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发表于 2012-11-13 08:48:12
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1判断语句
9 y$ ]3 i! U! Q& y; p; n, q if <condition> then
7 U6 d8 B) ^1 G6 @& ^ <statement sequence1>;
. @7 B! r- l5 V" R' {1 w elseif <condition> then
% V# w: m1 i) K: @4 b <statement sequence2>;
: Z/ N& v- u' W( L else
3 D7 d5 a# b3 U. q @" T <statement sequence3>;
1 r- ?4 t7 y3 [$ S, v" H end;2 j/ z, K7 V. c0 |) w7 V: n
如果分支比较多，用：# F$ Y2 X8 Z8 i8 Q. f' P Z
inspect <expression>
O0 i* T9 D: g+ S; P when <constant_list> then; @* D) F' v4 R
<statement sequence1>;& C4 ~7 }$ p, b. L" j+ h
when <constant_list> then
% z8 k9 T& t3 S. m3 Q% Q <statement sequence2>;' P- U! q+ D( S+ B- j: }
...
0 W" H: z4 A! {) z6 F; k3 i else
, z' j2 K. {. u* d7 U <statement sequence3>;
/ L' [3 f' ^9 P" y0 m Tend;
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9 G0 O2 k6 C. m2循环语句
5 S- F2 L4 s& d (1) from <statement sequence1>
, L: P/ |' i; c until <condition> loop* x8 d, P" ^$ f; E" \0 o: `6 k) P- x
<statement sequence2>;
8 P+ N. _7 O; f6 }5 L1 F9 L end;9 n H0 ^# M; j& W- M0 p/ b
(2) while <condition> loop
6 G1 j& x) c( z+ L2 W <statement sequence1>;' [0 M; ~9 E0 \7 S5 i8 a. Z
end;, u) v1 t' a7 C( v1 Q, h" e
(3) repeat
& N- \/ R' S4 U+ J C4 g. f <statement sequence1>;- D8 k" O. o: z% s
until <condition>;
* s& L. S! a* s. I (4) for <condition> to <condition> loop2 b/ t) n8 c7 Z! a; O1 f
<statement sequence1>;3 S* a# q9 G! ] [+ n9 X# B
next;" G5 K1 h9 j2 i. [
3中断语句
4 W% x" V: }, o: R- o4 ~# l0 | waituntil <condition> prio <integer expression>;& R) q1 h3 N6 i! ^' o/ t
5 Q. y. p0 L5 T0 ~8 k
: ^6 J3 \, i# d
以上为常用的函数！
/ `2 i. a' |, y/ w- g# o还有很多，如有需要我把资料发到你邮箱里 ! o9 u$ N' m1 Z
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1 _, M* ~7 j, m9 j5 h+ K6 p4 P/ C1 K1 \% ]% X# o* {' x
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