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发表于 2012-11-13 08:48:12
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1判断语句
/ g4 ` P8 `4 r: k if <condition> then
' H. z. f& d, v- k <statement sequence1>;
* k$ A0 c' B2 u/ J0 t- n( A" G" \ elseif <condition> then
1 A2 K" D/ B( p <statement sequence2>;
3 }/ p3 |+ d% Z else
$ j' B3 m4 Z- C" I4 b: R <statement sequence3>;
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如果分支比较多，用：2 A& v* ?- X% {. E( v9 }
inspect <expression>
' _: Y# n9 ]- u- C6 a4 G when <constant_list> then
4 I% j* I, @6 ~2 f4 U! P9 d4 A' R <statement sequence1>; ~% B; L/ L& L. q
when <constant_list> then
+ x$ v' h! T+ R* G <statement sequence2>;% C3 I9 L, A5 v
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else$ L' @5 l, i _
<statement sequence3>;
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: }4 K: Y: C/ G3 p h+ ?2循环语句
4 q8 D' u0 d; q$ K5 ~ (1) from <statement sequence1>7 |. F& T2 f% _1 G0 e1 i( _, d: |
until <condition> loop; C) v- K; g4 y* j+ V6 ]( I
<statement sequence2>;, ~/ m( X( A3 Y
end;$ N; N; p* \0 Y8 |* l
(2) while <condition> loop
7 k( I8 b. t3 a$ z4 H7 m2 f <statement sequence1>;
% m8 t4 p- t: {1 T end;
3 {1 V, y* [. a. A) h- b" E (3) repeat ( h6 h* s7 C% K+ q" |
<statement sequence1>;4 \! L+ N! Q8 x5 l$ M: b
until <condition>;7 b$ h5 s4 _, c, {/ |, g% q( i; F
(4) for <condition> to <condition> loop' S1 h6 U/ P3 d6 L5 `4 r0 Q
<statement sequence1>;
( b( A! `# @* o) K, {0 X8 J* z2 b next;
8 x9 J* ?$ _8 S( j& a$ \! w1 x$ a3中断语句! W4 |1 e4 h Z& v4 |' Q1 z
waituntil <condition> prio <integer expression>;
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- H& a; h6 U" H; o- ^: m4 s6 F以上为常用的函数！
5 Q* i1 d, ?: g" s' n( {还有很多，如有需要我把资料发到你邮箱里 * y! R' a& b8 W5 t, v; y
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