|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
: B" G# s! q- Z" { if <condition> then
( x' s% n4 H8 K$ L7 \2 o- s <statement sequence1>;' {5 M, v) [" `4 Z+ e
elseif <condition> then
* z* _2 _8 a! j) B9 k) H. \ <statement sequence2>;
, V2 M* b) O3 Q9 P8 P else
! G- X! y* e6 c6 X4 c7 n; M6 O ? <statement sequence3>;
4 D6 \( ^- P( T end;
9 z# z$ I* u) q5 B如果分支比较多，用：
+ r( \! }% X# q) C inspect <expression>
0 E) g' ]$ F! x$ T {2 I when <constant_list> then# O' [- A2 x' a; L c
<statement sequence1>;
; b, ~0 P2 D7 `' @ when <constant_list> then
, \+ P) b" h' }" p9 c <statement sequence2>;
2 P/ P* Z/ T0 x! X ..." O' z$ B% A; D( f: h
else. \6 ^3 K3 M/ z, p9 B( n2 ^
<statement sequence3>;" O0 _! k1 t L$ d" Q' |& W
end;
* x! c* l3 J+ }: M8 ~
" s, c, W' j+ F* c7 h: C2循环语句! N2 o# F, ^" b# g6 r3 |9 \; K" Z
(1) from <statement sequence1>
3 F1 q; z$ n" E {) @ until <condition> loop0 N$ f9 O" L! d; f& H4 q& `
<statement sequence2>;
- z" B: p2 W, a+ g4 Y- k; C end;, W' I+ o. ^& l* ]( {& F4 G
(2) while <condition> loop. B6 x8 i; S; p; T" W
<statement sequence1>;
6 Y4 D/ y0 H+ G: Z end;4 P7 J6 ~6 o& S# ?
(3) repeat
: W2 g7 e* X9 N( d* F0 ~. V% G, u <statement sequence1>;
# B d. z) ~. }( e9 d until <condition>;
: \) p4 G5 r& |5 O. M (4) for <condition> to <condition> loop
: }& @+ u& r1 G/ [- o5 h <statement sequence1>;5 }6 f& i# Z+ I2 k' M9 ~
next;# o4 \: l1 M' T# r+ ]; g2 n+ Z& X) {
3中断语句
% ]/ i- s2 n5 x# d, ]* d waituntil <condition> prio <integer expression>;
/ n' ^' q0 S7 U
6 G/ v6 J" x7 _- m$ y: |. D/ g& a: h$ L) C) [9 Y5 ~2 f
以上为常用的函数！
" ?/ o% ~" k# o$ ~. M0 b还有很多，如有需要我把资料发到你邮箱里
' M6 Y- Z0 S1 S0 w$ Y* T, ~1 [+ i) E# d; k( V. w
& B. M1 g# B* R1 E8 R. C4 D
C. J+ F7 L4 W+ x. [ 6 r& s* T* n/ {# G K1 u% K
7 R% y; X6 U) ^, R
; o' T P& D8 j; A* E/ B% w* {1 m/ N% l1 V! t
1 F/ q6 r: N( R5 n
( E9 p0 w9 h- H3 t( Z
' _( c/ B2 ?9 M- d: Y |
|
[复制链接]
