|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
! h6 P, E; N1 m if <condition> then
( c4 l- L8 P& [# _! W <statement sequence1>;
4 ~1 S/ b9 D6 V' \, r& {1 x elseif <condition> then3 {+ @7 T5 v) U2 [
<statement sequence2>;
# J+ ]+ e5 _% b0 h3 d ~7 c+ g else ' k* s9 W& Y! u4 i2 ]
<statement sequence3>;
% W4 g' k, U/ H3 B `7 W, o1 [ end;
: _3 W2 g& d- g1 q: k* [4 o! e如果分支比较多，用：
) W$ U4 _2 @2 i" @ inspect <expression>7 n; U0 v* |7 a
when <constant_list> then" R( ^# x: F( v* {9 _
<statement sequence1>;- t, K5 ~" \9 T
when <constant_list> then- I5 r) c9 f1 j* `) T
<statement sequence2>;
0 x0 X& o, f- L. W" R; g1 i4 B ...
0 V* v' Z7 D8 @ p; q else
# }: a8 u2 b1 \, Z, D <statement sequence3>;
: `8 z7 U" q& q2 M6 b' Aend;
$ v2 C9 R& F- G A$ D9 m' E# Y' @
2循环语句6 i* ? z9 \: b; f
(1) from <statement sequence1>' ?0 Z+ X& w0 s1 s" o
until <condition> loop
5 H# v; S' J( ^+ K5 a8 f6 g <statement sequence2>;; |9 Z* Q+ V6 l: B0 F* D; n
end;
9 @ m1 f$ C# G" M. |4 e (2) while <condition> loop
, \% ]: a) ~- i! C$ o. i8 E1 w0 S) } <statement sequence1>;1 I* R% S% H% }! |
end;" X. y; M- A; F3 x
(3) repeat
# \/ \ G' v4 I# s3 v% G <statement sequence1>;- d% H: A1 j2 k' t1 e9 X
until <condition>;! C9 A& r8 x3 x" w4 o. j$ S
(4) for <condition> to <condition> loop4 M3 A6 g! x8 G3 \0 u1 c
<statement sequence1>;1 e; l- y( F0 ^. c
next;
. L6 R" k9 K K. T* `$ H% O3 L6 U3中断语句
4 I0 r' e+ N- U$ [3 ]' t waituntil <condition> prio <integer expression>;
$ m% ~; ~7 Z8 ^+ h r5 \) B4 R- n1 Q/ g9 f6 n# Q; I1 |. V& a0 i2 ]
. S: [3 r7 r* o% j& _$ H以上为常用的函数！
$ J; C1 A8 }8 R+ u3 C" h1 i" F还有很多，如有需要我把资料发到你邮箱里
2 T0 I8 Z8 u! Z2 {9 O/ U8 x3 r0 L2 _5 Z6 P
: H' z, m2 F5 l3 y" s3 A
) {1 v& x \8 u& h) H @: Q 3 B# V* Q& |" X' G
' R3 e' q% G m4 q
% k$ M. s9 }4 I! n% u. ^/ s" c: h
$ Y6 n) F5 ]1 E! z1 K
$ n' m: T& G$ ~; D5 \
# Q5 |) R" M7 H2 ]. K9 U, I G 3 A8 f9 k8 L# s, i1 |# p( a2 V* k
|
|
[复制链接]
