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发表于 2012-11-13 08:48:12
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1判断语句6 }4 A( q% F4 i' T. T" k
if <condition> then/ T3 @7 C. x) P5 k3 ~% o. L
<statement sequence1>;
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5 S+ A: c. W' w6 C <statement sequence2>;
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<statement sequence3>;1 E. ~+ J2 V3 [) o- V+ ?
end;
2 R$ X. D2 U( a$ g+ }( k9 D如果分支比较多，用：
* u1 T) k0 o. |3 T1 ~; M) o0 l1 v inspect <expression>
: e+ M+ M! ]' W9 E9 d when <constant_list> then% r, m7 A. v2 \; B/ w) I! k! f5 v
<statement sequence1>;
1 X& Z$ Q; _& l( z5 X( d$ z when <constant_list> then
, ?/ S7 L0 E' z& J <statement sequence2>;
! Y4 s( r8 ]3 x9 J" k+ {/ }# P2 U ...
& @! O+ U4 N' `5 p7 n2 F( }0 | else
$ }5 K S; W1 P& X% t <statement sequence3>; z3 `! U$ E# H4 B6 m6 L
end;" m% @7 e8 N4 l7 O
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2循环语句9 q# J! i7 V" D$ a0 R
(1) from <statement sequence1>: V% ~" m2 S8 z* e
until <condition> loop
* [" N9 ~. Q& S& u: S <statement sequence2>;/ p$ u7 m9 n, _( L* c1 v6 m
end;7 Q. B/ D6 Q5 f' S/ L# I- j' b9 }
(2) while <condition> loop
6 Y5 S8 @/ @- @7 } <statement sequence1>;: D7 e) s3 }, R* v# i6 O
end;9 O% f/ c1 j9 R5 [5 ?
(3) repeat
9 J* u7 I2 {- ~, V. c4 Q2 F5 @ <statement sequence1>;$ h/ ` W2 x! b) M+ s! N5 C
until <condition>;3 G+ e8 Z8 j' ?7 X
(4) for <condition> to <condition> loop* y1 D3 r" e! |; O
<statement sequence1>;
# P0 {2 {! h, d9 U- @& U# Z next;9 ]5 ^; C) G* ^3 [3 `
3中断语句
- w4 j8 c$ Z* I+ V/ t! r waituntil <condition> prio <integer expression>;
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6 c8 ]$ Z! c, c, o1 v4 k4 e& i8 }以上为常用的函数！
1 }# r* O. Q: f8 S& e5 \还有很多，如有需要我把资料发到你邮箱里
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