|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 d3 W4 Y7 a% O2 n( e
if <condition> then
. j$ j9 }: o+ C) M <statement sequence1>;
0 i7 {7 V7 L W1 ~( g7 T, I# a elseif <condition> then
0 O3 S/ d2 Z4 `; O9 j x <statement sequence2>;
/ z9 N$ A: A" I$ F else ( K" A8 x7 k5 M5 L4 D
<statement sequence3>;/ h$ j5 [/ l: ]6 m8 w- w( r3 c
end;- S P$ p+ t4 n. N
如果分支比较多，用：3 B) k \" r' P. Z
inspect <expression>
* m3 {6 h0 P1 |" h: ? when <constant_list> then- W3 v8 B( ?: x* B+ p( b; _
<statement sequence1>;
! j! z9 @ M9 T3 E2 n- e, m( N3 B& S when <constant_list> then
: e/ }4 V# K3 ~& U: ] <statement sequence2>;
% k/ h6 K5 y: n: P5 q ...
L+ _5 c9 i# T else
1 h8 M& t; n8 U5 I3 [ L3 w3 j <statement sequence3>;
) V" B _! K( l" O1 I& \end;9 L% M6 j/ _( u, {* f: }
% I6 W5 h; N. {7 n
2循环语句$ c7 s' `% ~7 R, t
(1) from <statement sequence1>
9 _ D9 P% B4 ?4 {3 t! H until <condition> loop
4 L2 {7 |$ D4 e5 L2 l8 ^ <statement sequence2>;
0 ]* R3 A6 J5 G: h end;
* F, Z$ U5 v/ E: r1 ` (2) while <condition> loop! X+ p) @2 `+ F6 l3 n' R, }' ]2 J
<statement sequence1>;
; b$ B# w( b k. E- A0 A$ V* h end;6 X. f, _1 p8 p# _6 g
(3) repeat
& w" N8 K/ x. }! k <statement sequence1>;" B9 S$ K. h1 K" w
until <condition>;+ P3 J) r8 o1 k9 o/ W% u
(4) for <condition> to <condition> loop
. _! d& A. p7 G: a# D! m0 W! @ <statement sequence1>;$ N, ] f& L1 x( I. Y
next;
" t. m" \" T8 b8 [1 S8 ]5 L, Q3中断语句: G2 H4 N. e& i7 d+ Q
waituntil <condition> prio <integer expression>;# z. [/ I: E" B, I" Q0 |( b8 s( n
% |4 {& K# P% y. J6 t5 ]$ [: I! L' G9 \9 z# ^' C7 V% X
以上为常用的函数！! M' ^; c: P5 }! ]
还有很多，如有需要我把资料发到你邮箱里
3 R5 j' Z* a# S8 q
5 [8 D+ r6 T/ ]8 h8 K' K+ H) ?) n _( o3 N/ y$ I' k
7 N2 x) ^, R. }% N/ Z0 o! T! ?
0 q1 J& [% v' c, n5 @! L
5 s1 ~& b. t% `5 m# j( k8 v8 s+ p- Q$ x
% l" n8 k, ^- [8 g# o& {2 `
, G3 `% Y- `% ]) |* f+ ?$ n4 q9 _
6 N+ B8 \8 f: f/ H9 j! i: A
7 x* ^' e: ^# P* l: i6 `
|
|
[复制链接]
