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发表于 2012-11-13 08:48:12
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1判断语句+ n9 H/ ]2 h& R$ `& p
if <condition> then
( R( p7 }) \, D/ M% Q/ H6 N <statement sequence1>;+ ~: ]- w( s' u/ ` O
elseif <condition> then5 @4 n8 U2 p# ]" @
<statement sequence2>;, m" X6 m' T& w" y5 r. @
else
/ p; Y6 @4 ]% @ <statement sequence3>;/ }/ }3 L" n1 x! g7 f
end;
U. V7 j$ {; u0 w E如果分支比较多，用：
5 N5 {) h! q9 t4 N# W inspect <expression>% ?+ n% `2 K: m" l4 Q
when <constant_list> then
" B# K- ]' B5 n' k9 G <statement sequence1>;6 J4 I. |5 |4 C' v1 u
when <constant_list> then
1 o$ T, ?5 _ x, R <statement sequence2>;
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else
8 G+ e% _, s3 w( {7 e; L! G <statement sequence3>;8 x; q: L$ I0 y
end;
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2循环语句
1 h4 t7 Z& F8 A4 p: e2 q5 g% j: I (1) from <statement sequence1>
# }% ?3 \* \4 C' M1 F2 y until <condition> loop3 g- K$ t+ G. M# w6 ^
<statement sequence2>;
; O/ i s+ E2 F. e, V1 M: c end;
+ w( V+ J( j0 ?# C (2) while <condition> loop
2 y0 u$ m( M3 }2 L: ^ <statement sequence1>;' l/ x7 x9 Z m. C: k0 Q
end;- y; f: O- I' J
(3) repeat & S; E6 |2 e; }! k! }0 J7 D5 s
<statement sequence1>;
1 G6 @7 r& n* b6 U8 X! t7 M1 U- L until <condition>;; B* e, l. U# j
(4) for <condition> to <condition> loop9 V1 C/ M7 K, G
<statement sequence1>;
. `! A* t- }6 u" ~' F next;, n8 ]% T i" w' q8 s5 l
3中断语句' K/ ?1 [5 d8 N% H; a" n8 x- W
waituntil <condition> prio <integer expression>;2 T( t. R% s2 u
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以上为常用的函数！
+ e* `- |. ]( N) g还有很多，如有需要我把资料发到你邮箱里 * {* J# F: t* l9 W1 y
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