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发表于 2012-11-13 08:48:12
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1判断语句
0 g! J# s6 k" x; _+ q if <condition> then. b$ c% S# Q' C# l4 A; y
<statement sequence1>;
* C. U2 _2 ^! p( A6 n elseif <condition> then: j' W/ s# s. X8 @3 X1 W: P
<statement sequence2>;
7 }% I7 C4 i { U else
. A/ G' C; y7 F$ N <statement sequence3>;
8 E; e9 y# g. Q0 ~7 A/ ` end;( x5 S+ G* C4 h6 `& i2 K, m b
如果分支比较多，用：* |3 p7 W2 T0 L3 Z, m
inspect <expression>& o* G/ n3 Y- j! |( O1 R" k, e7 N: g
when <constant_list> then
3 [. n; q3 e z# j1 l <statement sequence1>;
9 D% H; k" g* Z2 F; _' ^5 v+ Q when <constant_list> then
) R `2 w- P" `, b( j% y9 o <statement sequence2>;3 v' t! w7 t8 Z$ B" l3 x
...2 q, Y$ D+ [" [ A8 n# j
else1 z& W' U5 w0 j% T- m [! r- I4 h- U9 N
<statement sequence3>;
" _6 g E! m. E& H. X5 k0 O' _end;+ ~$ s+ A! [: E3 v; @' O
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2循环语句8 [" G/ y1 c$ @$ A3 X$ g# g. k) R
(1) from <statement sequence1>
& b% R5 [ N; N4 C until <condition> loop
+ D% T( X) v V, J' w <statement sequence2>;% |$ R/ W; V5 Z1 M5 i5 ?
end;( a3 g" T& q$ R1 P7 N
(2) while <condition> loop2 ~, u/ O7 I5 c$ @/ u9 G! Z2 v
<statement sequence1>;$ \- J! G3 F0 I1 h; o% K8 D( R' d# O
end;
; f! }2 }- N; J, s% z- P- S+ m; T$ W( T (3) repeat
; z; H3 K0 t( O! f7 Y <statement sequence1>;! |- l- y& m9 M) c
until <condition>;% l- e9 S8 J4 a6 m' f
(4) for <condition> to <condition> loop
& L4 r( C4 l+ I& ]. S+ @; V+ ] <statement sequence1>;4 D& }- G0 _) h0 }4 T! `+ g. g
next;
. }# G$ S/ t' }6 o. c3中断语句
, M8 R, f' Q, R% S: ~1 P waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ N; e6 q1 R! p0 s
还有很多，如有需要我把资料发到你邮箱里
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