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发表于 2012-11-13 08:48:12
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1判断语句# z7 r: D( H, Z/ K1 d3 O1 H
if <condition> then
# ]# q7 G6 k: P1 q <statement sequence1>;# f4 T0 `8 M/ x6 Z
elseif <condition> then
1 x/ y f' ^+ D! b <statement sequence2>;, P/ j) H5 _$ o" R# P9 c
else ( f4 K/ a! Z3 u1 b/ u* Q
<statement sequence3>;
. f1 S( f3 O* @/ d- |- i end;
1 i- _! x4 l; k& T' }如果分支比较多，用：. E: Y. m# [& E, w. V# {
inspect <expression>0 W! m4 |. P) [
when <constant_list> then
" @0 f* _- g6 G4 e/ M5 v: V <statement sequence1>;
5 {+ I* s0 _/ `, ^+ L when <constant_list> then
: P$ h8 x( z; s8 o9 ^ <statement sequence2>;
" b% C: W: S' `9 ?% h ...
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<statement sequence3>;
$ }3 \# A- x& Z& Aend;
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2循环语句% ~3 X4 T4 {( F! z( g
(1) from <statement sequence1>
3 ~- u" T) H- J4 }& V# |7 G( i: z until <condition> loop
g9 @0 S" [( y) B6 m' ?8 P <statement sequence2>;( E# s8 N0 ~0 p* y# Q
end;
7 t! y1 ]2 k3 x. F W) \0 Z (2) while <condition> loop" N! v& c4 C3 Z+ p
<statement sequence1>;
3 P; v' l* e1 n- _+ ~3 M end;, O1 e* [+ Z3 x4 F* ^
(3) repeat 6 W$ \; y) c; G/ ]4 i
<statement sequence1>;) g9 X6 x- I" B3 _1 ]8 j4 w
until <condition>;
, Y$ o7 Y. k$ }0 T4 t! D (4) for <condition> to <condition> loop
! k3 U2 ?: d# s4 S) V" ? <statement sequence1>;0 @2 p1 K2 R% S' d
next;
) ~9 z9 T; R" ]- [* Q% v" g# w# L3中断语句2 ?; ?( W7 F' p; Z" Q
waituntil <condition> prio <integer expression>;3 Q3 b2 T) o, }& p( l8 e
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C# j7 {* _, B6 T3 q以上为常用的函数！8 O- L. p/ [" r6 a4 c3 Z* u0 `
还有很多，如有需要我把资料发到你邮箱里
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