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发表于 2012-11-13 08:48:12
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1判断语句* j/ \" K' O) E& M7 J! A
if <condition> then, H' @$ B' ?, B- Y; o/ _/ C
<statement sequence1>;7 f+ C1 [+ d( w0 t3 W
elseif <condition> then- w4 P- h, U: C
<statement sequence2>;+ u- L/ Q% B8 B0 g) T2 D
else
; T5 d$ }6 E' b! H <statement sequence3>;
, E$ K! |+ K9 v: l end;
4 h( e+ v3 _) p; f, e/ b5 f) B如果分支比较多，用：" m; T& V4 m8 I6 ?
inspect <expression>4 A1 q' `& F- ?) ]) @9 U
when <constant_list> then
/ |6 i3 S" y: h <statement sequence1>;
/ }6 y# a/ b1 T2 |: a) ~ when <constant_list> then
& M4 Y5 j/ A C& E: M& n1 ` <statement sequence2>;' h' T( e- ]5 F& Q2 W: M% s r U
...
" z( S: P6 z0 B& [& a/ L else
# h: M' i& {& S7 E4 f <statement sequence3>;
+ W1 w$ Q" t6 aend;
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1 G, W' L& x' i/ k2循环语句0 R2 q3 g) v2 f; r. K# y
(1) from <statement sequence1># S5 v9 F \# M. P# j
until <condition> loop
# _8 L* ^4 D+ u <statement sequence2>;
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(2) while <condition> loop7 w# e4 } Q' c4 b5 |! c' R! ^
<statement sequence1>;3 w S9 b8 W ]$ x/ X. Y% s; p G
end;; w4 o) X0 K& w/ p. W& L. S C
(3) repeat
Z8 H! _0 G% _, x3 O <statement sequence1>;
. S) E3 S: S6 z/ u' E$ V# W until <condition>;
3 b" ?$ r+ s& |+ k+ g! k ^8 C (4) for <condition> to <condition> loop
7 e" I7 B) u+ @ <statement sequence1>;+ V# C, ^' H& m0 p' Z
next;) Z3 X. j- H) d) w& t
3中断语句" P* T! ?& D U, w# T3 x
waituntil <condition> prio <integer expression>;
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以上为常用的函数！' B5 d9 c/ O8 T$ Y6 t
还有很多，如有需要我把资料发到你邮箱里 1 T6 Y% ~/ m" y
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