|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ }; r6 i' {9 I/ K; O# A if <condition> then2 [) d7 M0 X9 }/ h$ o" i
<statement sequence1>;
- s( N9 u* g. f& K8 Z! w7 G! V elseif <condition> then
S2 B; @$ v. ~0 x <statement sequence2>;# e2 P$ B& |/ K0 @
else + _# t8 e+ A t% c5 @/ |4 J$ K
<statement sequence3>;! Y% U8 e$ ^9 \5 d7 S, {- e2 P6 x
end;
0 b" X" p6 \% |! t- z2 }如果分支比较多，用：
3 _' c; y* w9 E inspect <expression>6 i) j0 U7 s& v% D$ e
when <constant_list> then) I- T7 `0 ?5 |0 h) [
<statement sequence1>;; Z! \% X6 K3 f" ~: t9 c+ q. s+ p
when <constant_list> then
2 I) ]" s# Y2 h8 c- a <statement sequence2>;: p, {5 \4 E9 A& Z5 K& y
..." V3 n3 N2 Z/ N& G n" p7 S/ ^9 I
else9 a1 I1 Q: D) {# t" g8 ^
<statement sequence3>;2 m+ W) K5 U8 g
end;" H+ ?; d+ u) t% a" C' v, o/ ^7 Q
6 U9 D) |5 E* }0 S6 N& I: c# K2循环语句
2 x" N# n# T T9 P9 F! U& ?7 Z (1) from <statement sequence1>' ?( v/ q, f; H& I1 G/ ^
until <condition> loop( n9 n* c8 A8 u4 y P# {& g8 g
<statement sequence2>;
; m) O3 I+ E+ I end;
8 Z: c2 s2 \8 ~, w, |( j* d (2) while <condition> loop
5 P. n( R/ M, a" T5 k/ M <statement sequence1>;
5 U, t4 c z3 k( q& p end;
4 K+ l- B6 Y# ? (3) repeat / F' s# r, b [+ ?3 z& u) A: X
<statement sequence1>;* n% Q3 `% D5 m) @
until <condition>;2 O5 q6 K7 ^! U% l! R% [' A7 I' d, O) w
(4) for <condition> to <condition> loop
* I/ Y( i+ p7 M/ u6 P/ @" ` <statement sequence1>;
* M; z' F1 [% k ` l+ C next;. w/ F- w+ T8 M. ~0 \8 U# i- A5 q
3中断语句
: H9 ~$ F% j( @" I! H& V waituntil <condition> prio <integer expression>;
# E% @; l% t1 b" v, E Z
I! \9 p6 ]+ ^% o* T/ U$ ~
" ]- u% [8 a. i' h. u- L以上为常用的函数！$ h y J9 R) r! q
还有很多，如有需要我把资料发到你邮箱里 - ?7 x' d" | s
o) n. ]/ \2 r7 m1 K; \: j% l7 Z; ~9 O, S0 O7 n
; j; Y1 c5 e, G3 O& p* u2 i
@2 o" H9 I; f) W/ D8 m8 P4 G# F8 k6 U
8 x7 `) x0 q5 w- q# \' y' R" @$ s) J8 c: ?& _! e1 x& n" Z2 _6 b1 J# g# c
& J& O* i+ _! K0 V2 ]+ r+ n( L) C# A) x/ n; s/ b
6 \) Q. `3 X! M. [ ~+ S |
|
[复制链接]
