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发表于 2012-11-13 08:48:12
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1判断语句 W2 S! x- i9 w: ^5 ]0 D5 z! N
if <condition> then# ^5 j2 z. |2 S& ]# G x$ d6 J
<statement sequence1>;9 l$ r8 M& F2 p4 ~
elseif <condition> then6 d; n3 D* g5 ~4 l+ a/ m4 _2 Q
<statement sequence2>;
+ Y1 i" a$ C2 L+ N, V5 R9 j- @7 Y else ; ]" T ?) l5 @6 c" J; p, ^
<statement sequence3>;
# R8 l- i! t; I* p; B$ Z end;
J1 l, }1 ]9 Q" O, w4 y& c如果分支比较多，用：
: D8 p3 L- ` j inspect <expression>
* y6 \# b. {# l/ k; v when <constant_list> then4 w( ~( N0 g( b& q, G2 i+ @+ k
<statement sequence1>;
% I- M3 H$ U8 X& F' f when <constant_list> then. L% y3 P! H1 \) h& Y
<statement sequence2>;5 Z2 l1 ~2 ~% @/ ~* t
...; [/ s( F/ a4 B5 K+ Y
else/ f1 m g" o# M3 E
<statement sequence3>;
: N/ M/ i! S2 K! ~5 fend;
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2循环语句
$ [; Z) x1 P* ~ (1) from <statement sequence1>
% e* B f: Q. \" c2 V3 K until <condition> loop
/ [+ P$ M. v9 T( s$ V7 B! Z2 C <statement sequence2>;2 [2 Z2 ?7 A% D: M U; K! C
end;
% w. a S6 ?/ B- q9 C) M (2) while <condition> loop
1 R7 f+ d+ y0 {* y& P <statement sequence1>;
: z0 `/ \3 P b& x# \ end;
$ Q9 ^ |2 I0 v+ I (3) repeat & E8 @$ V: p2 b5 ]0 W) P
<statement sequence1>;& ^2 O% q% |) b& G
until <condition>;
9 g- X }5 v% M# D( X( F0 k (4) for <condition> to <condition> loop" l3 {8 ~. n2 n# L& F8 r3 x+ H" _
<statement sequence1>;
1 Z1 s4 S" }/ |8 ~- w8 @+ N next;
0 K6 `; O8 U Y3中断语句
5 X+ V2 E2 C3 A. {3 k waituntil <condition> prio <integer expression>;9 N% u# z( O* K$ t8 R
7 w0 f2 {- ^# ~0 q
0 Y& q+ L8 a0 y* C3 F& n. B以上为常用的函数！8 ?. L' W$ w. C% r+ L0 y
还有很多，如有需要我把资料发到你邮箱里
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