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发表于 2012-11-13 08:48:12
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1判断语句
0 j- P E( u, ~ j if <condition> then8 b0 b7 r& O, D4 E- G2 R! R
<statement sequence1>;
1 I4 R+ t0 S8 Z# q! E' ~ elseif <condition> then
) U& O9 F" n( j. p <statement sequence2>;
+ Z* _9 S; `, g: L8 e# d else # _3 t/ Q5 B6 f' j' R3 [7 M3 {
<statement sequence3>;
6 i2 l d5 s W+ i) L Q end;6 b. F/ x5 w+ V- K
如果分支比较多，用：# t+ Q8 E( q1 N0 B
inspect <expression>
: [# q( b& p/ @" U5 P when <constant_list> then: y* K1 j7 o3 @$ g9 X0 i% V
<statement sequence1>;
) o) W# e+ X7 B9 d when <constant_list> then5 y+ |- I/ i; ~) d% D
<statement sequence2>;, H, ]" F8 \( e2 }- k+ l
...
- Q, M+ `. W, l1 A1 ]) m5 R else
# p$ {8 I3 A4 n3 c+ z( k3 g4 n <statement sequence3>;
7 n4 H$ f( A$ ^end;
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{4 x& x: D/ t y( i. K+ P8 j2循环语句* k0 A+ W/ P& o3 ]# F0 l
(1) from <statement sequence1>& l3 Y. h7 v% `- B$ c' b
until <condition> loop# y; z, N `$ u" j o2 O
<statement sequence2>;5 e( j# `0 c# ]) P9 p0 C+ x
end;
, z8 K* y& w: \( O" d4 `% I* ?( e (2) while <condition> loop, a7 @% y+ ~+ ~" n L
<statement sequence1>;
( ~) B2 Z/ ~2 w+ f end;# ^. Y* U" N% w! g0 O
(3) repeat
+ z+ u3 [+ R% x4 N <statement sequence1>;
- u/ o$ }7 j. p8 V; ] E( P until <condition>;
1 h. x- z% u# d1 _" S) o% ^ (4) for <condition> to <condition> loop
7 C" j+ M$ e. O! p1 c <statement sequence1>;3 M/ G- T4 O2 u) k$ D
next;0 h: j8 \7 O6 ~! {. B+ t* Z& U! l+ j) A
3中断语句
. w/ j9 i8 U0 ]$ h6 U8 }! Z# }$ J waituntil <condition> prio <integer expression>;
$ K5 ~6 D6 J& f, G0 h
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以上为常用的函数！
* \8 U/ O7 L% N4 B7 E, A f1 x还有很多，如有需要我把资料发到你邮箱里 " }+ O1 s2 M9 ^5 M* @; e" e
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