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发表于 2012-11-13 08:48:12
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1判断语句
0 ]1 }; Q& q* m! `4 C if <condition> then
. y4 `* J: p& s/ {, w# J <statement sequence1>;0 N8 V( q0 y/ @( _
elseif <condition> then
. X# @. C+ i* r. S/ \ <statement sequence2>;
+ q. F' M% N8 a8 J {4 G else " k2 ?" e8 i: V4 j {& E
<statement sequence3>;
- j& p! b+ \; C6 u6 w end;, t! E& K6 @( f; U. `
如果分支比较多,用:& @. ^$ b& i8 N. U: p
inspect <expression>1 D9 M6 s& C' C$ W
when <constant_list> then
/ g( V' [6 L0 W7 q <statement sequence1>;7 r7 W5 c% W4 b
when <constant_list> then6 l( Y p: d0 P% L G8 F
<statement sequence2>;
/ Q- \' s6 Z2 r: b ...
+ }+ M# @& N; T" a% Y- ? else
5 T& R" }4 M2 i <statement sequence3>;
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2循环语句) ?+ w. Q0 m4 u4 N& f5 J
(1) from <statement sequence1> ]9 _" K7 e$ e" @( B$ u+ z
until <condition> loop' X9 b3 j8 T( A5 I/ c2 O. g$ M4 G2 ~
<statement sequence2>;" M& K) C% W) N9 G8 J8 v) z- D# S
end;
, h7 w7 J- Y, ]3 k& ?9 d, c1 \ (2) while <condition> loop
, ?. c4 _4 K' P' V4 X, b <statement sequence1>;
' [' x! y7 T' R0 o# ^8 p end;
8 I6 M) k) r, _# j9 b6 }% Q (3) repeat
1 J6 d! x0 `& k" }. o <statement sequence1>;& a1 Q/ K0 s4 v; z) c1 i4 u' X
until <condition>;
" n' q/ K" ~) n) E4 ^$ [- H- [4 Y1 G (4) for <condition> to <condition> loop% Y9 ]% z* A( o4 q
<statement sequence1>;
. M$ Z& A; L4 m+ L. ] next;9 u% X- \9 S1 m5 L
3中断语句
- a* W" j) P' A8 P8 [# W waituntil <condition> prio <integer expression>;
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" c' X% }2 L* }4 L* X6 Q7 T以上为常用的函数!0 v' p, N" h+ B6 r; d( E3 ? e
还有很多,如有需要我把资料发到你邮箱里 . D- B- x6 j I7 n9 Z
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