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发表于 2012-11-13 08:48:12
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1判断语句. P) P$ u; |8 P; X
if <condition> then4 D. A( t; V# G6 B( F
<statement sequence1>;
" x2 ~7 P9 {. w elseif <condition> then
( V c5 A; z& S <statement sequence2>; M+ `2 L/ Q9 g5 h) h
else $ c; h4 X- g+ v
<statement sequence3>;
- M8 H. D5 |/ V5 U end;
; d( I6 b- y* F- q如果分支比较多，用：) q% `% ^/ J% o, Z( C
inspect <expression>
+ [, E7 ~" I7 g when <constant_list> then9 u- s& S( S" x
<statement sequence1>;& b! v8 e/ L/ W0 g
when <constant_list> then
: e( |5 o8 A' I5 h <statement sequence2>;
) t5 }/ E$ j; K, `, f: s ...
/ o! C: L8 e* Z3 H F else( j0 x w1 ]( ^; @. \/ C4 z
<statement sequence3>;
6 R" ]. l7 L( Q( S9 e$ rend;
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2循环语句
& L6 d* }8 B. d' | (1) from <statement sequence1>
% q4 z, \1 v- C+ n until <condition> loop4 W; {1 r& D) l. L* ^1 \
<statement sequence2>;
4 p6 F' p5 d& c! t9 B end;" ~7 f7 G; E( v$ H v: _
(2) while <condition> loop
$ G7 X1 @- Y3 r% u& G0 O <statement sequence1>;
$ w. l6 n2 P0 ]! M end;7 j/ T. y4 g% f) J
(3) repeat
: L. u2 L# X# X0 {7 J1 Z" J* X& V) M, r <statement sequence1>;
( p$ q& q, H3 y' u until <condition>;! q3 d" b9 g; _6 [6 c: u
(4) for <condition> to <condition> loop1 |' M1 u1 n7 H0 K
<statement sequence1>;$ ~6 `7 `5 U$ K7 z$ l1 q4 k
next;8 x# v, w/ S+ ]) o" s* Z
3中断语句$ e) L6 p' E! F/ _# s0 C
waituntil <condition> prio <integer expression>;: i. z o$ ]6 h; l3 D8 \# O3 ?8 \' w
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以上为常用的函数！
. r! U% H" n9 K9 j" W# i8 B0 F还有很多，如有需要我把资料发到你邮箱里 1 s- ?3 ^9 B% ~3 V9 [+ \8 l
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