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发表于 2012-11-13 08:48:12
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1判断语句- F! v; m2 v: F/ R! H+ e& a+ k* E
if <condition> then
4 z7 J- D, X7 ]6 G <statement sequence1>;
+ w5 @+ w8 c+ B2 N+ r" V$ U elseif <condition> then
, k T4 n" Q7 `/ l <statement sequence2>;% g+ T6 A( {- o
else
6 Y) g0 S5 m# a' B3 A( A <statement sequence3>;& t) N8 k/ L M6 J
end;! ]3 k+ h$ w+ n. _0 d
如果分支比较多,用:; J0 @; ^1 D* a- L) X1 v
inspect <expression>6 }' k8 Y) p4 f9 N1 n p
when <constant_list> then, p! u3 q" P4 ?! e1 p
<statement sequence1>;
6 o' g. Z- Q" ]: h. T when <constant_list> then$ E* u( i7 C: t' ^( d$ ^8 m" ?0 P
<statement sequence2>;
- O' d+ D) R3 U. d- U* u ...
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<statement sequence3>;
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7 Q! S, q6 {; z& p7 R9 P( Z! ]2循环语句+ ]* |. M% ^0 X {
(1) from <statement sequence1>& s) \0 r$ A+ M$ J" x
until <condition> loop
3 l% h2 R# W' Q7 V$ [ <statement sequence2>;
3 U9 Z8 Y6 R, O4 U1 G1 m end;& M- V* n8 `8 G" K: k9 ^9 X! C
(2) while <condition> loop+ c) k4 ~3 W- X! Y+ J) ~8 A, F/ [
<statement sequence1>;
2 [5 p! G- \) y# \) { end;
4 t0 C% y+ y0 |; U" }; i- Y (3) repeat # K% P2 ~# W; p' g( ]: Y
<statement sequence1>;7 Y8 {3 ^; C* B' e6 D
until <condition>;' B7 h- ~5 c, Z% F% Z: w
(4) for <condition> to <condition> loop
/ I+ Q: B' q+ x, ]- _ <statement sequence1>;
. x$ C1 K7 u* ?: ?* |7 Q( A next;" b" c8 X5 }. z: O: ?0 O
3中断语句
/ r' J- i0 P3 h waituntil <condition> prio <integer expression>;
k* \3 X' o7 y6 j& ?$ m/ }6 @
v: \. X0 y( C; y. h3 }7 ]4 V- n0 {) g9 b$ V
以上为常用的函数!
& d7 f5 r, o9 O8 R0 L还有很多,如有需要我把资料发到你邮箱里
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