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发表于 2012-11-13 08:48:12
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1判断语句. o, |, Z+ f- Y/ _
if <condition> then+ U3 P8 f% C! m# G e6 F
<statement sequence1>;
; E. f9 @3 z% l7 W3 j$ m elseif <condition> then
, U- [+ b4 R9 v" }" v <statement sequence2>;+ D3 ~4 | s2 ^$ O; |
else
# }8 _4 m# D/ h0 C* l <statement sequence3>;7 [# S3 F2 Q/ [! M- m
end;5 Q( L1 l/ u ~; F4 V% @( ^
如果分支比较多，用：
( K( Z6 w( s. g$ K inspect <expression>& |- F( m& s- h# `# v
when <constant_list> then% o% X$ A3 ~5 l1 V! J1 N0 W
<statement sequence1>;
" D% c3 n; P' Z0 ?$ o4 p5 X' u when <constant_list> then
( w1 k, D! Y, s2 i3 u5 _ <statement sequence2>;+ E0 v* B7 n$ i5 h1 p W+ k
...- e; P7 ?) |5 V7 A- Q
else. _2 s) p: X B, a: P
<statement sequence3>;
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2循环语句" I$ j: j/ w! b- r) [/ F
(1) from <statement sequence1>' S/ ^5 J- L$ }, c' J' }) v* m
until <condition> loop
7 j8 I" f7 }$ I9 J <statement sequence2>;% t! |9 ?) E A* J0 v" d$ w1 y
end;
! q4 d3 q5 C1 b5 d9 \ (2) while <condition> loop
5 J% @- t0 i+ d0 u z; ]: c <statement sequence1>;
9 f9 x, J$ y! w' C. R8 F end;; P7 p+ S |; y) N4 I+ M( O
(3) repeat
& d" r/ r; |1 i) g. J6 L <statement sequence1>;4 a7 R2 Y! x9 {9 R" x9 g! D8 P
until <condition>;" ~$ A3 ^6 |; c7 h3 _0 B5 X2 N6 t3 m
(4) for <condition> to <condition> loop% b4 S) Q4 P2 | ^
<statement sequence1>;& h" h& [, m* Y: q+ Y- o) C
next;
% U7 o; m9 H8 K6 z% M. q* W3中断语句9 U) I$ G' y, H5 P$ y/ J
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 v! w4 ]7 B$ J$ S+ ?5 V% t
还有很多，如有需要我把资料发到你邮箱里
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