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发表于 2012-11-13 08:48:12
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1判断语句
% J& e0 u, Z, G if <condition> then
3 ^# P) @& `. d, y <statement sequence1>;
" ]4 t0 B" D% B) ~0 T1 L elseif <condition> then9 q# p9 @7 U) u9 ?+ ~- m0 }
<statement sequence2>;8 ?- S! W% X1 a0 x8 n* n4 |
else $ R% T6 i) S0 y$ a. p
<statement sequence3>;* r8 ^8 N- }- `1 S0 l/ z% k
end;
9 a' P6 u( e0 e$ _ T. K% D9 v如果分支比较多，用：+ W' W1 Z7 h6 F( ^/ `, _1 J
inspect <expression>4 {# j. g# t6 w1 [% d
when <constant_list> then5 M3 y) G6 J" k# v2 {- w& }
<statement sequence1>;
: n; o7 \( g! f, L4 l. H, t Z when <constant_list> then
) q1 d1 \9 o6 B7 N7 X( R) L4 x- Z <statement sequence2>;
! A( E& e/ t: h% y$ r8 U G ...2 _- Y" i% I" d( e6 g: H" |( U
else
5 U% i" |$ y7 m' X <statement sequence3>;
( O# U+ ~2 K) Pend;; }( i: j$ t7 D% A/ {% B% T3 @* }
$ u7 ?' n3 Y/ z: I3 }2循环语句4 z% G" p2 M R8 T* r
(1) from <statement sequence1>8 P/ ?& I5 G' c7 w% R' m$ n, |
until <condition> loop! {6 n, L9 t3 F j/ ~6 _
<statement sequence2>;
. v% z' L" o/ \2 l2 B end;. S9 a* Q4 g; l, M
(2) while <condition> loop
0 U4 W; K# [ d; @0 w <statement sequence1>;
+ o2 _& I) }" Z/ {' x! \6 w end;% O( U5 W- K \) i! q
(3) repeat * |' r8 n0 e" g
<statement sequence1>;- a) M6 [" C2 I1 a! [
until <condition>;
1 u4 {: d4 V; k0 F( }3 W) u& e (4) for <condition> to <condition> loop
- u* [2 ?' B6 ] <statement sequence1>;
6 z0 X# I% x& z1 d8 J6 X$ H3 s next;
8 a" z$ V# D5 h: s2 s# x3中断语句: }, Z- d% F0 C9 w3 j# r; t
waituntil <condition> prio <integer expression>;, n2 V g- ]- S& l8 b9 i
' X. m3 N7 Y) Q, h4 L9 R% F
$ ?; Q" p( m6 O% `. E R/ u以上为常用的函数！
7 b* z$ d( R& ~% o还有很多，如有需要我把资料发到你邮箱里
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