|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' I( L/ r( V- E% m if <condition> then! q) _5 e, ~; [4 J7 d
<statement sequence1>;! y; C* l( j; y6 f
elseif <condition> then6 W$ {# w: K1 g' r
<statement sequence2>;7 o, P5 L" H4 ]" r
else
9 E1 S5 ?+ V, e8 `% r% X! j <statement sequence3>;$ f# \0 t+ Q N% v
end;
2 x6 Z" R2 h4 y+ j; C: q如果分支比较多，用：' |/ @; I* _2 c! S) a1 ^- I
inspect <expression>
7 j: x2 t; ]9 C2 O when <constant_list> then- p, p( ^5 ~+ a! \) x
<statement sequence1>;" Q8 I* I0 ]0 n; |& o0 A
when <constant_list> then
, u e/ Z# G2 B <statement sequence2>;) R+ A. | p. F5 J8 |
...
, T C# v. s& n" b- Y else c% R# q) t$ s ?. L# B5 v
<statement sequence3>;7 q! Q+ Q0 `1 P/ y: J# m7 X
end;/ }: {% A+ q7 {, ` l% t9 w* [" K4 R
5 [+ X" m1 g0 t, O: r2循环语句. F# x. L0 t' @2 ^0 g# J
(1) from <statement sequence1>2 N3 O2 \5 N) d1 y7 e" o5 I
until <condition> loop
. j/ |& y# L- X <statement sequence2>;
. V3 f/ U+ V' C7 S' C" @# { end;
9 m6 z: J" O5 e, v% R7 H* d9 Q6 a (2) while <condition> loop
/ V' h" b9 ^6 \4 [/ n, D0 | <statement sequence1>;3 f+ K# l, _( y$ ^
end;' g; f6 d' l" _3 Y8 D' u
(3) repeat / X) _% ~' P! F' ]+ A+ x; r
<statement sequence1>;7 t# s& a6 ^2 P6 \- B
until <condition>;
5 y# C3 _' P; m' W0 L7 ? (4) for <condition> to <condition> loop! h* m+ Y9 F& K3 H+ N# ~
<statement sequence1>;# G9 p1 `8 E$ e
next;5 y( E Z! p; G
3中断语句
, C' y+ K! }0 ]* M waituntil <condition> prio <integer expression>;
2 ], h1 |3 q( g7 ?) h) n- W: f& W* x% M" N' N( {2 O# |
! x* C6 i. o4 n6 _以上为常用的函数！
2 c8 G4 e" ?& S: \: N还有很多，如有需要我把资料发到你邮箱里
6 L4 o+ }/ b- |& L9 M* s$ [, c& v9 S
! x9 n7 o( C- c ?, E1 d
* o' i8 G; k4 b( }1 q 1 l2 C/ u- D& y! W- h7 G7 f
. t. L. d+ \! @2 d1 p( W
9 |/ T* R2 l* t- U& [; g5 S! [
8 V* h n0 E: d$ t- R
3 ]$ C# u; `2 H' H
* A$ r; L4 n2 K+ n0 R |
|
[复制链接]
