|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' m E$ e7 l5 ~1 K9 R
if <condition> then
' ~% o( G. K& K; R <statement sequence1>;
Q" `( m& W. g( A# H/ D5 G( K' _2 `* E elseif <condition> then
) U+ ~6 h; n% S) g6 Y. \7 T5 r @" k <statement sequence2>;
0 x# m, I7 F5 s6 o else , i/ ^/ E) C- Q' X
<statement sequence3>;
6 v* \7 I( ~/ J! X: E end;2 |$ ^" s! K+ d! Y1 i
如果分支比较多，用：
: H9 y5 s/ m1 k inspect <expression>
8 d5 u* Y9 j/ r0 j when <constant_list> then
4 T! B! h1 c/ l" Y <statement sequence1>;' B* r* ~0 |! D& X; R* Z
when <constant_list> then
5 k5 b* k% ` Q3 x! A <statement sequence2>;
/ F$ V5 g& b7 M9 { ...
/ m% R, `0 U( T" O+ U else9 C& n( \/ _+ @; H8 ?
<statement sequence3>;
' s$ [: Y% _5 }( o* I! {, [$ X, Iend;# \" y* F# ^3 Y& U% W
! y( q( m; I9 B3 |
2循环语句
9 J. n+ }" J& G! l2 R# F (1) from <statement sequence1>. f( b5 a% t% n* o; g, _
until <condition> loop
8 T% m; Z+ M, Y% Q <statement sequence2>;7 R @- D3 w% ^/ \/ i2 J
end;
! ]+ a5 Y/ T( [( g& Z! @- p' j4 h (2) while <condition> loop1 q* D" h$ F% k
<statement sequence1>;
6 q' n/ z# r2 Q9 Y Q end;
) p. o' |1 k4 H1 _* [ (3) repeat 9 ^7 G8 H; k$ m) c! X: r% `
<statement sequence1>;
) X: M0 @- X6 d/ \ until <condition>;# p3 A! r' w9 x, Y# x
(4) for <condition> to <condition> loop/ L7 W: G/ l6 E$ k) ~
<statement sequence1>;% t$ ]$ I5 G- J1 f) d9 h
next;
8 u. K) W6 r$ D% n( y [3中断语句+ ^$ W+ y# E% E9 a7 N, P
waituntil <condition> prio <integer expression>;
* |8 {* r$ I- m0 h$ P6 b) d) x5 [1 W/ T3 X p" ~& m
/ d! c7 D9 ^! @9 H: @以上为常用的函数！
4 H( a j* h; Z还有很多，如有需要我把资料发到你邮箱里 / M j- ~( }% s
6 d9 [9 w; `- |- Z1 V7 B
+ Y' h& z( i6 g N4 B
8 R( y" j- j4 F( n$ ~, M4 E6 t' a# l ; m. q, a; D+ V9 i
" x) N0 e3 {# ?' g6 c9 o
" C- z- P+ B! }- P9 X# p J
* c* p8 Z1 G& c" Q$ v
8 ~$ p. q2 v; f# X5 I& m% \
: Y& U* P9 k6 _% k1 k' M- z ' Z! ]; Z$ u' A+ v
|
|
[复制链接]
