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发表于 2012-11-13 08:48:12
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1判断语句1 q0 e% @7 X% t" B4 h
if <condition> then$ S6 I% x& Y4 s* x4 ?* d$ }+ r
<statement sequence1>;, h; W" d- h; ^' S* P
elseif <condition> then
~+ `. X- M; w1 M& ? <statement sequence2>;+ m& l8 f0 S. f4 \( ~' Q1 H
else
/ o0 F+ d( b ?" P/ u& }0 q9 T: g <statement sequence3>;
# g$ z5 K& y3 Q. x+ M9 q& P; Y6 U! o end;4 o) e) a3 o7 ^3 Y( H# M2 M
如果分支比较多，用： B1 u8 G. x: H# W1 S" b1 F
inspect <expression>$ H( u# l" D0 U( K2 r
when <constant_list> then
7 ^( N/ k$ o/ \! @: G3 k% k <statement sequence1>; _* C' T) w6 \: W0 _' N/ c
when <constant_list> then2 I# @5 Q0 T, t8 V
<statement sequence2>;9 Z- R) y( b/ V8 M# ~
...# Z0 u5 \3 W* {* d+ G$ ~$ _! \4 B' E
else x) F- E/ n! _( S" c l8 t
<statement sequence3>;& _- I* O. l/ E3 V: J
end;
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6 P& i* |8 L( n- g2 P& U2循环语句
- ^- @$ v+ X* Q4 T. B# A8 ^. ~4 S5 p (1) from <statement sequence1>: H c3 U7 T* C7 f3 A: h
until <condition> loop6 h. g B' E- }% o
<statement sequence2>;
/ V1 R0 v2 q8 p end;
/ c7 e) {1 @* _" F% I8 A. Q (2) while <condition> loop5 V! ~( \) ?' a# z4 x
<statement sequence1>;
* \8 c) [( }6 l( I3 b \' O end;
7 D3 F1 @' w e (3) repeat
2 R! w9 o* u0 P- {4 p9 j <statement sequence1>;: O; T9 u. `% K( m1 w8 a
until <condition>;
1 F2 H/ B% p; ]* o (4) for <condition> to <condition> loop- J* F' ]7 q' U$ f2 f
<statement sequence1>;% F7 a. }+ ^+ |" I& i1 h$ B
next;
9 q7 L0 S1 }8 i u8 _ P3中断语句2 q# Q" K- j+ n
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 ?8 }0 E& a. |/ k# w9 M7 M还有很多，如有需要我把资料发到你邮箱里
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