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发表于 2012-11-13 08:48:12
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1判断语句. `% ^( |# e+ G/ N( \
if <condition> then) H, Q1 B# K7 Z+ g* i$ k- ]
<statement sequence1>; b, x7 a/ H: w( T9 m" S- E: E
elseif <condition> then
8 `& J5 ^ ?: a0 T+ A1 p' J <statement sequence2>;3 h. v) ~( B! R
else ( W. j' J L0 U! K6 W. N& N
<statement sequence3>;+ G* b! |* M ]( R" Y+ a4 _
end;
5 [6 y& \' }) V1 x; G6 f- K如果分支比较多，用：
" a2 H Y( P2 \3 G5 [! t inspect <expression>
: E( ^% z# d8 |6 y- G% ` when <constant_list> then1 _# b/ O5 u4 j* @) U- c# f
<statement sequence1>;
_& B* |+ x2 x8 s4 ~ when <constant_list> then* L& M% ?/ b! A/ E# N6 A" T! f
<statement sequence2>;
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else. H% B: Y+ Z, W
<statement sequence3>;
- q$ k L" r+ |; ?end;
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2循环语句
0 j7 T4 P) M" m (1) from <statement sequence1>: b8 ~: Q7 j4 I8 H
until <condition> loop# L: ^0 }7 C2 e% D' H8 F
<statement sequence2>;
$ ?' D. H0 M% F( `1 B5 J- W' C end;
3 e% O5 \5 D D. k# }) c (2) while <condition> loop
% J: f/ M0 c" v! `" V <statement sequence1>;% [6 S6 h w9 U* q
end;
1 z0 h; d3 Z" A& V, c" e$ C% M1 l (3) repeat
) M q$ T$ h' e3 J$ N) X7 ] <statement sequence1>;
* V7 F- X' r. K) R! c$ b until <condition>;
9 C4 n3 a Q8 c k+ i" b- z (4) for <condition> to <condition> loop9 c1 P0 K! q c; D9 I, g
<statement sequence1>;
. E6 |' p; L/ |% `" z2 q next;
; d" m/ a# t; p) P& Q* `! c3中断语句
( L/ ~6 s; \. p$ X! n5 N waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 n0 O$ l3 r' H" a3 q( _还有很多，如有需要我把资料发到你邮箱里
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