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发表于 2012-11-13 08:48:12
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1判断语句
7 D% \/ W4 y( u' V& M+ u$ b4 a if <condition> then$ ?$ q" V* ^: K r& Z8 o
<statement sequence1>;7 g, P6 B8 M7 O
elseif <condition> then! I6 r% q+ Q7 A! M" {& P5 c1 `
<statement sequence2>;+ P. n* f2 |5 c0 a$ n! Z2 T! H4 R
else
; ]0 w& M8 T+ r; t0 Y; j <statement sequence3>;
* O& T; `$ y8 _* J" [ end;
% w6 h0 n/ t" n* E H H如果分支比较多，用：2 @7 v5 H2 D8 l8 K1 ?# X$ u* r
inspect <expression>( Z7 ?) W$ u4 t$ W8 ~2 g
when <constant_list> then: G) E/ J& a6 G1 U$ |6 G
<statement sequence1>;2 F! D" E2 q# N3 d" w
when <constant_list> then
' U' P0 m# N# t3 X6 H& } <statement sequence2>;: r. Y T V" i5 D$ o
...- s2 R, s" f i s, F: @
else0 o! v2 n" ]) h) G1 E
<statement sequence3>;
: m5 `- Q2 n" v, aend;$ Q0 B: @" |' L% h( E
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2循环语句2 @( o S) s$ s0 F+ }. u
(1) from <statement sequence1>
4 h& k; \: \3 V5 q1 J X- r until <condition> loop; T: @: z4 P+ l* p+ ~" o2 k! R
<statement sequence2>;
4 I% G: o7 L/ S# w( r/ R% R' P/ p end;
/ Q6 } j& [/ `5 \/ p (2) while <condition> loop
% @9 ?9 x3 t. m Z <statement sequence1>;9 p: Z5 R3 F. ?: r3 T
end;
$ Q7 d8 g6 y$ k r5 \ (3) repeat
8 _2 m1 H& Z* M+ ~. D/ } <statement sequence1>;, X# Y0 E" [& W H0 V
until <condition>;( D; ~2 u! M9 q8 d4 E
(4) for <condition> to <condition> loop
8 m" g& n, P9 |$ |& p: V <statement sequence1>;
7 a5 h* z& K( K, B0 a next;
5 Q& [ s% \/ Y& T3中断语句/ Q' z2 N6 l1 ]7 m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 ]8 z" q) n4 J
还有很多，如有需要我把资料发到你邮箱里 6 L! [2 S6 W1 ~7 y: J0 K8 G' |. O' u
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