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发表于 2012-11-13 08:48:12
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1判断语句- N* Z' C, n! J$ Y! Z
if <condition> then; t2 T( V# c: }
<statement sequence1>;
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<statement sequence2>;
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<statement sequence3>;
: M$ i6 W: Y# k0 }% Q0 L/ K end;
1 t! |% o4 i' q+ h如果分支比较多,用:) H$ k2 @: u7 h0 @& U. e$ s8 X5 k
inspect <expression>4 ?7 M1 |8 x! j2 b' Y( Y- e6 E
when <constant_list> then5 y2 V9 \* r4 |$ t0 ^
<statement sequence1>;! e9 u# Q ]5 J0 `# g; c' B
when <constant_list> then
- G7 Z G$ Y0 J, F( [ <statement sequence2>;
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else$ ?3 R) [. I6 h8 f" E/ i; `' a
<statement sequence3>;
1 S* D. O5 y0 `end;$ u- ?. Z3 `1 ?7 h; ^5 W0 B' e
% l. e- L' K1 d6 s2循环语句
, V& `( O. { `( a (1) from <statement sequence1>, l0 Y7 ~: k0 a1 U3 ?( {/ J
until <condition> loop
' n- h1 N' U+ x% T, m- s <statement sequence2>;
. x6 t: I0 y1 q9 l, @ end;
7 ~2 _4 |" J4 Z (2) while <condition> loop: u% q% u, ]: E4 |/ _7 }. ^% \
<statement sequence1>;0 {" a7 _% u& k3 G# h; _
end;/ S7 z9 T8 S# A+ n/ W
(3) repeat # y. v0 y+ g6 B9 Z5 F9 {- _
<statement sequence1>;, w9 P- L) d# l, i! Y% z. }
until <condition>;5 z$ z. c6 u" f5 m) i+ z
(4) for <condition> to <condition> loop1 |: ?4 r# \, t8 k
<statement sequence1>;
2 U# B7 R s9 s! C+ A" V' {: V next;0 h3 ?$ n# y X l3 g7 ?! V
3中断语句1 D: e$ U7 k2 ~- ]- H r/ t
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
& a# M# F* C% \ O还有很多,如有需要我把资料发到你邮箱里
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