r6 y1 S4 x/ X1 F& u until <condition> loop
0 W. Z6 l/ \2 z4 t; H( D' } <statement sequence2>;
7 S* p+ u! L% w/ X% ]9 h4 F end;
$ S1 N9 F7 D+ D R2 z$ Y (2) while <condition> loop; V# p" v6 k2 o% W+ J* s
<statement sequence1>;
' O: B3 @# c w end;
7 X% O* a2 l8 @' E# e (3) repeat
1 P7 h; W4 r% ]( |! ]* M" p <statement sequence1>;3 D' b( u2 T, W' E8 d! k- Z
until <condition>;
& ~, x4 p6 l/ | X M (4) for <condition> to <condition> loop
' D. V+ L" V) i% i9 n <statement sequence1>;3 ]% |4 e3 c0 o0 f
next;
. s6 G+ c) j( b; O; c, x3中断语句1 b+ z' l" H) _. N8 E
waituntil <condition> prio <integer expression>;" o/ j' h8 q, x& O" T
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9 v, Z* _, c6 x8 j/ V$ G; E$ @以上为常用的函数!& I9 u' c! e; S% G7 v9 K; I$ ?' r
还有很多,如有需要我把资料发到你邮箱里
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