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发表于 2012-11-13 08:48:12
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1判断语句" N6 W1 |# H3 x+ |0 t, S6 P9 q% `
if <condition> then
3 `( A5 Q; t* P3 P3 k |" u <statement sequence1>;
* k4 @% R; b% H6 R% _+ ~$ ?1 g elseif <condition> then
5 V! s$ }7 L* R1 \5 u* @7 | <statement sequence2>;
" a! E! F6 z0 y, K5 G1 | else
" b- ]' S. g5 G <statement sequence3>;% i5 r! c% K+ y% O h7 l0 C: y
end;
- F% Y3 P% J% {) o# K9 Y) f如果分支比较多，用：! z" y2 g! o0 \+ \- `2 F
inspect <expression>
* F& O7 F4 E" l2 _ when <constant_list> then& J6 ?. H# [* ]' e0 Q
<statement sequence1>;
7 O4 g/ e+ ? e& j7 K when <constant_list> then
3 F9 n7 |: J M2 t <statement sequence2>;2 P3 N8 Y2 x% V9 J( o( l
...
8 z7 X* S, z4 z- F8 l else
+ }+ B" X4 w7 b& r: R$ M6 _. O* | <statement sequence3>;; P" R4 p, ^7 b
end;( Y+ r9 _; Q* t" C/ ?! m+ M. M
! I0 a" k0 I/ c# n7 }* X' v+ w# S/ P2循环语句& a) L# d1 ] T* s
(1) from <statement sequence1>
# q1 w/ H3 A" j; o6 Y4 v until <condition> loop3 Z, g5 m/ e. j9 _, D6 j
<statement sequence2>; I3 R1 k* |0 g$ I0 ^
end;1 i" b& P7 n" }$ B$ H5 J" u* v4 g, z
(2) while <condition> loop
* k& `. A j* N# \2 c) p$ W <statement sequence1>;
% |2 h2 Q! d+ ~& Z: _ end;& I( l3 }' v1 m2 i7 p3 }( k
(3) repeat / |: I! `6 [/ ]. q" z9 q. t
<statement sequence1>;5 } Z; g+ |! u8 r
until <condition>;2 _ V) h+ z( K z+ n, ^
(4) for <condition> to <condition> loop. w$ T1 G7 E; l. D7 W
<statement sequence1>;' A' m9 E# A8 L* R2 w z- d
next;1 P2 v5 B0 s X6 i
3中断语句
9 {7 }4 {9 k/ ] waituntil <condition> prio <integer expression>;3 ]* O, F1 ~) g# q+ {. K* l
4 N$ }! z/ K7 r" X8 Q9 ^* e. s
, O' Q& f, P9 n
以上为常用的函数！
& m2 x: S- }/ F' v8 I7 C还有很多，如有需要我把资料发到你邮箱里 % \% \' m+ ^" [/ J, h' u2 A
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