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发表于 2012-11-13 08:48:12
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1判断语句
" A/ d; }7 M8 O if <condition> then
o( X: ?# V0 Q% S# ~ <statement sequence1>;
( }. m/ E% c* o1 U elseif <condition> then
1 G+ ^- {) [5 j' t* }0 Q <statement sequence2>;
1 w6 ~4 q5 v& b else
% i- e$ F3 R' S, E8 V! p <statement sequence3>;; I J6 T, C3 n( T
end;
4 } s+ M$ i- u& X& T+ U如果分支比较多，用：
/ ]1 N) l( X) h) y% L5 C inspect <expression>
& Y: K# i# b: ^$ @7 H+ s a when <constant_list> then" n, w9 v8 a& n
<statement sequence1>;
, @1 |& j$ W' f7 S g when <constant_list> then
8 S$ F0 |- [$ P7 d <statement sequence2>;" b* D# N# O5 h- ~
...
4 g( F9 A, M6 @) o2 Y* F else
4 X" J( P% s& _$ y. T <statement sequence3>;
1 \! d* E3 C( qend;
4 E+ H. F" F+ M7 z) L7 K
* o( c9 c9 ?: \/ `* `2循环语句
B s8 u5 p( K (1) from <statement sequence1>
" q" W1 A, o* |4 C2 l/ H until <condition> loop, F- L8 Y4 ~6 z. `+ ^) n! m
<statement sequence2>;
1 G d- _5 W4 L' ?+ N" Z) v3 K7 ~; h end;
" h/ ~, {1 y' l; V( T( d- s# @ (2) while <condition> loop
, J& s9 t4 z9 M7 m" t <statement sequence1>;
0 K5 Z, z* C6 ~ j7 } end;) m5 B+ d2 Y/ v7 n
(3) repeat & S5 N$ V, V) w) m, D
<statement sequence1>;
0 R' Q( {2 R1 q! ^$ d until <condition>;8 j! S5 p$ J6 S4 ~/ Z
(4) for <condition> to <condition> loop4 \2 r8 U4 n" K/ b9 p% `- Q
<statement sequence1>;/ M* h( i! a; e0 k3 A6 ?
next;
5 ?3 V; R9 @( i% h0 r3 n3 f# Y3中断语句
4 Z3 [% f/ c. t/ }" M3 U waituntil <condition> prio <integer expression>;) k+ ~" q6 A" R. Q0 y) y. x
1 ?" D0 o) J7 w9 n7 r1 i1 O9 J: K
以上为常用的函数！
& K4 B) _9 J% V# G还有很多，如有需要我把资料发到你邮箱里 . y3 d" P/ R B5 L' `. X
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