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发表于 2012-11-13 08:48:12
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1判断语句; |3 Y8 \' i! o2 `
if <condition> then
' t3 p! v4 m6 u* h% \3 [ <statement sequence1>;
" d& G. A$ u0 r* Z2 z elseif <condition> then! m( ?* F' a( j
<statement sequence2>;. s, Y, n- K" p
else ( l2 \. E$ m5 p/ D0 e- s
<statement sequence3>;# i$ O5 x' \+ ~" v! |% U( P
end;! i' N( J& D# i2 z+ q, y
如果分支比较多，用：1 F4 R+ A4 m) h
inspect <expression>+ J) X! f& |8 a; \+ j$ f1 ^* k
when <constant_list> then
# J' ^, n5 v+ \- S. g <statement sequence1>;* C3 ^% o3 F6 @2 I+ {4 A" p
when <constant_list> then, P6 _) Q0 r+ E3 j8 E9 l1 L
<statement sequence2>;
* E3 {/ B8 \% \2 {- t1 f, a& D ...
( N: f$ @2 I |- ~6 w' L/ ]' n else
, d# O/ K& ]& x. n6 b7 \' U" G <statement sequence3>;% [% l* T, t' {
end;5 E7 y, l: Z+ {: s I
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2循环语句 ~4 K! U& w) c. B
(1) from <statement sequence1>1 H( Y" O% f' V, f
until <condition> loop
6 Z Z' q6 A3 {7 k- ^ <statement sequence2>;3 \4 M$ o% l- x) o, G6 o/ H2 f8 ~; {
end;
; D, z" n/ c: h$ N. c (2) while <condition> loop
% B( M0 @7 E2 N <statement sequence1>;6 C" ^7 S* \5 F4 L
end;
! D$ H' o! q6 X6 m: A! w( P (3) repeat
2 n! S$ @5 K5 `$ B8 v8 S" f9 ] <statement sequence1>;
$ G5 ]* N) M' g6 y until <condition>;# P; t6 O2 a3 S- e1 x' `
(4) for <condition> to <condition> loop' F. J( ?8 T' ?9 [
<statement sequence1>;
9 o* t: r% t. a. Z& z j4 V% q next;8 k7 k; \" `& o+ U4 q
3中断语句2 o R; v8 M6 f5 D0 n8 j; N
waituntil <condition> prio <integer expression>;! _/ @8 N# g7 d
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+ \. W! l, i! _5 Q' } n# p以上为常用的函数！9 Y4 N5 I0 L$ [. s* N5 e/ D% z& l$ q) D
还有很多，如有需要我把资料发到你邮箱里
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