|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句9 ?" K0 Z" p$ h) u6 c8 ]
if <condition> then0 N$ x7 E8 T1 d8 [: I0 ]6 d! g4 F
<statement sequence1>;- e$ R( k3 \- d- H( m
elseif <condition> then
: e5 b' q3 x# B K' r0 W <statement sequence2>;! }# T/ z# [8 ^( Z
else 5 ^- W3 G! s) U; l/ n
<statement sequence3>;# F* X3 M# y6 Q! C& ^
end;& {# H1 E# A8 s) S) r( W
如果分支比较多，用：' W( t, r9 C9 [, i, p6 p# M, S
inspect <expression>
1 |9 _& R! d2 e, U when <constant_list> then! F; a$ J9 H4 |9 r
<statement sequence1>;
\- [; ]# k3 g7 ]8 h when <constant_list> then
3 [3 r, f% b; e0 g' A <statement sequence2>;
3 v3 ]! E1 e7 Z/ P4 r; |* j5 C ...6 q$ m5 M$ C- ^
else
, Y: ^* o9 [5 x; d3 P <statement sequence3>;) O' y. u) F+ H0 K
end;4 E9 |/ z6 Y/ C/ i$ O; P9 `/ E
0 h6 V: m* I1 R& l2循环语句- A& A [* T0 r" N- A: C r
(1) from <statement sequence1>! h2 D, K% n0 w0 [% v
until <condition> loop
' W4 H( \' b4 q <statement sequence2>;5 g5 Z9 F9 e- K$ \: e* F9 @
end;9 Y1 t8 B% { U0 n' B
(2) while <condition> loop
3 N" |/ M* _9 H$ P: m9 m <statement sequence1>;
* |/ p9 u7 M' q3 d0 L end;% @0 H8 S& s2 R* Z
(3) repeat 5 C+ E. @4 Y* I4 t4 y# `
<statement sequence1>;' U; F: t) Y! l( V; \$ z0 s
until <condition>;
) ^/ ~ S5 V& S4 Y (4) for <condition> to <condition> loop
( ~6 |' _% R3 R( D3 D, } <statement sequence1>;
7 X' m; C' w( c next;
# b+ s& e$ K |3 T& N: B3中断语句
" d2 W% Q+ p% j" }1 Y waituntil <condition> prio <integer expression>;
! s6 X" K/ `8 D3 Q, y' B) d7 w! `! J
4 R3 X. X D) e以上为常用的函数！6 M n$ r9 ]" d5 c; B
还有很多，如有需要我把资料发到你邮箱里 4 S( x0 Y8 q, J+ }
: W6 q6 a$ ]" P. q9 s
! c( }" ?2 c# u6 ^5 m* d; A
" N/ q! i: t' N) `9 ^, j " u7 ~ o3 `$ ]) E' O
7 h v( S. p+ d$ H2 N& H- T0 a% ?& y
! ?# A/ Y, ]% K1 U. C
, t, ^) _ D& y2 Z- V7 }) _" G: t" {
4 f. o2 Y; E" V- C, L |
|
[复制链接]
