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发表于 2012-11-13 08:48:12
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1判断语句
, d$ S% F3 i6 y if <condition> then
7 P' W* S( V. H: }2 _3 v <statement sequence1>;' l. `6 X* f5 f$ E% h
elseif <condition> then
/ g% E: p8 |( A n <statement sequence2>;! j$ H8 _3 q3 ]3 e
else
3 g$ M4 I# N& s" o# \% q/ {3 ] <statement sequence3>;
- R8 V5 Y3 u+ u+ ?' v, A( B8 Z end;
9 a' f, O! X0 A2 b' }如果分支比较多，用：
" W! K; n3 N% r" H V inspect <expression>
+ c4 ]. \; r9 H( n" M% D when <constant_list> then1 I; }* a( S' F( r
<statement sequence1>;
+ q% T2 R. v$ M7 [( A, ~7 s when <constant_list> then% o9 ?: q4 I" h- [# G- ~
<statement sequence2>;+ P2 [! @4 T2 V7 K* ~% k9 F6 `
...
! w( _; p( m+ N else
! B. w2 H8 M# c1 {. R& h <statement sequence3>;! q( v% y) e" ~; \' A
end;( V! p' P* q% d d3 a& ?: |. Q, C
. w3 Q& _' \( X. W! H T& x* \2循环语句1 r' m' s( w0 @- Y6 ~
(1) from <statement sequence1>; `7 g- Q& C4 w( r# a! L
until <condition> loop
) e1 r' b: d- B% o' S' s8 } <statement sequence2>;( e( w$ ?/ G3 G; G' f; I
end;3 b" J" _0 Q2 @/ k3 N
(2) while <condition> loop: t$ s5 y& V% O) E) u+ R( C
<statement sequence1>;) \: l! X. t4 v
end;
1 h* \) n1 C( R: ^4 }- x! ~- N8 P (3) repeat
2 m" U r% t1 m8 ]5 t7 ~$ D4 ? <statement sequence1>;
9 Z( n" w5 c7 Z9 y until <condition>;! Y! C' P. f) @' J2 h2 C
(4) for <condition> to <condition> loop- I; x5 d% _8 _( A- Z7 ?8 ^, c; a
<statement sequence1>;
2 g4 j/ y& g5 r( M3 m7 u; D. n next;7 N* ]9 T# y9 N; Z2 O0 U A8 L
3中断语句
8 M: E' F7 H7 n% [' z* {2 C( }$ B waituntil <condition> prio <integer expression>;( |* y1 y7 e7 y8 \
5 H4 n, U. b4 t4 `6 S: S
' \! N) @7 ~, F. f
以上为常用的函数！
3 b& \+ e+ j5 |( O5 T* @( |+ p1 p还有很多，如有需要我把资料发到你邮箱里 ! h ~$ Y' M$ B6 ~9 ~
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