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发表于 2012-11-13 08:48:12
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1判断语句5 G- u; c4 Y% b& N
if <condition> then
1 g( D5 `) j. i7 H$ ?) F1 |- r <statement sequence1>;$ t, R0 V" c! Z% H; N9 Y
elseif <condition> then
. V% `7 [; K& y/ l1 M* w5 Z7 } <statement sequence2>;
* u$ N5 u: u- a- Z# E% _ else
1 c# `8 s* Q# @7 y <statement sequence3>;' O2 m/ y/ g, F& r# P
end;" i7 n2 |- a1 S0 b2 K
如果分支比较多，用：% R/ U7 h z" I; a; M3 B4 e3 A [
inspect <expression>
& Y A" v) U% A$ u4 D" n when <constant_list> then: j1 i% D- L7 H7 {) Q# U: k' ]9 A
<statement sequence1>;+ d: U, ^1 h: j; f. X/ A/ l }
when <constant_list> then
# e/ A0 C0 K, @' X5 ~ <statement sequence2>;9 I% j5 R) i a$ X" @, @
...7 h% k+ I3 x, P/ p+ f3 A. q
else
! z2 J9 s) f- L1 t% k. Y/ o <statement sequence3>;
9 _3 [8 Y C$ W# I, t- B v$ t( Cend;
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2循环语句
. n( L; ?- o1 h+ J7 Y, j7 T& e( c (1) from <statement sequence1>
6 H3 J/ | P% L6 }6 _ until <condition> loop1 A% l% N! o0 u
<statement sequence2>;
7 d: w/ }. F3 t7 R; P end;
1 x0 P! v5 I3 m% @4 f (2) while <condition> loop# q, c1 _ w; J6 M
<statement sequence1>;
; V0 u3 q. Y& o; h+ w# Z8 M end;
% Y L7 \0 C2 |& T; f (3) repeat 6 G) E; l' }' R+ E2 C' l
<statement sequence1>;
3 n8 K; A# ^! k- n1 T8 O9 J until <condition>;" E2 O4 T! l# K1 B" H$ v* f1 u
(4) for <condition> to <condition> loop
, c) a* W; X. j4 H <statement sequence1>;
* F5 q! l& H6 z9 _" h next;
1 f& Z( a' O( N" \2 e4 v( I L3中断语句7 t$ q. }. o' M
waituntil <condition> prio <integer expression>;
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6 k% \; g; f1 n# U! O以上为常用的函数！) x$ L9 Z. J, W8 j& ?
还有很多，如有需要我把资料发到你邮箱里
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