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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
: l8 \0 \9 O( O1 W if <condition> then/ _2 |: j) {' ?
<statement sequence1>;
, _( `( U0 `- ` elseif <condition> then! J, a1 v& H/ T8 W& r O" K. z
<statement sequence2>;! E( c9 U7 q% y/ x1 a' S9 x. P* r
else 4 C, C( D/ ]- \) U
<statement sequence3>;6 K; S5 Q: U/ @" e
end;1 O% R( E& Y$ }% u# i
如果分支比较多，用：2 f$ f" p( H2 n6 H
inspect <expression>& X. T/ ]3 ^# O9 u7 @# v' v' o7 D
when <constant_list> then$ q1 ]* g& } \2 u& j' H' O
<statement sequence1>;2 ~: W' y4 \4 x5 ~0 {0 T
when <constant_list> then
' c8 l) l9 A, ^9 A S <statement sequence2>;& p& C# ^- H3 v7 Z1 Q0 s" x
...
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<statement sequence3>;2 j* e. n$ b: |; }' Y0 C8 I, }
end;3 l9 J: C+ I: `# ?6 Y. a8 [
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2循环语句
8 K1 }7 Z& h2 K' o% ` (1) from <statement sequence1>, w5 F( q, h. I: o( @
until <condition> loop
+ X6 i: V. v }/ u) l: s8 s8 M <statement sequence2>;9 n% J0 H. x+ j5 O! C" `
end;$ S! o# V: S" U# ]( G0 @
(2) while <condition> loop
* K5 H9 D9 r: z, v! z <statement sequence1>;" B: l, A( u9 G
end;5 J6 F7 p8 S1 X
(3) repeat * n5 c6 }; ?$ ~/ w! g
<statement sequence1>;! k4 o. k7 n1 x/ L& C5 ]
until <condition>;, `$ [& g$ |. {3 {7 j: p' J
(4) for <condition> to <condition> loop
/ p& v3 k; ^6 |$ L+ A0 L7 v7 o% n1 e <statement sequence1>;- {: b' X' s6 h7 O
next;
% o" q, x) Y/ ~3中断语句7 d, K- B7 e0 ?, H9 ]/ c1 x$ r2 ^
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
c! k l+ w; [: |还有很多，如有需要我把资料发到你邮箱里
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