|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" @( Q5 P/ P7 Q$ m' |4 W1 u3 D
if <condition> then
4 h/ _, B8 X" W+ C9 y0 O <statement sequence1>;8 _* i# D" ^/ M6 Q) q
elseif <condition> then0 H8 N! r, U6 a3 `
<statement sequence2>;. R0 f# T! e& c8 _' I
else ; y7 x( d" l' r/ ~$ ?$ X
<statement sequence3>;
" t1 W0 {0 A9 N6 J$ [ end;% _6 ~+ i9 J7 _* V' z
如果分支比较多，用：4 Q+ V4 F2 A4 D9 E
inspect <expression>
& L( V9 X- d+ M, a4 F. j when <constant_list> then
$ ? O [1 R# L* W8 J <statement sequence1>;% l2 _- `8 v# F( U5 J" f* V
when <constant_list> then
2 t5 \( G3 c: ~" T, j <statement sequence2>;
) a& J+ x2 M' F$ ? ...
1 ^' s( d: B& {% P& i$ U else
9 _( F4 k5 r: k <statement sequence3>;9 W% ~% I% a, I/ v! v% P" G2 j
end;
" F! h0 T( R _0 t8 N
' p/ w3 {" D; u6 e. V2循环语句% I; H6 y9 W- f2 o7 }
(1) from <statement sequence1>
3 k1 O1 W5 H8 B6 X3 V( j, q' O- r until <condition> loop* E# ^) O$ Y+ u6 n9 M
<statement sequence2>;
& E7 p& ~ f2 r* K% T: s8 n end;' A, I5 f) I( P6 p
(2) while <condition> loop7 u" c: c9 Z" H( ?
<statement sequence1>;5 G" ^# S0 p" \" y; K3 i) Z8 T
end;' f4 K) D% ^! C" O4 Z
(3) repeat ) F7 i% z- U; A* T
<statement sequence1>;; H A1 I2 O$ o1 |+ g) K
until <condition>;; o# v6 d B6 g7 p1 H6 g2 F
(4) for <condition> to <condition> loop" ?7 h6 j) b/ k+ N
<statement sequence1>;% M6 o# `* F; P
next;3 Q8 H, }" R ~7 ~
3中断语句0 @" d# ~4 I' `" M
waituntil <condition> prio <integer expression>;* w( z% T3 c$ w2 {
, A/ g. L$ w) U q$ t7 w/ [: D
' N% ]2 T& M% M9 V' M- _以上为常用的函数！6 B9 ]1 O/ o- i1 ^ [- a8 J
还有很多，如有需要我把资料发到你邮箱里
8 x+ `8 @9 N6 J R/ c( M. ^
& r6 ?/ w! W8 g9 ^4 E0 B y8 `0 G# C5 s4 h
! a! S; b# f' n1 r. {1 ~, `
8 M% y% f% u: N2 ]5 Q: m$ H/ u4 K+ O: r G6 A
9 s- N/ H2 [8 ?1 y4 Q: F( y% x! M' E+ q
) |6 q! H0 u! c% e; _" w' c( i; U+ n) d0 L ?, l7 j1 ~( I$ |
$ i/ P( s* }9 S, N/ e
|
|
[复制链接]
