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发表于 2012-11-13 08:48:12
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1判断语句
" h" ]# Y9 T+ P$ \- ` if <condition> then
. N7 g) U7 u8 @. A! ?% W <statement sequence1>;+ z3 Y; [; F. l' v8 ^& v( x
elseif <condition> then* m7 T7 }1 F+ M* V: n3 P- v9 y
<statement sequence2>;6 \' ~* B0 _7 V
else
& N" G: N8 T: I/ _6 q/ o <statement sequence3>;
' |. w5 g8 i# |/ j end;
: F: q5 ^1 ~( \8 X如果分支比较多，用：
0 \, o2 B% G5 `% |3 p inspect <expression>/ j2 ]" ?+ F* l8 B$ ]7 d
when <constant_list> then# |8 I7 `" e3 J' J; l. f# d- i) H
<statement sequence1>;" n" F: w$ i. z. `2 r
when <constant_list> then
f8 a, C( _) c+ W- ]' _ <statement sequence2>;
1 W$ `: D' S& U e( e. Z ...
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<statement sequence3>;
# ^' r5 f* ]# D. \' N# Send;
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2循环语句
1 z4 d$ a! v: V: i7 b (1) from <statement sequence1>
# H( W) _1 _0 w* I7 Z4 r; m. t until <condition> loop
7 L% o* ]1 {/ B) B. x <statement sequence2>;7 {! }' ]& n; G, u0 R
end;
5 `( Z; B( z; F: X (2) while <condition> loop
6 c9 Q) M. X% Y* g <statement sequence1>;, ]+ U& h1 `; c& ]* l- b
end;6 T r1 |7 G/ f5 m0 l m+ f
(3) repeat
) v R& ^% d4 z5 @, f) ^ <statement sequence1>;
+ `. E0 \2 C) p* C) k- G' l until <condition>;
! o; y& }& a8 D3 f; t. a4 H! B/ K (4) for <condition> to <condition> loop
. T- ~2 G- Z' m; x) t1 u <statement sequence1>;
8 _3 _" C2 Y6 U5 L$ ~1 R. q# B' H" \ next;# B( H3 A% h( F2 Q) f5 U
3中断语句
. D$ r! }/ z* X, w+ |' P( R waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 }! m$ z5 p/ W9 s. D- u还有很多，如有需要我把资料发到你邮箱里 + _5 \* O( f* ~- \) [8 k6 T# D
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