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发表于 2012-11-13 08:48:12
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1判断语句) ?/ c1 b8 b1 u! l5 Q j
if <condition> then
$ {( a* E) d( `5 ~; O <statement sequence1>;) K, p- B6 G4 `4 x: h# ]
elseif <condition> then
7 x8 T2 ?4 U6 L5 }- H) I- ? <statement sequence2>;0 K5 ?4 P! l6 a( m7 _6 s/ s
else
6 `% W0 c. m/ n <statement sequence3>;
9 x8 P5 a' H2 p0 y' o end;: v- A" {! T2 E) l* ^6 n
如果分支比较多，用：, [4 O8 {# @4 J( |; F9 P
inspect <expression>' L. I8 A5 K0 r8 l$ S$ t" O
when <constant_list> then
1 T+ n+ H+ ^+ V+ d <statement sequence1>; D7 ?, K \; X
when <constant_list> then
8 d v- N. X" R2 M* q, t$ M) ? <statement sequence2>;
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else
; U& h3 ~8 Y3 ^* E! d9 Z <statement sequence3>;
! M2 C* y- a3 j! Y/ A& pend;
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% j9 Q9 A5 O: }' v. p0 Q2循环语句, }( `% o$ j) r; ]
(1) from <statement sequence1>3 b) N+ t( n; l+ Q% U4 Q
until <condition> loop3 e; |( V, A5 u& M$ s1 i
<statement sequence2>;
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(2) while <condition> loop
4 J* K' R9 o1 ~- P1 r: n% c <statement sequence1>;. d% z6 P. f4 M( Y4 c9 b
end;
+ u6 D* {3 y" B& c& b1 M (3) repeat
# h2 ^, S8 ?/ U) O <statement sequence1>;2 C9 T9 Q+ f4 v( w9 H1 l
until <condition>;
! w# F5 k) n* a) ` (4) for <condition> to <condition> loop, K/ A7 B Z4 S: W4 F
<statement sequence1>;
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3中断语句
' Z9 |! B# U- A/ {# ? waituntil <condition> prio <integer expression>;* o' O6 Z9 u4 ~) b- c
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以上为常用的函数！: D; J- f4 o( ~% j- h! K
还有很多，如有需要我把资料发到你邮箱里
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