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发表于 2012-11-13 08:48:12
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1判断语句, ] b! H( Q3 l" Q* P
if <condition> then/ b7 T' ], A N4 J: ^1 L
<statement sequence1>;
, Y% n! `5 a: W& p5 q; f& K& g elseif <condition> then4 M3 M5 e) s* p9 V% {
<statement sequence2>;* E( u1 B, x' g" s. D5 b# W
else * S" ^- |3 [8 w1 S8 W5 v$ [5 ?
<statement sequence3>;& d+ h+ G ?) R. }
end;
1 R' _" H4 f; e7 C. B如果分支比较多，用：0 V; g- p: i1 ^# B
inspect <expression>. K7 B: H) s5 s2 Y2 R! h, A; f: n
when <constant_list> then
9 z, f, @8 r+ L- Y2 R <statement sequence1>;( a- d% g7 J( N8 z
when <constant_list> then% N( a* G7 V9 g; Z7 M
<statement sequence2>;
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0 y3 M. H4 b+ a! u6 L else
& N e- A" {6 s <statement sequence3>;
7 u8 h4 d+ @1 m4 l" \. jend;
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: H) |& V- M8 L( |* l1 {2循环语句
! A0 I! z$ U3 x' F7 i# z, C (1) from <statement sequence1>
& Z9 A6 M* e) v8 @. y' j until <condition> loop
1 l% M6 a7 M* f* R& o <statement sequence2>;
: V4 n4 b8 |, a" p. A! t( H end;
- s* S6 }# T y (2) while <condition> loop
& A( C9 M2 b( W: D( u; B: _ <statement sequence1>;
* I& z' Q s6 h4 w1 ~ end;
; Q! @1 G% x' L3 {, } (3) repeat % x! z a) a* I
<statement sequence1>;0 e5 Y8 o( V' |
until <condition>;
7 h9 i d/ Z2 S4 \ (4) for <condition> to <condition> loop
5 Y8 k" k |+ l4 g* n <statement sequence1>;" X- o" O2 A4 B) k9 l& w4 {# C
next;! r7 b' O3 p) r" |
3中断语句. ~, ]1 n* Y* a
waituntil <condition> prio <integer expression>;
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; H1 U8 [2 V; ^2 m/ c5 r( I' ]以上为常用的函数！* n" ~8 P: I0 U5 P! v. o
还有很多，如有需要我把资料发到你邮箱里
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