|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 b. x: I" W& g' O: G$ M, y0 @ if <condition> then
% }5 {- l; `, o; B& `, V( i <statement sequence1>;
# p' J+ e+ v6 {3 ?/ i, G, i( z elseif <condition> then
3 o6 Q ]7 I: _# k) s+ }2 T( w% P <statement sequence2>;
' `9 ?4 f; w3 G0 w4 f8 ?& w else
( n @- e1 \- p" {9 c: V m6 p <statement sequence3>;
8 e' ]4 Y8 \% ?) L% [9 g7 h3 R! d' Z end;
0 P0 }; d4 k2 k4 d如果分支比较多，用：+ Z" _) T4 H, h5 w! b6 n
inspect <expression>
0 m* y3 y* ]+ H0 ^. K' J# Z. w when <constant_list> then
6 P \" {( C" k1 t <statement sequence1>;, _7 x) |- W6 k6 e8 B5 b% M
when <constant_list> then) x ?5 O1 _1 R8 M
<statement sequence2>;
: n }9 C& ?( A- _/ w ...
1 Y) g9 i M6 }5 B- D k- V" u# i# T else3 X% B' p3 n7 i% X# D* Q9 P5 A
<statement sequence3>;
" }# ~2 c0 p" j& Y5 Mend;4 k2 H) E" B% m2 K$ `- z5 Z$ ]
! r2 T0 j- L" L2循环语句- _* v: w7 P' Z, g0 k* ~8 h
(1) from <statement sequence1>
4 @4 t; `( {3 R2 c t& F until <condition> loop7 ?* y) a" @/ g" q! Y3 H2 o
<statement sequence2>;
: k2 {5 x5 { c- m3 I: B end;- @( b9 j: C: N% b4 Y& E3 Y
(2) while <condition> loop
3 ~2 j! [+ b/ r <statement sequence1>;" U ~5 ~$ j6 A& {. _1 I
end;+ q) @( N8 h: i) Y/ ^7 p. v/ D, r
(3) repeat
/ t0 K% ^$ U3 k# k <statement sequence1>;
0 q; R/ Q Z/ |8 s2 ?" S; } until <condition>;/ B( l' r" Y2 q: y6 I' x
(4) for <condition> to <condition> loop
$ w- p3 @2 S" t8 H0 o# Z <statement sequence1>;
: ]' S8 d7 c& ]( o next;" S2 m: a$ M: q- ^ n( j f
3中断语句7 x! A/ c6 n8 m |8 g! @( s% |/ i
waituntil <condition> prio <integer expression>;9 u2 J' b3 H5 t# j3 n
" R* G5 Y9 _& B, D; ?
4 ]- U0 W5 B- ~ p% h) v- W v以上为常用的函数！3 H5 D0 P2 L! t1 {
还有很多，如有需要我把资料发到你邮箱里
$ I1 }$ D5 k+ V( S2 d! ~! K
& f9 b& v/ _! V' g2 w& d
+ A' a) [0 E: x1 M" {0 Z: E
3 T4 y! o; w6 [: F& _
, ] b& P. u/ g' _1 e# O5 j/ o$ o0 H+ G$ M8 i% F1 n
$ m4 N$ s6 J$ i! ^, O+ L
& v! b' M0 l6 T* \! c4 S
6 \2 L: i% j! a3 i+ r5 _+ I
- t' Q( X4 M+ E# m/ c) e' Z + U# \9 B! Z) K; W* B D- g$ F
|
|
[复制链接]
