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发表于 2012-11-13 08:48:12
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1判断语句
' P' ?- k- l# Y: [ if <condition> then
4 C0 j/ E* U5 p! Y <statement sequence1>;, t% v8 Y5 x% I6 s- \# ?* m: M
elseif <condition> then
% K/ Y/ X3 c, }3 U" J <statement sequence2>;3 a, y2 D0 M' R- j- J+ Q0 S+ `
else
% |$ X" K. b7 y4 s* H9 \ <statement sequence3>;2 _% Z( \5 |, d
end;$ q; X6 ^4 _$ d; L# |3 P; Q1 m
如果分支比较多，用：2 b- @3 q; K, j% A8 h2 [
inspect <expression>
( j u+ T0 H( D3 u6 o- B when <constant_list> then0 N) N' f% D% j0 y0 U( W; F
<statement sequence1>;7 o$ [) x( L3 ^: I* E6 t+ n
when <constant_list> then: `, y! Z Y' k+ C" ?
<statement sequence2>;
: D. `/ Z" Q4 C4 u1 N( o m ...
l8 d: p" P3 c% s3 C else: M+ L; b$ r* W: c+ N
<statement sequence3>;, B0 l6 e& X* e3 z; V+ L
end;8 ^( t- l) q1 V4 ~3 K& o" O
* i, S- R1 K- c J5 F- Y2循环语句6 P2 }4 [8 T3 J% c; f# A0 _
(1) from <statement sequence1>
- Q0 Q: R' e, ?& ^1 L2 J9 K until <condition> loop9 `. O. U7 S" f6 {+ p' M5 Q
<statement sequence2>;2 n5 y( J2 |% J! w& b
end;
9 r; `; U- j5 j% [- c6 z4 u5 B/ X (2) while <condition> loop( f, ~) u7 V% w" }
<statement sequence1>;
0 a- Y x; q( T* k end;& C5 y$ K+ M/ p4 S- U
(3) repeat
7 w0 ]8 p2 C# X <statement sequence1>;
, t5 k" Y) o; j" N4 c until <condition>;
! _' {0 A- \- v ~- w6 T (4) for <condition> to <condition> loop! p: e% ]5 w6 ]7 d9 b/ d) V" t
<statement sequence1>;. l# s% `- h1 [. j2 a/ S
next;' Y9 e8 g8 e# t$ I+ W) `
3中断语句
5 S+ C9 L# F9 H& E2 ~3 O3 O# B! E. { waituntil <condition> prio <integer expression>;' H3 h, H s K' `
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s. u. j9 C( A' J以上为常用的函数！
N+ m+ i/ y; r# H! m还有很多，如有需要我把资料发到你邮箱里 / l8 X% r M2 Y d1 x* f6 l% D
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