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发表于 2012-11-13 08:48:12
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1判断语句0 a# ]6 U$ k! Y" ]9 N3 h
if <condition> then
9 ^% O" z/ |7 F- ~) q <statement sequence1>;% g" p7 y3 G( I6 f
elseif <condition> then
1 a" w1 {' X$ C# v& Z <statement sequence2>;5 l- M+ ^6 w* c$ j4 \4 G+ E
else
) g5 u/ @* Q& u( C. X <statement sequence3>;
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如果分支比较多，用：
. B4 T& P% Q( K' |; g' R; O inspect <expression>
. l9 x8 N( b: |+ h# d- y* e7 `0 Z) { when <constant_list> then, g' }7 ^( ~) z% E! n+ Q- ^2 |
<statement sequence1>;
% _& F+ w9 r# M5 t" N when <constant_list> then4 P; {: U1 ~6 e# v
<statement sequence2>;
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else' P+ M, d0 Q) s* v P% m3 N
<statement sequence3>;
# |2 G! F. c8 I* n5 o) Bend;
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7 k& I4 A4 x! {2循环语句
7 ~0 I* |% C) s5 c/ y/ d (1) from <statement sequence1>
; d3 S. e( \8 M! s. k$ r% \ until <condition> loop
9 a8 v6 O3 N" o4 X' ?! r! d <statement sequence2>;
5 k7 q. q3 _: E- A0 ^5 o end;
3 i1 |( ?; v! ?% E4 Q1 z, H (2) while <condition> loop
; k y/ O$ Y' E7 I4 l6 W <statement sequence1>;4 f5 O1 {+ _/ V I* r6 |4 u
end;
* K! E. R5 h) w* T( c (3) repeat
+ I1 l$ p; D2 K7 C7 {' Y$ p; h2 ? <statement sequence1>;2 e: B# r0 Z' x L/ o5 o
until <condition>;
0 k( o2 a! p: n; f (4) for <condition> to <condition> loop8 l' i8 t; s# _
<statement sequence1>;. h _. P4 c( r% Y
next;
7 g3 ^: e& v0 s1 t3中断语句
9 M% Q9 y6 q$ f) c a3 [: ^2 E p waituntil <condition> prio <integer expression>;
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以上为常用的函数！! X4 z: N1 p4 g, G
还有很多，如有需要我把资料发到你邮箱里
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