|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
m4 O8 Y) B# e, V if <condition> then
- P7 q! B2 a8 y s K <statement sequence1>;, b. {$ O+ E/ _( [
elseif <condition> then" h9 O% `7 N( l
<statement sequence2>;
$ r0 m4 x$ m2 X& P" c1 P/ w" t else 0 D7 b3 U( R; `7 J
<statement sequence3>;& D& T2 {' l- h$ Q* w, u" J
end;; n) J4 P& P* M) X
如果分支比较多，用：% a1 M. n# T: A7 A% f/ o, C: ?
inspect <expression>1 C: ]; I" `. W
when <constant_list> then
( n7 F: E! U! t: g$ W <statement sequence1>;
& V. j; z( c, c9 [/ X8 x7 w when <constant_list> then
6 Y/ {( z3 u( `$ { <statement sequence2>; p' J3 g @: Y% D+ n+ h& ]+ b
...
# A3 u- O# f7 W7 V- S0 D# ] else
4 i* K+ T0 y; g* t. z4 y <statement sequence3>;
+ y# ~% }+ ~' s- n% gend;
9 {5 _1 }* a: H3 W) {9 z# \8 T% D) b6 c4 B( B
2循环语句1 o. O/ L1 N. U3 ^' Y+ r
(1) from <statement sequence1>
( x) u* ^) p0 q$ r* e until <condition> loop
' @) R* z, Y4 @: a1 ]/ Q <statement sequence2>;
& s% j. u+ u# t end;
: ?- L8 E" R; P; O! N( j' c (2) while <condition> loop' G4 m4 T! z* j- J. f2 Q
<statement sequence1>;! K+ j( r1 R# `
end;/ _/ H' y6 h+ S+ T
(3) repeat $ Z# `7 H; w8 }: H4 S
<statement sequence1>;
7 v6 e- G7 P) ?6 R5 [ until <condition>;) F: P1 m. e H- Y* o
(4) for <condition> to <condition> loop0 ^3 Q( d4 { T3 r1 x
<statement sequence1>;
) |) E4 K' {8 V( e. ?0 ?; E next;
( c7 T: N6 T/ d$ {3中断语句' a# l, b. f7 {. h5 m
waituntil <condition> prio <integer expression>;3 x8 ]% ~5 Z: c& o7 d
7 `* Q9 \2 U2 D6 a8 x8 F! `
* |' B* G8 o! P以上为常用的函数！
4 o. X0 `" a# j3 G还有很多，如有需要我把资料发到你邮箱里
. n5 T; }/ x& `9 G; e# U: o) C" h
8 j: h+ Y9 {* r3 \0 r: C5 j6 j
: M9 G; p1 C" s' o+ N% P5 @, {+ g) m0 H# J+ r" @
0 @8 m3 W, {( o4 i, J9 J: T; E; V0 @0 x
& r2 z- H! N- V$ T2 D9 j- n
8 `! f' E g+ I) z3 a
4 q# E. P, z s+ u- y5 e9 u
1 {/ }) [+ X" K9 {, |
0 J# z7 a- {8 N& ^ |
|
[复制链接]
