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发表于 2012-11-13 08:48:12
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1判断语句* ]/ v1 M& [2 R1 ~/ q
if <condition> then5 w7 ^$ p3 v9 `0 {3 Z9 k
<statement sequence1>;
; w3 S5 ^+ D% `. @0 ] elseif <condition> then( O7 \, R" Q5 w+ e
<statement sequence2>;
1 B# j# O+ L& B' C# V else
' `! B5 X, {/ j. G <statement sequence3>;8 v% o, r: n1 N( d% C* m* E
end;
) W4 N6 S( Q0 V如果分支比较多，用：9 V4 u2 ~, F; K8 {/ c2 ~% l# d! \" j
inspect <expression>- J! u& S- h! ?& p& @& f0 e {
when <constant_list> then
R% o4 H& ~4 J <statement sequence1>;
! G5 J0 X7 \# h when <constant_list> then
- J* `1 j- |; p/ K6 D. X$ v <statement sequence2>;
5 Q5 L9 A* K+ v3 U! V+ G" O3 y ...
/ L# F, [" |+ b" U$ g% r& E else. Y* s( r2 }# Y+ f+ b0 B* S" P, a3 y
<statement sequence3>;, @$ d. ]. z5 G1 S( j
end;* s+ Z& M7 S/ X5 S9 l
1 c- ]' L, }# w8 F K9 o2循环语句7 ~4 Y* I U( e F9 o' v% h' ]
(1) from <statement sequence1>8 `$ o" O4 o0 K7 m' L5 `1 {5 p- B
until <condition> loop
. Q% \+ i' n `7 K <statement sequence2>;
' C2 W# N1 j+ f8 A end;4 g# I8 j- S6 X3 X. _6 _
(2) while <condition> loop
$ z9 r% Y4 b& {0 n9 _ ~ h V <statement sequence1>;
" }, B* k* b3 P end;2 D4 E% x, L. Y3 w5 l# X! ] [
(3) repeat ! S. o* Y% y/ I! v
<statement sequence1>;- l* Q# j8 R' G' w8 E8 }6 k6 _
until <condition>;
+ N7 B+ Q+ i( P: Y3 N- `1 T (4) for <condition> to <condition> loop/ ?( ?- X+ T1 A9 f S- {
<statement sequence1>;- c. Y* i: f H$ d" Q' d
next;
0 E/ |' u5 U4 K3中断语句7 ]" c! t( k' h) X" m/ ~% _
waituntil <condition> prio <integer expression>;! I l6 }1 k9 @* C. Y: r
* h9 ~+ Y0 h3 ^5 Z5 k
* t, l6 n/ h: Z( B5 D- k( }以上为常用的函数！
8 ]& V, P4 t2 G2 Q/ W0 {还有很多，如有需要我把资料发到你邮箱里 - `4 l! A( f1 C* q/ |# I
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