|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ Z4 W) u* h: f( j if <condition> then/ f$ g' Y: C7 U0 U+ w: ?
<statement sequence1>;
h# O: Z$ @* y elseif <condition> then
# c4 m& L% z; C9 ?; P9 J <statement sequence2>;' {' t& ]- f6 Q" q& ^( d( b; }
else
! L6 t$ s. D- a% E <statement sequence3>;; v' r# H& z/ X. E
end;% y. N; s6 R: f' K" C% Z( s9 D& f
如果分支比较多，用：! a- E1 f+ z( g9 ~/ r; m8 |) B
inspect <expression>. A4 C3 I7 E7 v2 q, e
when <constant_list> then
, x/ F h% U' S$ ]+ C6 t) C+ N <statement sequence1>;- c1 A+ L# w/ T+ W
when <constant_list> then
: J8 T. ?8 }: e+ C8 r. Y <statement sequence2>;8 T' s+ h2 v: B1 _8 u
...
1 x0 x5 O: x# \; P1 w- I$ a else* x3 }/ B8 w5 t0 B! Z9 C; E4 L9 z
<statement sequence3>;+ H7 U9 D5 N' q3 U+ J
end;3 K7 K, v) R& ~4 H/ Z* n
5 m" ]9 V" n% `" A3 ?! W
2循环语句
( b" |. s2 S D w* C (1) from <statement sequence1>
: B! y( e. O1 }7 U7 P until <condition> loop. N) N6 N8 _6 H2 r4 K
<statement sequence2>;) h' ]; z. x5 d- O
end;7 H0 N/ Y" G2 @, e% `$ U+ V
(2) while <condition> loop3 Z: J: l- j) S
<statement sequence1>;( E2 j& c3 @- K, E. D/ i0 a
end;" g9 Z) g( D( y9 n ^& G
(3) repeat
7 ~$ P+ B1 _- } <statement sequence1>;' ]! H3 I' Y8 V1 M' d6 D- r0 c
until <condition>;
: I- Q$ q: f& ^% F2 `2 W+ V0 E. b (4) for <condition> to <condition> loop
" n* v; d- x6 c. N# f <statement sequence1>;3 z8 S% {% N7 H; R) R: q
next;1 f5 V# y+ O# p1 k
3中断语句' ^% Z2 l. m/ o2 m
waituntil <condition> prio <integer expression>;) J; N f/ c: I! U+ \
$ y, u+ C5 U/ e& G( u m3 [
+ x3 m8 B9 V7 Z" c8 U% F以上为常用的函数！
# H8 G0 a% p: M& [还有很多，如有需要我把资料发到你邮箱里
# N+ @/ q! ^1 v" ?
- s* d, `; u6 z6 j, i1 d# O2 R9 L* Q3 T
& X4 E2 o0 P9 O; x1 P% B
- X, b' k+ F \3 C) ?
, T8 n) E. \( @: ?; U* A
# G" u' R: d- B& i) O3 ]- D* a: l* a. ?' `' h' ^
: ~7 `4 }: l; R: f! N1 v9 v
8 [& `" [1 Y3 t& g [/ {) M) { 1 @$ F" v0 P1 `7 c' ?0 z
|
|
[复制链接]
