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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
6 l. a/ p; M- `& U if <condition> then
% P0 j$ U6 C: m4 N8 @+ Q( S <statement sequence1>;
7 r% M% ^/ O3 G3 p2 \ elseif <condition> then
5 z) _& I2 X1 s <statement sequence2>;' }8 R* F" e: g1 h1 Q+ F
else
4 I4 i/ n5 n9 W <statement sequence3>;
. m! t& B1 I- v$ Z: L* m end;
7 s; S+ s5 L; g如果分支比较多,用:
; ]# F$ s; J3 X, j inspect <expression>+ d5 B- n2 b- o( e. o
when <constant_list> then
& ?$ V1 y; R# b! a; Z <statement sequence1>;! l; j1 U. A5 ?+ [9 ^% g2 Z. R
when <constant_list> then' N* B4 ~5 I: X+ @
<statement sequence2>;
) a" ? J' f5 y$ p. D ...
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<statement sequence3>;
9 @0 e* R. r. ^; X w$ T, P# gend;
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2循环语句8 j h3 @2 V. |" D3 {( }/ h, F* }
(1) from <statement sequence1>
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: ]! @( [+ U9 a4 m! B <statement sequence2>;
. N7 B# z4 G1 E6 H! ?3 E6 N end;
4 X; z# B0 I& ?$ V, \+ K (2) while <condition> loop- G$ d1 S1 Y" E, S, c
<statement sequence1>;* f, R/ u( m+ l% u
end;+ i; P5 Y8 P! r/ Q$ p
(3) repeat
' {4 W4 x/ F. _. X% h, O. V$ i% ?7 o1 J <statement sequence1>;4 K: Y/ {4 f% O8 E& k/ h
until <condition>;* Q1 p( r% @; N$ R
(4) for <condition> to <condition> loop. E5 D+ n# j0 z4 I( r
<statement sequence1>;
5 i' a$ Z: Z- B next;8 O9 m/ o& }, a( F
3中断语句8 z# Z8 n/ U0 j$ ?5 ]! O
waituntil <condition> prio <integer expression>;
7 @5 V/ s! I: W
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! N2 W5 K7 i9 \0 u8 F" g7 K以上为常用的函数!
+ U$ W6 ~, @, c `- J- b还有很多,如有需要我把资料发到你邮箱里
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