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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
' K/ E! z" o% E; b if <condition> then, [ A* B3 | V4 M8 b6 b
<statement sequence1>;. K0 G% _, j& `2 ^% l* ]
elseif <condition> then
7 [. X5 k! I. b& U7 i/ e/ g! g <statement sequence2>;
- H. e' s5 n/ |/ r else ! B/ g x; A' T
<statement sequence3>;) a1 x4 r0 ^: k4 q/ z5 M
end;1 c: U2 M u( v$ g; c& A
如果分支比较多,用:
: u1 _9 P1 `* ]4 F! D% G% w inspect <expression># S, a! S0 R. H0 c0 L3 [- \
when <constant_list> then
# a: a) M0 S5 A' x. S <statement sequence1>;9 H9 y3 p) l, V5 i$ P Y- Q8 N0 r
when <constant_list> then, y: L& ]0 i0 P% o3 c6 Z8 A
<statement sequence2>;
1 S |5 o% ~0 F, H, G8 W3 p ...
! x# Q0 w+ s X4 b i9 f else+ {! j! l# s; N6 ~, D* E: Y9 T
<statement sequence3>;
5 [( i$ H/ c J* k. \& l, Rend;7 D' {& r- X8 H( Q: n
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2循环语句6 {' M) t" U+ L- @5 B: w
(1) from <statement sequence1>( q7 [% B. D% ?1 @
until <condition> loop8 a! ~7 Q9 g Z0 {2 O
<statement sequence2>;
1 z6 u% |4 K" A2 F' q end;0 I7 M4 z8 `, r4 W
(2) while <condition> loop
1 S5 I- l* c5 h) i <statement sequence1>;
$ j1 g+ c5 S* @. m3 j" ` end;
- e8 S7 E7 T6 U# g3 T$ V (3) repeat ) j5 L' H7 }) Z
<statement sequence1>;) R( x9 M0 S+ E- X) n* i0 e
until <condition>;7 o$ \4 a( e. M4 F9 M4 ?
(4) for <condition> to <condition> loop
, }* @7 M7 V0 G7 q1 K <statement sequence1>;
* }& l. a- e& D: }7 n next;( f4 x4 H% k4 r/ Y$ U
3中断语句& ^$ Y+ I8 L& m0 c! |! M
waituntil <condition> prio <integer expression>;
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以上为常用的函数!6 E- ^6 D0 e( n6 {1 H
还有很多,如有需要我把资料发到你邮箱里
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