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发表于 2012-11-13 08:48:12
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1判断语句
' i8 e7 P: H& e+ o* b2 w if <condition> then6 ~3 {1 H) o! l+ f4 }3 q
<statement sequence1>;9 _0 Z H- ]/ e* f9 Q8 @
elseif <condition> then) ]/ j9 }* c! P% N) `, p. _
<statement sequence2>;
1 j' q6 s* f8 X8 } else ( _$ x; C; E9 R& m/ K4 \
<statement sequence3>;' F+ a( ~% O# S' E# U
end;
9 l$ F3 ^$ ?$ E如果分支比较多，用：- F- q$ N) N% M b
inspect <expression>2 l3 B; X( o& G/ \% ?
when <constant_list> then
; l c1 j" u/ Y4 L( ] {1 K <statement sequence1>;) B w" a% L/ O8 u
when <constant_list> then
/ z* B, B D& V, X+ I* |! l$ t1 t <statement sequence2>;
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else4 o) K' b- t% |* @9 z% F5 v! r
<statement sequence3>;
7 E$ S d4 _' w) p$ j9 fend;
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. o7 k! N( m! b( [: ^: w! X! |9 K, y2循环语句
4 u. F, T6 y8 x8 } (1) from <statement sequence1>
" w1 h+ C( L% @0 z" s0 S until <condition> loop# A9 P6 g" t# h1 \0 O: r6 }% s; Y
<statement sequence2>;
4 s' h# z, H. s. i end;
; J" p- K: [8 A' X6 `/ h (2) while <condition> loop
. T( ?) _! j, W$ o) U4 B <statement sequence1>;
$ v% s6 G1 t$ y- J x& o end;; i6 n8 Z5 y- G, f& h4 L
(3) repeat 7 h2 X+ H" m( a. X: D
<statement sequence1>;
( F# R, m, J% m+ ~$ U; n' T9 Y until <condition>;
- W1 A4 L# @+ m, f (4) for <condition> to <condition> loop& o- z; }6 }3 G- S
<statement sequence1>;4 w! D; e+ V) S6 ~- M# i& H: M
next;# ^. I8 C; E5 \+ o+ l- s; o
3中断语句) K' g% ~( t) h: K, J
waituntil <condition> prio <integer expression>;4 C8 L& i. s6 E* E; q1 _# M: ~
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以上为常用的函数！
+ r) d6 Z8 Q0 c0 ]还有很多，如有需要我把资料发到你邮箱里
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