|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句/ O7 S4 J' @0 O J! ^
if <condition> then: b6 t: k$ D: W% A. ~( q' \
<statement sequence1>;
* [& k# h1 ^+ i/ n elseif <condition> then6 `, j# y% W8 H
<statement sequence2>;& C. W1 L" i8 V* |) O$ \ I5 L6 Q
else 3 R, ^! [4 {3 Z1 ]* ^
<statement sequence3>;; q4 i" P0 H9 R( T, K: L% v
end;
2 D& m' T- ]( c) v9 d' H) \! q如果分支比较多，用：' [6 v/ ~2 [& J& v" V
inspect <expression>
+ U* I3 h; ^5 v9 {/ P1 w; G when <constant_list> then
+ o. V! O3 u0 h( W& e' ^# X$ C: { <statement sequence1>;! p V6 V* K- `1 B% b* J2 Z9 B
when <constant_list> then3 @/ b( {5 ^5 l. s+ W
<statement sequence2>;
/ e0 f1 _5 W$ C& m2 d: j8 G+ T: z ...
0 {3 ?2 o* g( {* }4 z0 u$ B) E else/ l2 {6 t( m& A9 q9 f
<statement sequence3>;
# S# Q( j$ a, }% o$ X* t8 _ R. Qend;& ^& x' t+ x. l9 `! n m
, x4 W# M* m: k3 y. K& \1 G
2循环语句
& S9 h2 A6 c4 [8 N$ z (1) from <statement sequence1>
/ J( `& [1 a! M, G0 u' m until <condition> loop+ r* j C3 ], ?" J
<statement sequence2>;! p2 X+ F2 g( @$ @9 A) Y
end;0 l2 t/ f* f: \
(2) while <condition> loop
6 Y* o& U6 O5 F6 p <statement sequence1>;; m% d9 t5 x; |: d7 U" U! x- n) s6 c
end;
2 z# S2 s' ?3 T (3) repeat
4 e2 R0 x( j1 C5 i <statement sequence1>;2 R' X7 _# ]( ?) a
until <condition>;3 k) Z& |& z% W2 J
(4) for <condition> to <condition> loop5 k0 o6 A* [* ]. |
<statement sequence1>;& _0 |. t9 s9 b; I4 V+ O
next;7 P9 \/ \8 W1 Y7 F3 U+ p
3中断语句
, Z1 e4 j! a; Z! H0 K waituntil <condition> prio <integer expression>;1 `) S" Z l# Y# I6 I
+ U& Z& a" `4 o' U0 m% N
6 |+ B4 @4 ?% e# o# l7 H1 {& C
以上为常用的函数！' Y# ?" S$ ~+ k
还有很多，如有需要我把资料发到你邮箱里
' D6 l2 S1 V3 A( a, J# G4 @- `% v0 C& ~' p8 n3 {: y
4 t8 t0 r) y* T1 {3 ^0 Y2 ~4 J. m
2 n3 e4 J, f5 y) F5 j( C r 7 _" ^% i/ I8 O) L* O! E
! x9 B& d# ~9 n! R+ S. `4 U3 _% A" w1 t9 Y
5 U0 D2 i6 M2 w8 v
& [3 r3 Y1 w% b) C- q$ b# n+ M
$ d, }$ z; K5 O& ~
+ l/ k! T4 x/ h0 ~ |
|
[复制链接]
