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发表于 2012-11-13 08:48:12
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1判断语句6 Z4 E$ a6 o. T P* D1 }
if <condition> then
* D, ]6 z$ Q+ U4 D& B <statement sequence1>;
! G# I' E% ^, q* \ elseif <condition> then4 |9 z& u/ f1 s( S' t8 v
<statement sequence2>;
Y+ ]9 h) P6 Y$ Y1 m R# F! z5 ? else
- ^5 u/ _: R2 F1 { <statement sequence3>;
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如果分支比较多，用：
. m! H7 L1 j' D4 u7 N3 Q0 |+ { inspect <expression>
* V# Y! o7 `' o when <constant_list> then2 R. j* {, _, j9 a. f5 \
<statement sequence1>;
* Z# Y' U: _. L& |4 x" M& ] when <constant_list> then
H+ X F# F$ Q3 l' I: I; N1 V <statement sequence2>;! f3 O+ }- g; I6 v
...
2 Z: j: ~0 e7 `. [% { else( h( k& U! L; |$ r |
<statement sequence3>;) t+ T! ]4 K/ p8 ~' G6 `
end;: x0 ~2 `% |, S/ e5 m6 i. h1 c% q3 q
! S2 x6 s; M) k% m& l2循环语句! r0 d" B3 ~* z+ Q; P: g7 D
(1) from <statement sequence1>: F3 o2 R" N. T; ]' d( W
until <condition> loop, ?2 k% N' ? r5 o
<statement sequence2>;0 q; Z( l8 [( a- e% M: W! J
end;3 d) E# }* g, |( x' V8 J
(2) while <condition> loop
5 ~" g) U8 q2 {" u2 e4 ~ <statement sequence1>;* g1 H: E) J! j' u7 v
end;6 ^, J& N0 q. N* l
(3) repeat ( H, R" Y/ @' }2 {
<statement sequence1>;
( O4 ^5 z: A, N, j/ Y until <condition>;- g. r& ?2 q, c. |$ I i% y
(4) for <condition> to <condition> loop! N5 t Q; d6 D; |4 a: c6 M' A
<statement sequence1>;
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3中断语句
8 \# J! C) X: B- U _* y waituntil <condition> prio <integer expression>;
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! a/ N" o; M) L& i2 F/ _
8 T4 y. Q9 B" t* U3 E8 ~以上为常用的函数！* B& e( }$ S4 o9 T
还有很多，如有需要我把资料发到你邮箱里 9 s' h+ C" ^' X+ }
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