|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' M& }, t0 \5 _: G3 `: ~- F" V if <condition> then
/ O: S0 K& G) W4 ?9 ^. [/ W; ]. c) w2 g <statement sequence1>;
% f5 m4 K: W- h) f& E$ P" M, C# O+ j elseif <condition> then, [7 T+ \ T# X% @! e* g
<statement sequence2>; ^, v" N# d+ U. n/ }
else & m6 c( @, q# v9 V9 C
<statement sequence3>;
z" j) r; @) y O" E7 G end;: I5 K: d- p. O/ C1 P. j6 l0 O
如果分支比较多，用：' I. y$ ~6 C8 e7 y) \
inspect <expression>
, R$ b$ t- p) ?$ F. r- L" i: p when <constant_list> then
% d7 W7 V0 {; b2 t0 J6 P% J e <statement sequence1>;0 H3 e& [ s2 X# A
when <constant_list> then [, Y& U8 B( p5 R( `9 I+ Y% I/ R
<statement sequence2>;" o+ r4 ] J$ V, E
...
: I5 n) k* @* w' `& l else
( ^. g7 x; c$ c <statement sequence3>;5 i9 X! Z J% f: I- \+ T0 B- s$ t
end;7 y+ R% k7 F5 i
i' c" Y3 d4 t" z4 A2循环语句/ t6 w' z6 Q- o) S
(1) from <statement sequence1>
- E- m# a( o% R& l2 ] until <condition> loop: p% N' I8 U! @) }
<statement sequence2>;3 x$ ^" K3 a( Q6 e7 ~
end;
2 e4 l" z+ L6 j4 b" T" u (2) while <condition> loop
/ P. O8 k: L( [* ?# X+ v <statement sequence1>;
x, P4 |% u7 g: D, C# k end;
5 {* j- J. x5 \; g2 }% _ (3) repeat
; k4 _* x% w# M% ^* O <statement sequence1>;
; W; [# c, w$ {4 o until <condition>;- N3 r- Q3 s3 S H
(4) for <condition> to <condition> loop
9 u5 z- r1 }/ |' U <statement sequence1>;( I8 a$ R& ]: t4 W( f
next;
( z) x G1 r1 Z2 u0 N* B; ]7 V6 ]# j# C" I3中断语句
) F( V$ n8 y4 d) ^* ?& V T waituntil <condition> prio <integer expression>;" {9 Y& P3 ^- D; m5 Q4 C- H0 x
) N4 f$ M0 S* ^' ?7 X. H3 U V* I; t( Y/ s
以上为常用的函数！
. k2 v+ K" N8 Y: h还有很多，如有需要我把资料发到你邮箱里 ( @$ d' T7 N$ Y
* w* p1 f* }! Z9 ?) X0 Y8 |( V
) o7 G; X( o& o" x% D7 l3 S4 M# y8 z
6 J1 y! H; c T/ T; N! V' x
! X* d- H0 e" x2 c2 r! L5 V+ v; I4 N: h1 X7 b/ n4 r
8 c! G9 V6 n! E% K0 t
& c0 q( s- t$ V# I4 t) J& a
, M* ?9 ^( A3 R5 [: [
* n0 c2 _* u8 H0 c, z+ {* r& a |
|
[复制链接]
