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发表于 2012-11-13 08:48:12
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1判断语句* l: s, |1 s3 ]
if <condition> then
( t" u: p1 S$ v/ R+ w! G/ j <statement sequence1>;$ O: f7 l$ J; L3 z
elseif <condition> then
! k7 d: T, k0 l+ L0 j5 N <statement sequence2>;% Y: Q2 v5 N3 _5 z0 g3 j& y
else
" v# Z9 m3 S5 O) {# p: w. I$ G <statement sequence3>;
! {4 `% B+ k- N" ^! k end;
& I& C( O* L" d& k6 r! i如果分支比较多，用：. Z% b: C2 i: @9 i
inspect <expression>3 m- x: J! M8 f, Y3 @% `
when <constant_list> then
6 ]. y$ j( K( p1 ^4 F5 c7 v <statement sequence1>;
; J! y/ A& b9 ? when <constant_list> then3 q3 n6 q" _4 Z3 k# ]
<statement sequence2>;
" `- x4 V- f+ [" `) w j ...
9 T- M% |: P' W else
8 T4 I' k' O2 \" M <statement sequence3>;
, d2 k% [9 f. \; G6 J. i6 [% W$ Fend;
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) H. M- ]6 k: r R2 x2循环语句. r) K: `/ ]$ e. B
(1) from <statement sequence1>
! K7 O2 X7 [: e5 ~3 w until <condition> loop
8 Q* @$ d4 w7 j' \ <statement sequence2>;, F2 }' }" `0 [: k$ W) S
end;- ]# j9 v L; z* r
(2) while <condition> loop
4 Y' ?( a" s: x! ~& Z <statement sequence1>;
4 K+ |4 c, ~8 T+ q3 J end;# u" k5 b0 x2 U7 C! z; ~
(3) repeat ) E: p/ k9 r' I0 T
<statement sequence1>;2 \- X1 ^* h6 n! D: v2 F. o# s+ Q
until <condition>;
; ^3 A; |7 S; l" f. P: W (4) for <condition> to <condition> loop
5 V9 z; r! X' l/ a <statement sequence1>;' }" J, J8 A2 M5 A. R: @' f2 q
next; [+ J B+ S- J0 T/ N% p" x/ o, z5 D
3中断语句
# v& J# V9 b# e) A4 t& q) B! k waituntil <condition> prio <integer expression>;
$ k+ n5 ]# R- \3 @! a) I7 @. F |
v2 t L8 y* P& Y
5 t G" u- M+ y$ \以上为常用的函数！
; Y P6 p& i) a# M还有很多，如有需要我把资料发到你邮箱里
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