|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. ?" a) F+ A) F' f) s& v2 d' O7 z \ if <condition> then
9 F: `( I% b( \; U. S4 P. z <statement sequence1>;
& F2 s9 B& C4 i: n' _ elseif <condition> then
i* @% v+ }7 U/ a7 ?+ l: y <statement sequence2>;
3 j) Q/ M) j! B9 L else
4 v$ z! |( D4 ~* ]! Q <statement sequence3>;
. b/ d% U. p8 } end;% S$ O$ D2 ^3 I% O
如果分支比较多，用：1 v3 U* Y+ Y [( ]
inspect <expression>* Y$ Q5 y4 x/ w' j
when <constant_list> then
8 b% f/ ^( d! {/ W+ a9 M8 y <statement sequence1>;
0 C v3 n$ B+ Y when <constant_list> then3 w8 W* p j' v, @6 ^* q3 A
<statement sequence2>;
0 {$ ? d# e9 l- e/ ^ ...
) H& P9 N( |! u. j& ]2 a; y2 ~ else
! F. }: G: x% M- A0 C" h <statement sequence3>;
' h/ a8 Q% X, R% b# Z( N; @9 tend;5 u4 L: B5 J1 s! s3 B
, A3 u: O0 B0 p' Q' [# k1 w+ X! F2循环语句! Z' x* K2 x# |3 `9 ~
(1) from <statement sequence1>
* a! T4 i3 X7 b& ?9 X7 { until <condition> loop/ X @# P4 b8 W* t8 z! O1 J+ ^. i
<statement sequence2>;
+ s* O" Z7 @* n: C2 A end;$ v* `9 ]) d- f; ` y2 n) L( E
(2) while <condition> loop
. ^, I N6 S5 e/ ^* ~ <statement sequence1>;2 Z) {! _; C" U6 B0 |" x" }
end;
2 y B2 q) Q5 b6 W$ B4 S (3) repeat , v% L6 C: d% d( c2 r8 V2 l
<statement sequence1>;
; ?( S4 m. m, T( s7 l8 D until <condition>;% H$ m- M& k" c1 A" `: }; x' X4 ]
(4) for <condition> to <condition> loop# D& m* B7 @7 G* ]4 }$ Z/ }
<statement sequence1>;3 ]+ o* ?/ H U9 J& g& R. t; D
next;
5 n/ E+ p' W; J+ V3中断语句
, i1 G) r/ X: [& v. R: P+ N waituntil <condition> prio <integer expression>;
( ^% o, b+ K5 V+ P8 v
& @3 y; F! N2 S, N% G
# G; y2 v7 _5 P* @0 [' s以上为常用的函数！! U; `; ~$ R1 v4 o7 V4 u
还有很多，如有需要我把资料发到你邮箱里
7 ?/ F; ]0 m& r; @
5 Q4 O* `3 n8 [% ^) g+ G: O1 S* F5 g- l2 m$ z2 X- G
* j y- _( F2 o+ @ $ q3 r1 h8 X' a1 p, k' L# s# c
1 F* X: l2 `% M X2 _) T0 x; p: g; T
0 U( ^2 ~, w6 Z; K
# l2 W" L# F. H: k) {
/ x" {9 q, c p( u# _ L( i8 K% w, S
. I, f8 E* x8 r9 f. {: v$ f |
|
[复制链接]
