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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
% G- k$ {8 d8 [( C if <condition> then
- h0 f% e* {0 d& p& e <statement sequence1>;2 `4 J3 `3 `( c6 k
elseif <condition> then$ U( a) O0 L7 @+ M. i! R
<statement sequence2>;
& }4 w$ j5 D _' G3 z7 o else
( Q: Q: e3 Q0 K, g) s <statement sequence3>;
3 P, H, o# q" y, G& C end;
& P' G$ ]+ i- }! @如果分支比较多，用：
% F6 B3 y4 R0 V( s4 [ inspect <expression>
+ O! t5 m& S' R7 Z+ u; s/ Q* P when <constant_list> then
4 c! l2 h, e1 M5 Z <statement sequence1>;3 K1 I5 T8 ^4 g# b7 }
when <constant_list> then
$ }5 F& P% s" N9 d( u0 `5 O) g- M1 n$ c <statement sequence2>;1 D- o1 S7 V8 S* p. |
...4 c2 l& l6 \8 E R) n$ Z1 J* c
else
3 k7 E$ B6 f: {6 n( h <statement sequence3>;
7 i( Y. j3 |! a! cend;! m6 h* [& F( N
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2循环语句
# {! r3 Z8 x5 f9 C0 d: q (1) from <statement sequence1>
4 L) W7 E( r6 z9 ?1 `; [ until <condition> loop- U- d+ k v1 f* S- V
<statement sequence2>;
$ i# ?5 M$ g: e$ }& g0 ] end;
) s! I- U9 h7 u( F4 ? (2) while <condition> loop6 u) i8 H2 D% U' N4 P3 C$ C
<statement sequence1>;/ M v" w# _& a" {2 `
end;
( v/ l5 I9 r% c3 c% M (3) repeat A; T+ O# r! _! U, G0 Y
<statement sequence1>;
! S( o) [5 w4 P9 M# Z! T) H3 Y until <condition>;
4 e& K8 [+ q: ?) C! J" H (4) for <condition> to <condition> loop
+ J& {. k: p, d <statement sequence1>;! S2 q, ` x$ A. _8 y7 a/ C8 q+ {* ]
next;- j# F( W; b9 {& ]% h6 F' H! Z3 |
3中断语句* t1 h6 a; e+ H( L- ~
waituntil <condition> prio <integer expression>;* |* Z/ C( }+ J: n: D
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以上为常用的函数！
9 l+ D. c4 v, Z6 d2 C' a还有很多，如有需要我把资料发到你邮箱里 $ E2 ]0 y. r. ^# K" A
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