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发表于 2012-11-13 08:48:12
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1判断语句" q; G% A5 ?0 n B. X( X
if <condition> then( p; e: a3 B; T. n3 V, \
<statement sequence1>;9 [# {, y5 x: v8 X4 w2 ^
elseif <condition> then
0 a1 c" k8 F N; | <statement sequence2>;6 p- p0 v7 D! L/ d% Y
else " [% B. |8 s% W/ g$ K( |. u' c) L, s- f
<statement sequence3>;
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如果分支比较多，用：8 \) p0 l1 H% _. \% n
inspect <expression>
" D+ I" _' d; i% T) M when <constant_list> then& k+ j: e% B; h( a% t/ o% l# y
<statement sequence1>;
+ v; K3 p* S3 r when <constant_list> then# j+ U2 z& ]2 M8 e" \) V) |
<statement sequence2>;
1 C7 \# M# R: K! b6 J8 @ ...
2 S2 l; n1 z1 `% ?) }* L k else
1 r8 x5 z* e4 f i: G7 {3 Z <statement sequence3>;
" Y0 I3 Q$ Z1 n8 Q! fend;
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2循环语句
2 O5 D X1 F! V (1) from <statement sequence1>% _ [! u ]% @- b7 @6 S. a3 I
until <condition> loop5 r4 M& b; {6 V- O
<statement sequence2>;
$ z7 C: x9 M" y/ d end;
9 ]" `' `& U& R7 X0 s; t, ] (2) while <condition> loop8 y& g) d; N) J: o; ]) i
<statement sequence1>; J; b I7 P: ?8 H0 `
end;% o# }% W% d( k9 q9 ^
(3) repeat # _3 u6 A0 B* U: m; v
<statement sequence1>;/ I5 Z9 ?! A( U! g5 z
until <condition>;
! k+ Y9 A: y" U- s/ f (4) for <condition> to <condition> loop! a A9 b! O7 e1 n: B
<statement sequence1>;- h# L2 j' i! e# l
next;
* W; y. I# }- |3中断语句
( U) @( M1 L" C waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ v* J7 M O L: i2 s! \! s* w+ A
还有很多，如有需要我把资料发到你邮箱里 . W# ?. w9 n; l* z+ X2 n0 Q
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