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发表于 2012-11-13 08:48:12
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1判断语句; I, H* l+ ~# x+ Y( E
if <condition> then+ |& ~5 z6 B: J) N g
<statement sequence1>;! _0 F; |) Z& ]8 e& f
elseif <condition> then
4 s+ t }6 Z6 S- {2 Q8 O <statement sequence2>;. N. ?2 ?$ ]# K' c# H; t
else
, G; k0 [! R, |7 L. [. ]4 Y+ A <statement sequence3>;0 S9 z" R$ c: C3 U5 ~0 ^ |" w
end;9 W+ ]: v' v& m" z% ^4 W, D" g9 W
如果分支比较多，用：
5 p* ]; i5 ~7 E inspect <expression>4 H; \2 ~% r( x/ t6 n( W& b- ?: P1 Z
when <constant_list> then* C+ O$ w& O) L8 M4 N" M
<statement sequence1>;
# x6 g N; H1 a+ v6 n1 k [ when <constant_list> then3 h! l+ I* L/ b% z5 m1 G) Z0 n
<statement sequence2>;
! K3 [6 D! R) w3 F4 n& d1 l5 | | ...
0 d' C9 c( ?1 F/ ^/ u) j& Y3 f else
i. F7 h4 h& ~. n <statement sequence3>;6 y8 b* p/ |) E
end;$ D5 |. y" \( m1 G
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2循环语句
, k; V/ a6 x" f5 l4 `6 R }, l (1) from <statement sequence1>4 q; D# x' d4 d) T
until <condition> loop
( e5 P+ F" x( b& H9 b" B3 O/ q- \& J <statement sequence2>;" x3 U( Y( t/ J z- e
end;1 }7 o) s/ O, e) G$ d9 ]
(2) while <condition> loop7 W" v: Z) G! A! l9 R% _; i, U
<statement sequence1>;
! D* m7 K5 f1 B7 o ?: j: V: Q' A end;
! h' T& _" f! X5 {3 c (3) repeat % Z& V! A$ d; a( J& ?/ `$ T: A. G
<statement sequence1>;% U; k5 b$ U C7 |1 r6 Y
until <condition>;
8 D, a& s; {! c# N! y; \ (4) for <condition> to <condition> loop# p% t. q6 z! T0 r9 O
<statement sequence1>;
% r+ l4 [( W$ _; C- B: O; P next;
0 g8 _: y% @0 p" p$ U* U" b5 F2 E. p! I; h3中断语句5 }) M( p- `: p0 r! ?
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* F: f8 {/ S% s& Q; J+ r& u/ O
还有很多，如有需要我把资料发到你邮箱里 ( M8 V- \! s2 Z2 e n
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