|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' N- s' e/ M, ?, w$ u6 {' w if <condition> then
% y1 [6 O5 _* b) r* s6 o2 G- v <statement sequence1>;
7 q1 u! G* A( w0 ~7 l$ I elseif <condition> then
' J" j' b5 q s* b4 H( y8 u* E <statement sequence2>;
' I7 {7 z# y" f# o+ c1 ? else
8 ^; g, G# b1 M' v8 G. Z <statement sequence3>;3 U9 Q2 ^* q' |4 x( G( f
end;
3 E/ X) w {- E2 A如果分支比较多,用:) a9 H3 Y( B& [) ^) m
inspect <expression>
7 n3 k8 w* C/ i* n+ i when <constant_list> then+ c4 U& K6 b+ x2 r3 e
<statement sequence1>;
0 J& v8 Z8 v: J& } when <constant_list> then
/ @7 q2 C" D( |+ P <statement sequence2>;
% B: ?+ z& {3 C( R( L- R ...
3 ]% p; l) Z7 u3 |" [ else
! Y2 f, P3 T& u1 L3 s$ X$ i& g" H <statement sequence3>;/ n: ^( P# Z0 J& K" g. O- d. i. r) k
end;" ^, w) R4 J4 h% M. J$ d
O- N* B1 l* t5 q$ s
2循环语句
/ _' v4 W1 V u4 h) W (1) from <statement sequence1>& X/ y7 }+ X2 Z+ H9 r
until <condition> loop1 y. L& U2 E$ X5 F
<statement sequence2>;
0 b$ H. s$ d% w' M% V end;
8 l }8 I5 I# k8 i5 b0 n' Z6 B (2) while <condition> loop$ o n2 p* i7 N& A* I* C
<statement sequence1>;( S2 r6 L1 d- S3 U9 }4 C4 C3 N
end;" v( M, d) w& `" k
(3) repeat 9 Q+ Y% R2 k6 x7 D+ b
<statement sequence1>;
* U0 A- e/ @7 v; a until <condition>;4 y4 t( }8 N9 c8 E k
(4) for <condition> to <condition> loop
3 z# o0 V9 d$ }# s <statement sequence1>;
: b& X% F+ \- L next; S4 y0 q2 k1 X9 t- J
3中断语句$ v8 Q) L7 q; L" k( c* j* X
waituntil <condition> prio <integer expression>;
6 c4 E& Z( `! |, E
+ W3 _) D, w; r/ J8 V3 `9 o
2 R* p; h" M; y" @以上为常用的函数!' [& e* e( X7 I7 @0 t9 b+ n
还有很多,如有需要我把资料发到你邮箱里
; i( |: L ?, u& T
9 V G1 _* T6 q4 Z' H ^% d& K0 j5 F v0 O0 E
% ]0 X3 n/ ~8 K' b1 K3 z( h 5 T n0 |/ o6 W8 f
- W( i9 c# j9 ?9 \3 U2 `
; \9 g& ~1 |, E$ O) e7 b
9 g& v$ z4 ?: `
4 n$ Z0 [0 y Y2 R( {
) M3 b4 P- N7 ]) E; c7 Z) m q3 Z4 O1 O( }5 K
|
|