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发表于 2012-11-13 08:48:12
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1判断语句/ b1 W7 m( L4 [8 ]1 Q6 n) k
if <condition> then# `/ B3 i% a/ }9 b. j8 |# R
<statement sequence1>;0 n4 v- f% j! {& H: ~/ v: f( g
elseif <condition> then
3 H: h* h) T7 }; Q T$ b0 ?) f <statement sequence2>;: ^# N# l8 C( N9 c
else
$ @5 V% x" j8 b9 P* a/ x <statement sequence3>;0 y: t, G Z6 L, r0 {
end;1 n8 [8 I2 F& @5 f& E% i
如果分支比较多，用：/ H! y B4 N7 m. x* Z! i) |( T
inspect <expression>
( w F% ]5 ^' f. W" G- F3 F8 R' r# ^/ A9 j when <constant_list> then
5 M0 i! a$ }3 c% h! A) g <statement sequence1>;
3 a3 k. p4 r' F* C when <constant_list> then
* M+ v2 z3 w$ C* w. x# d <statement sequence2>;7 B) w8 R$ C/ S& X
...* ~* l" O9 e2 d1 x I
else
' V$ u9 c/ y' ?1 v: |6 X& k! @2 d+ ^% N <statement sequence3>;2 t4 E8 p2 L6 Z( E
end;
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% a/ Z$ t' |" q+ f3 e2循环语句' x; @- o! ?% b: Y# }3 B% }% a
(1) from <statement sequence1>
7 P: i- ~3 N9 \9 |# E until <condition> loop
* s1 s, I& K+ E7 |% h <statement sequence2>;- N- N& u2 O2 `8 L3 h* I1 N& z7 ^ C
end;: U6 K2 [8 z. ~6 ]9 Y, R4 x
(2) while <condition> loop
j& x5 }9 I) J l. o- M4 T0 P2 F- S <statement sequence1>;
( n3 v9 N4 H; x2 ^5 ^1 @ end;
: F% }& z. a- W! g (3) repeat # N: p/ [3 P8 |
<statement sequence1>;& B6 d' f( z7 |# o4 D0 v5 y3 D9 A
until <condition>;) |3 h2 y: _8 ~! z$ ]6 T" W
(4) for <condition> to <condition> loop
, J7 @6 [8 F% } <statement sequence1>;
% L z. v, t) n, F. v3 w' g) c next;7 Y# I& `" T% I: U# t2 P
3中断语句4 L, E$ t0 }; V' X, H; y6 ^
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& u3 o/ ?# ~# \, x
还有很多，如有需要我把资料发到你邮箱里
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