|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
8 u6 F0 N9 m4 E9 e; R& O! B if <condition> then
9 W( u( h/ L8 ^" z <statement sequence1>;
8 M8 h! Z; L. J6 \ elseif <condition> then
7 t7 [% j2 C6 m, @+ C( S k <statement sequence2>;" i6 Y& j+ Q; ^5 o. k; E3 Z
else . ~) @% g, ^% a2 f7 M% j0 i
<statement sequence3>;
. C4 z4 h" T. h" [) D ?- D: k end;" w5 Y+ a% U# Q6 O$ J
如果分支比较多，用：# m7 e! m: T: q
inspect <expression>9 l# o, o/ \! Q2 t l2 W4 r
when <constant_list> then
+ ^5 k- r) r" w9 l7 F. N <statement sequence1>;
7 n2 m! @1 O5 @6 C8 d s when <constant_list> then
/ v, M+ U& o) c& O2 f { <statement sequence2>;7 r9 `3 ` C3 T7 B) z% Q0 h2 @0 I5 n; u
...
2 x# K1 B' u6 |* m5 M, w4 [# @ else
' A9 B& D, O# L, y <statement sequence3>;! i" t+ i& }% l/ w
end;
( T- t/ ]. c. E) A: V
8 Y) N# r+ L1 l; x0 `2循环语句* u4 s' m9 B5 G( Y& g
(1) from <statement sequence1>
: I- r0 m3 G. L until <condition> loop
% @1 b. \4 c" G9 l; L2 o <statement sequence2>;% X9 [) m- N* W- \4 n
end;7 C# k. V2 L! v1 ?( ^3 O
(2) while <condition> loop
: |5 \0 Q5 D5 T8 J7 h <statement sequence1>;
( I% x6 z6 I# A$ B* G* N9 w, d end;) M8 I( w# C% [
(3) repeat 1 _9 f' g9 ^# Z- U
<statement sequence1>;$ | X8 L0 l; v! C1 Y& G
until <condition>;
9 @ Q3 {- d' @) J( ^0 @. @ (4) for <condition> to <condition> loop
* P2 F' [9 J, n4 ]7 L! R4 i <statement sequence1>;' p; ~! d# F9 s, N: B' p/ u
next;
$ U: T+ o* w4 Q) m3中断语句
( T8 ?/ A( Z' G% b$ F$ \6 t) n# u/ N waituntil <condition> prio <integer expression>;
; q+ S) V( M7 s! D [3 v7 ^
! M+ I3 F2 b2 I$ X& c& C' a' L# F3 D t5 N5 h; g
以上为常用的函数！ j& [0 ^0 w0 g3 G$ p$ I
还有很多，如有需要我把资料发到你邮箱里 * t8 @& ~+ o; ^% |2 |4 p3 t
# ?0 I9 f8 p; `6 \7 R$ X/ h# a
; e& A. D( ^8 _% |2 K, o6 a# x
; I. {3 M" E' W0 m4 j
+ M' {5 Y8 U. |, C
; M0 ^. ?0 H5 Z
9 i3 W2 ^, g8 v5 G6 R4 j2 |, Y5 s' Q
) H7 f8 W; H2 v0 W: c" _3 q. [5 ^8 W) Q* \- q2 T: m& q
2 J% n+ V+ m% `" A0 S
$ d. W- @3 w* i5 y, {
|
|
[复制链接]
