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发表于 2012-11-13 08:48:12
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1判断语句
0 I7 P% k) v9 {+ p if <condition> then+ b7 n% ^/ k" X/ L
<statement sequence1>;
9 r6 c! Y9 ]$ E) w! T' c5 j elseif <condition> then. s: n/ w5 ~. ]
<statement sequence2>;
! [0 v) n3 ~0 h# l else
2 A9 B% X0 A7 i <statement sequence3>;( n8 g& X: Z* `( Q
end;4 u8 A0 q" P; `8 i: Q" g
如果分支比较多，用：
- z+ v# N& V6 a# Z6 Y6 I% Q2 Q inspect <expression>
1 v$ ?' X; @( {8 i2 ` when <constant_list> then
# a* T" `0 d6 W ]3 T a& w; a <statement sequence1>;- }6 E8 f/ m- |* X: U
when <constant_list> then
+ Y$ m9 b. Q. V3 b5 `& T# w. A3 F <statement sequence2>;
- H3 W& ^- v! L5 T; C ...
# R& g( T1 b, ?# v) L0 e0 q" t else
0 [1 r j/ |- Z0 J ^, w <statement sequence3>;/ x! i' w' g$ u1 w) g {
end;9 f |7 R; Z& B, _; @! v
* U8 g1 x: i- p' s N4 M2循环语句
, q! g+ T, p3 @; c (1) from <statement sequence1>
2 H; t- @: A- i1 F! W% V# H7 V until <condition> loop
8 T9 p7 w( d9 D <statement sequence2>;% e1 L/ w9 z& Q3 J
end;
1 m( j4 C! [4 U) E, M (2) while <condition> loop
! S$ {$ l0 F4 n. m3 x <statement sequence1>;
4 X$ O4 D/ x8 @8 ?" F end;8 j9 e3 B' C, G) i3 \* K
(3) repeat
2 V7 e$ z( `0 r" h: V/ w- c2 ^ <statement sequence1>;
! E$ P* T1 H# G/ K+ [ until <condition>; r) |+ W; _- }& ^/ C" E
(4) for <condition> to <condition> loop
5 L" |) o9 c& x0 N) n2 w; A <statement sequence1>;
( [+ a$ V$ k( m' O9 X; C1 U next;' }4 K: O! G1 h& @4 `: H$ d* B
3中断语句
H7 n" u0 A+ m0 }" B/ P waituntil <condition> prio <integer expression>;$ o8 O; Y7 Y% [5 d
+ j9 P4 g9 U8 g7 q1 N/ q
/ [( Q# J* M: a7 M以上为常用的函数！$ A' O1 {- L" V- C `7 Z! G. M3 H
还有很多，如有需要我把资料发到你邮箱里
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