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发表于 2012-11-13 08:48:12
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1判断语句 P- K6 \1 n( a0 X1 f
if <condition> then
! u* @/ U0 v3 C3 F <statement sequence1>;- \! U3 T$ v! e" S# g+ i- u1 n
elseif <condition> then+ k* `% Q5 D5 a" Y! U/ }
<statement sequence2>;
- W- N0 {- p0 H* ^$ v else
1 S( L4 w4 H G+ A <statement sequence3>;. h2 v2 a7 B. b0 R+ M
end;
0 l/ n- k( Y9 v0 p* f如果分支比较多，用：
/ ], y& }8 P! a inspect <expression>
' {# E4 q" ]9 j8 Z H9 Q* | when <constant_list> then4 Z+ x5 P( P' ]$ ?7 t
<statement sequence1>;
6 Z' d' [' e9 @' b( w when <constant_list> then
' t6 v8 b& k! D <statement sequence2>;& I) I, g, X% k2 U
...
( B' Z. A" T5 \, s else
& y% Z5 J$ a# F- B <statement sequence3>;, C7 c; h" G- K! g! j3 z# R6 V- S
end;
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2循环语句
# N8 [& }0 C4 ]# l7 @& P4 A: D (1) from <statement sequence1>: v) A) M$ o+ g
until <condition> loop
$ A$ Y6 D- m* u: N <statement sequence2>;
7 N9 o ?& a! c$ Y end;7 S @- V, p7 L4 T! {. \( M
(2) while <condition> loop8 V7 |' r2 w, T# Q9 {
<statement sequence1>;) P* }* W) O2 N7 ?2 X
end;( a( P7 a( Y% }( f- W3 ~% }9 V
(3) repeat
+ F1 l9 L7 _" a; R <statement sequence1>;
: Y6 h* q; d2 ]) I& F until <condition>;
& Y3 q1 F2 O0 i (4) for <condition> to <condition> loop2 H" n8 P& O! @/ J9 W, \
<statement sequence1>;
$ M9 h0 @( `3 c1 l3 U' k+ \ next;
3 _2 f6 \, s( n1 A7 N& u6 L3中断语句
* @/ a; d7 c; k* i5 N waituntil <condition> prio <integer expression>;4 A6 O3 F' _3 q8 c+ x0 [
% ]* Q. V* A2 p; F" H4 g: `, e+ R; T
以上为常用的函数！
/ d/ y i' |9 G0 D* z7 X还有很多，如有需要我把资料发到你邮箱里
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