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发表于 2012-11-13 08:48:12
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1判断语句2 n2 z( e/ I# G6 t2 @/ E( @
if <condition> then
% J, a# i# f* F6 j <statement sequence1>;4 x' l7 u. i, a: C) m
elseif <condition> then
1 f) O4 I- n# i* j( { <statement sequence2>;
/ F" G& } w- u/ q else
* Z( S, x) g! A <statement sequence3>;
# |) b& `3 o. L9 j1 L end;
! g" X# W) s8 d+ @2 @0 h+ V如果分支比较多,用:2 A0 J4 r0 o, Z5 a1 R
inspect <expression>
. a1 V8 Q3 q4 w8 S& x8 w9 @ when <constant_list> then; Z! H3 m9 i" ?
<statement sequence1>;0 B( k7 {4 d/ {2 M% m ?
when <constant_list> then7 ~4 b3 O4 G3 h1 x
<statement sequence2>;; [& k" e2 y5 ~' B; d: x
.../ i' [. u0 o5 h4 B
else
" p' y' n3 S; @2 S% d3 { <statement sequence3>;! ~; d& \' K( }
end;' P9 f- r. \2 A& `- ]/ _
9 S0 Y) G( r8 s# E2循环语句
8 O! |3 t( |/ R* g* { (1) from <statement sequence1>8 l5 `8 r$ R4 K+ w, h7 L4 }4 ^
until <condition> loop
4 M4 v) v/ b% x* Q2 A) @ <statement sequence2>;+ {& E4 n: Y1 k2 L) I3 n
end;
6 f$ o+ D- U) V6 g (2) while <condition> loop
' @5 G- l1 k- Z b; |; y$ G <statement sequence1>;
2 b3 X# E7 J5 J8 e4 n2 y8 K end;8 X1 }3 u3 t, [5 ~
(3) repeat 5 v& C0 c: M9 p
<statement sequence1>;, |- r; M6 D) a1 G4 C2 c
until <condition>;
6 w: y" c$ h u' y; | (4) for <condition> to <condition> loop
. m2 A2 Y; a1 M$ g* k1 v) \ <statement sequence1>;
# i* W q& ~. X( d/ }' ? next;
: ~4 h; B- \" O3中断语句5 ^/ r0 |7 l, C8 p
waituntil <condition> prio <integer expression>;
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以上为常用的函数!7 f G- x, k; \
还有很多,如有需要我把资料发到你邮箱里
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