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发表于 2012-11-13 08:48:12
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1判断语句
0 m/ p$ M4 @+ C4 Z" T" b; O7 R if <condition> then
2 r/ U. }# ?- `- F( u <statement sequence1>;
! u' s, F% ]4 j elseif <condition> then5 n/ I+ ^1 Y% ~$ z4 ]. X: z
<statement sequence2>;
# U7 {" o9 C0 u& R d' Y else
, T6 W8 [3 m+ K0 p1 U <statement sequence3>;
/ L; \9 V+ i* U5 U# \) T P end;
! p8 v, T- r' s如果分支比较多，用：
" }# E/ d+ ?! `& X inspect <expression>
9 c2 w9 ?" p, J/ M6 T5 T when <constant_list> then( G- V: c# a/ Y* ]+ D$ c7 P
<statement sequence1>;
I# t3 i/ D" H* E+ H! ]3 ?9 @ when <constant_list> then
! u3 @" ~9 B$ Q* b. E <statement sequence2>;9 {; y6 E, a* c+ P. q* R
...
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<statement sequence3>;4 t! G/ n5 j- o* p
end;
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( w) \" ?* H3 S; l9 S2循环语句2 Z# X" u2 P% M7 z. c- ~+ j7 `6 T/ {& z
(1) from <statement sequence1>
$ ~3 F- o( W) z/ _5 q* z( s& U until <condition> loop
0 w/ f [, S1 i' J <statement sequence2>;" G- R% t' k' G) n
end;1 E2 D6 D2 t5 _3 V- G( g5 k3 x( _
(2) while <condition> loop
* t* a+ ?* _6 X- o# K <statement sequence1>;
6 R4 W3 R$ j, [4 l end;" n& U/ z: n8 [% J; a
(3) repeat : G/ [( ]/ r3 `/ M$ K
<statement sequence1>;2 w) j( B! N) X" @$ r- x4 g5 E
until <condition>;, K) I; R5 e# t% O% P! {: j9 @
(4) for <condition> to <condition> loop
5 A# `! |) i6 N9 T U2 w <statement sequence1>;, Y5 ~- X! Y4 }) `- S
next;
0 B$ b, s# g, J8 f, i3中断语句* \ P0 [( H7 M) v; O# l( Z O, N
waituntil <condition> prio <integer expression>;. m& @( p( I! ?- m7 _, d3 R
2 {3 E7 d5 k9 j) C. _- N+ V4 N
# W7 @4 G' b; K, {$ }& O以上为常用的函数！
2 w7 I: ~9 g( Y9 s2 Q& P+ n1 t还有很多，如有需要我把资料发到你邮箱里 + @ x* L$ y5 a; n2 x, V+ _! v3 b D
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