|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
{# Q' b6 u- w& N; Z! l if <condition> then+ {) j) i: U7 a4 G3 W5 {' D. w
<statement sequence1>;
# l0 X, c# p; t6 T& x5 D$ A elseif <condition> then
! B: L4 Z+ I( S6 U5 c <statement sequence2>;# ~0 W/ p: V: }6 y9 Z2 d
else
, g' m" g" H: H; a <statement sequence3>;
, h/ ^, y4 W& f7 g end;" E2 M: d( O2 W; q5 Z% y/ m# D6 V6 S
如果分支比较多，用：/ p& C/ }5 O- D7 V
inspect <expression>" ?& `6 O; q" u1 {" ~' ^
when <constant_list> then0 T; w8 o$ r: g
<statement sequence1>;) e& N( c/ A8 _ j7 {, |9 F' _4 k
when <constant_list> then+ Q2 H0 r& p2 y. k
<statement sequence2>;8 V& { q7 R* V' k! p7 F, [5 H
...
* B* \$ H1 p: N else; i& R% a5 r, `7 U$ P
<statement sequence3>;
) H+ T# P# O. tend;
; w ~) e0 X4 P2 }' i( w* H) |5 @5 w; ~) F$ X
2循环语句8 l9 L6 r0 R! D
(1) from <statement sequence1>5 C+ B' E p1 K& h5 W: g
until <condition> loop
) J, L2 {( R2 U7 I: T3 Q <statement sequence2>;
0 B3 J# |2 a. q; R- _7 L end;) M7 B* B6 M a( {1 V
(2) while <condition> loop. ?! n! a" [ ^' v& G
<statement sequence1>;* ?1 t' z2 C# U# m) Z
end;
4 I$ A2 }7 U# l: }/ X) o0 c. E2 A (3) repeat
8 `) ?% V" @4 l. ~1 n" E <statement sequence1>;
. ^7 e( y1 l! h7 R, g0 n; B until <condition>;( n5 r1 H: C: K6 g; i
(4) for <condition> to <condition> loop
) q/ C& n% t6 v' x+ R5 e4 N; U <statement sequence1>;
: ]$ k; e7 u, l$ u$ E5 k next;. Y" j" d' j$ s- } J6 L# F( m
3中断语句1 t8 s: Y Y* P& e* E
waituntil <condition> prio <integer expression>;* j8 T* f. r& m0 k9 u/ y
h# Q( [- G. `9 }$ Y. u& x* F2 |
以上为常用的函数！
7 n) I- y! {9 Q1 r还有很多，如有需要我把资料发到你邮箱里 ' M b; J8 m$ i5 O
4 {$ R, L9 U% ]/ U( R; I/ i
3 \* w& F0 z5 n5 i) ~- e
/ j. [$ I$ h' Y* i# H- N
" ^5 @0 z- x' w2 Q2 I& `7 [' `; n0 v7 V3 Z+ H% E5 B
# b5 q. S: ~: ?, p9 l7 Z! U, G, q) |8 r/ [" t3 L" N
0 s+ r: T& p5 _) Z) x E8 Y1 u* l6 t& Z8 A0 ]$ ^! N
, t3 Z$ \6 A& C; J' l/ D$ [6 [ |
|
[复制链接]
