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发表于 2012-11-13 08:48:12
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1判断语句 R& V( U- A% y
if <condition> then7 k3 y6 B* Q! V! R$ e1 t0 m
<statement sequence1>; H! C% }7 L1 z4 \0 z& T8 h
elseif <condition> then
7 I8 ^- l- j) G* H# Z <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用： o* u. S: j) c# O1 ?1 a
inspect <expression>
" w8 ]8 a& g% O4 c5 S8 i when <constant_list> then- a5 m" m Q4 {# W7 ?* k. |
<statement sequence1>;! o& D( B- Q2 W# K, w: B
when <constant_list> then
! O* d4 h9 o1 g% B7 F- @) ^ <statement sequence2>;
, b1 G( Y4 r- ` ...
1 \ ?! W |" n. t else
! |8 }, \/ O: x6 y( o" }! l <statement sequence3>;
1 n Z& q( V1 W" _/ mend;
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2循环语句
* C" A- ]# u* ]# ]5 ~" O (1) from <statement sequence1>$ F5 j5 k( W: f. k
until <condition> loop- X9 r. \0 _0 B( J
<statement sequence2>;% d9 }! d; [, L* W
end;
/ t& F5 Z n; l3 s# K1 h! n (2) while <condition> loop
( m- p) t5 M* @9 B; q& h2 ~( I <statement sequence1>; m. H1 d: l8 t& Q5 \' Y
end;
# F! P7 j$ ?: ], s5 ` (3) repeat
' C0 a& t6 a2 X- j <statement sequence1>;
( @, a/ _2 j$ G) ~4 _7 Z until <condition>;. C8 i5 Z5 W9 E5 d% \
(4) for <condition> to <condition> loop- w" q% L; h6 [
<statement sequence1>;
+ {2 [' J: ]5 @7 b( {* `4 n next;/ U1 Z( T, Q3 x. V
3中断语句( c9 |2 d/ z/ [' A; E* e
waituntil <condition> prio <integer expression>;
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4 E8 l7 w7 j' `7 R7 |# I以上为常用的函数！
& P* X' q: J. t# y# A- I8 E还有很多，如有需要我把资料发到你邮箱里
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