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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
- y6 O! Y9 F, n if <condition> then
1 f+ D' b+ V+ ]: A <statement sequence1>;6 _0 V$ W. l7 `; W
elseif <condition> then
/ F6 R" ~+ y7 f, `0 q0 _& i# q8 W <statement sequence2>;1 h ~" H! ], `( E1 z, E
else
7 X7 m ?0 I; [: W <statement sequence3>;% V' |" t4 |6 M, w6 t- Q& L
end;, ?' d2 p0 e* }) Q2 i t
如果分支比较多，用：0 B0 n# o, i9 b' m; t; A; u
inspect <expression>" y7 P7 I4 {: O& v( c
when <constant_list> then
/ x: m' ]& X+ q <statement sequence1>;; E1 |# t" S1 a1 C4 M6 O) z
when <constant_list> then
% M: d3 p: K6 @: [ <statement sequence2>;
( q7 \$ \$ J$ E8 R) o! x U/ } ...
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<statement sequence3>;, n2 l/ d; h: ^- |4 E
end;: T+ r a. V5 n7 K2 N! n: p
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2循环语句
5 }/ ~; ^4 `8 I8 s A! P) a (1) from <statement sequence1>
d6 X# c9 F5 @5 P" l k& t# x) z until <condition> loop
) _. p. y5 C, c* f p <statement sequence2>;! V7 Y j5 x* Y
end;: z$ e3 `/ V* l2 Z. V7 U9 z9 L
(2) while <condition> loop
) L3 l7 M, Y( u <statement sequence1>;
5 I( n9 v- n- Y. S0 _7 a0 `0 S end;6 }3 e8 f! Y$ [. @9 T3 p
(3) repeat - F- `' B0 O2 E }, _. z/ P
<statement sequence1>;. k6 O* t( f4 g/ v
until <condition>;& s6 G5 `3 X1 Z) n3 } i
(4) for <condition> to <condition> loop" e9 m3 W5 `7 p7 x0 W$ o
<statement sequence1>;
* v( ^7 O6 o7 ]* j next; ]5 z( D: B( }6 C
3中断语句
8 m" z. ?7 f v. H/ w5 k, z# ? waituntil <condition> prio <integer expression>;1 n+ B" O) j; {4 @6 P
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以上为常用的函数！* e4 C! M5 q7 K7 z4 Y
还有很多，如有需要我把资料发到你邮箱里
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