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发表于 2012-11-13 08:48:12
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1判断语句
/ }* }+ s* [) w) v6 m8 c if <condition> then
$ H9 ?' V/ S& h7 _- _5 V <statement sequence1>;6 Y8 o* v) \9 S# G
elseif <condition> then$ m) A' n7 r5 Z% Z6 c' g/ t
<statement sequence2>;3 `% D" E0 [1 h2 {, M y* z7 \! W
else
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end;
3 T- i9 r8 |9 a+ V8 g* J" I& M& j如果分支比较多，用：- r7 \4 i% b L
inspect <expression>- H5 _3 k8 A+ s6 `$ v
when <constant_list> then
: N+ H5 e5 h" n8 E1 i <statement sequence1>;0 s1 K) x7 \/ U
when <constant_list> then- |2 O9 J) j2 C- c( O- ^, a: B; p
<statement sequence2>;- _' h: F" r; }, b ^ f; t
...
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<statement sequence3>;
4 J" r! K( ]6 N2 T4 ^- n: F; c/ Uend;
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" l5 |. D3 g) m% S! c2 c2循环语句
! ]3 R. U3 o |6 D" ] (1) from <statement sequence1>8 e% w* p* s8 w$ A7 j
until <condition> loop
9 A( \6 N; ~4 q% g0 ^6 d5 g' m <statement sequence2>;" x* @: r6 x- [
end;
f& |2 f( k |% l (2) while <condition> loop
: ~4 _( P7 O6 o" f; [ L* l <statement sequence1>;6 e2 |! i& a9 l$ ?! f" X# i
end;6 B; B6 v5 M% c. z
(3) repeat 2 D4 E6 a8 }: q- W
<statement sequence1>;/ U$ r) G$ ~. l/ |/ s7 o# o2 t
until <condition>;( j! c3 c. q. M- a7 @) j- @! A1 Q
(4) for <condition> to <condition> loop5 | k, V K0 f: l4 i3 ^8 \, e) Z
<statement sequence1>;
7 H* s0 K& x6 r3 A; N next;: I; W( g: R/ D+ U% n
3中断语句
2 b/ D! [# k4 K waituntil <condition> prio <integer expression>;
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; v9 `+ l! @% K/ t5 g. b- @& p以上为常用的函数！
$ I9 E3 O6 F ^3 F, k$ ^2 A! V还有很多，如有需要我把资料发到你邮箱里 " O; i( O% N5 {& m( R( d
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