|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
& e6 a. Q* D6 e if <condition> then0 ^' F8 y* v, e* G. x
<statement sequence1>;
: J9 p8 E0 ~* F4 P8 [ elseif <condition> then% n6 p# L* S. d
<statement sequence2>;* p( }' g3 `# z; r9 q: Z
else
" N0 t$ F- E. P' g) E <statement sequence3>;
, E2 S, q3 Z# k* G1 E end;
' o1 l' W: ?, Q q; P+ Y如果分支比较多，用：7 D/ d& _; I: S) N5 }
inspect <expression>* z3 A+ u" U5 B7 L2 O) G
when <constant_list> then
! m. x! H/ a6 g) A' p <statement sequence1>;
4 `) _7 V7 K( V: T$ }# `8 \ when <constant_list> then
7 \/ w# v( V- P- y+ T+ M6 ^ <statement sequence2>;
8 {4 \8 X9 W' u ...
. W6 ^2 d' ~( j3 J else, B2 S, d& } I* D
<statement sequence3>;; N+ B+ o K6 Z
end;
1 q8 B' f |% p" X) b; S0 H) B
9 h7 Q3 M" a& S$ s2循环语句
! ^+ j; `; i5 i) b (1) from <statement sequence1>
- P& u1 k) Y3 x* p6 L% C until <condition> loop4 M ?( }4 q; g# e8 s2 Q
<statement sequence2>;0 f9 U$ W+ H. s5 k& f
end;1 X H4 J8 ~9 {: L% l
(2) while <condition> loop
; V% s" s# n* q7 r1 C3 o <statement sequence1>;
6 k* |! o: o5 K. p end;2 \$ a- E7 w9 x
(3) repeat
% M- l7 ?8 e: b7 k5 D, p <statement sequence1>;. W/ U4 I0 A# b, t5 k
until <condition>;
: p2 w% ~" [2 Z8 V' ~* E (4) for <condition> to <condition> loop4 T) K4 Q# u5 m& M* E
<statement sequence1>;2 _( z3 c, O, J$ W* P7 {' ?3 [
next;
( P) i! Q+ {7 a B7 t, D3中断语句2 E" M3 L) r% _% H) X
waituntil <condition> prio <integer expression>;
2 l) k+ m6 u* I( H
7 J9 B4 W6 M9 m3 H/ G# ?' N) g9 N
. p. W. ~- C! _; z. r以上为常用的函数！
: P0 E! H0 R% z+ b& q还有很多，如有需要我把资料发到你邮箱里
3 @) \ O0 C6 v- B4 ?% L' [0 M5 G+ @/ S% z; o7 R! g
# K$ Q" ]3 Y5 l% T \
$ e$ V H$ j" {1 w
2 D" T8 u/ i8 D& I; V7 H% K+ i* \$ M) Z5 D @ P
7 H/ c# j& B: f2 H) ~4 C3 j
0 Q; [* |& a$ a2 C9 ~; Q$ S! B
0 V; u$ r2 T) j" F5 I) ~) I, ]6 I
! H. }5 ^: p+ P5 U4 E8 B
, |' Q9 p; \& s8 K Q |
|
[复制链接]
