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发表于 2012-11-13 08:48:12
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1判断语句9 u9 Q2 L* K b7 a; d6 D
if <condition> then( L2 c! j* N3 Q7 F7 O5 n4 i
<statement sequence1>;* ~0 O) T) o: z; Y3 o: }2 T
elseif <condition> then5 J# q. c7 S5 j- H. M+ s* V
<statement sequence2>;. F$ P8 F9 A/ ^2 Q1 T
else & i( o8 o% r8 ~1 g1 r
<statement sequence3>;7 \, h8 ]. w" B
end;
O, H1 r% Z- Q2 ~如果分支比较多，用：
L2 B' K8 z4 A, z5 j: W inspect <expression>- F3 B/ c5 |3 r( r
when <constant_list> then7 I3 m- M( C8 i$ l% {& X$ Y
<statement sequence1>;
% N( N# M4 g; L: A# t( K when <constant_list> then4 u5 L% P& F O% p- ~
<statement sequence2>;
% ]- M1 i/ d2 I6 o7 u- X ...
( J, m& G: N, g else
9 H, I0 f. O" E6 n! F3 Q* n& b8 K <statement sequence3>;
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2循环语句
" Z4 R4 R# N8 p9 J9 N9 P% ?. s (1) from <statement sequence1>
1 @$ ]9 ^4 D0 t7 \7 ^ until <condition> loop
; G1 n: ~( W% O% j1 ] <statement sequence2>;2 v. k* g- w- J0 w
end;
# P% i+ _* W( p, X+ a (2) while <condition> loop9 `+ J) S/ Q% J/ c6 R
<statement sequence1>;2 u) h6 i4 v, b/ g% t
end;
/ _7 X! w! F5 H6 u (3) repeat ! Q6 B) j, i- ^6 u
<statement sequence1>;9 o8 N$ {+ J) w A; V) B
until <condition>;& i+ ^7 s2 ^4 ]9 L; t: r
(4) for <condition> to <condition> loop
" Z) e# {: g7 I& P: } <statement sequence1>;* Y1 q4 I! M7 d6 d( W$ Y9 e
next;1 S, |" v! M2 e4 A
3中断语句
2 T a x8 d/ y. c2 R waituntil <condition> prio <integer expression>;
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以上为常用的函数！
; f8 C& ?* E7 v8 }" v8 l D还有很多，如有需要我把资料发到你邮箱里
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