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发表于 2012-11-13 08:48:12
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1判断语句
& C9 }% h8 r2 E4 H if <condition> then1 i: `8 ?: c6 Q, {: ~: y% U
<statement sequence1>;; w4 h3 c+ U/ _3 r& u* H# z9 l' A
elseif <condition> then+ G( k* _7 ^1 u) N6 ^6 @' r
<statement sequence2>;& ?7 |5 r4 P) `+ n9 J1 o" h6 u7 L0 t
else
; d! a' L! e2 V! S) {% e <statement sequence3>;
* j: j6 R- F& m. V: Z0 B end;
7 P! B1 ~- t8 T$ k r+ ^! s如果分支比较多，用：+ k. N! h3 G/ x* o. q% |
inspect <expression>
2 L s9 y. [8 ? ^/ g n% d3 ~ when <constant_list> then
0 I( _2 x$ y: q <statement sequence1>;
. J" A/ q/ a' m( S when <constant_list> then& d! r0 j" |1 M0 f+ _6 Z E8 v
<statement sequence2>;
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else
8 d- `& n/ H# B <statement sequence3>;) G5 a+ A3 ^9 _* x+ q
end;) h# F: I W7 q1 W3 @
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2循环语句% V% m2 p) {9 B6 W! r" j* y. x
(1) from <statement sequence1>
! o* l. [$ K- {9 t) {) w until <condition> loop
8 X- L' c3 p" v3 L <statement sequence2>;8 i% i5 A4 e* \4 ^
end;9 {& `, w! @$ l+ ?4 A
(2) while <condition> loop5 i& s8 u/ n% n6 D: y) \0 b
<statement sequence1>;
- t2 Z4 q6 E" g end;
- G( r. v8 G( X2 L0 f+ o: i ~% O (3) repeat
3 V! C; _: ?$ s. F7 X( C N <statement sequence1>;7 a/ q7 C/ A$ H8 p
until <condition>;
7 o+ {( i! N6 k, p2 u% R0 T (4) for <condition> to <condition> loop
- I% N, S/ g" o8 g. n. {6 F <statement sequence1>;
+ U& n, l) p9 ~( L4 f3 z5 {* I5 ~ next;
* n1 N8 k9 m2 c0 _( V3中断语句3 c1 N6 B' T! `- Z/ f/ m8 I
waituntil <condition> prio <integer expression>;( }2 C/ E ?5 J! j9 L7 Q
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以上为常用的函数！ ~+ |& b4 S& d7 |* _( F; a
还有很多，如有需要我把资料发到你邮箱里
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