|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
% @( V8 n5 X0 T/ o* H, B3 U" M if <condition> then
5 V$ d' V. Z8 n3 S4 Z <statement sequence1>;
1 n- f+ o0 S8 V7 H8 ~8 d- h elseif <condition> then
" W+ A3 r o9 U/ H* z# q <statement sequence2>;2 Y$ {& b0 h2 G& F
else , z; B3 q- w+ P& V) K( ?
<statement sequence3>;% f1 L9 E% m5 _
end;0 `2 T+ ]- F; e( T% }. i" J
如果分支比较多，用：
. u8 g1 C, Y% n" e4 x9 M9 J inspect <expression>. T# n& m$ V7 B. r6 d/ l5 x
when <constant_list> then! U! y+ O) E/ O4 L, h& p( | t- `
<statement sequence1>;
6 [, u+ C4 g7 f when <constant_list> then
! G, u' ]" f8 p% j2 V" A7 m) N/ R <statement sequence2>;
6 s) J& `# M/ ^0 x, R$ ^& o ...) v+ p- \8 a7 s
else
" K4 S" l+ h$ R5 L$ ? <statement sequence3>;
% r6 ~/ k# k3 O+ Dend;
( B: i; a5 O( \0 m1 f0 ^' a, D( X4 a. J4 S+ a
2循环语句9 U4 p7 z: V( q, V: v- a1 n4 v
(1) from <statement sequence1>
L1 P; V$ U5 j: m' B1 ~6 R until <condition> loop
) K" C) O# ~- H <statement sequence2>;4 P7 R! e- s ]1 g& a
end;( k8 i9 |8 u& `* r8 d* h! b
(2) while <condition> loop8 _: ]% I* S" h8 B
<statement sequence1>;2 d8 |( I; p7 A0 S
end;
5 J" f8 U9 ^, v: K- j (3) repeat 7 T' G, Y {( m/ M% d Q% I
<statement sequence1>;
' u) a- t0 x9 S; L4 W9 e1 W until <condition>;
5 \! s* g; Q) b* V) q (4) for <condition> to <condition> loop- x# ~& Q/ Y- n2 p5 `+ K
<statement sequence1>;
( Y& T2 p. |, L% N next;' O% a3 s. z% M/ }- ~
3中断语句
! j. A' f; \: u. s. C8 u* w m waituntil <condition> prio <integer expression>;
; `$ a+ Q3 Y2 I. V- k# _0 h* S) R$ U8 Z" J2 h
% H+ K! c& z* K$ l6 a' f以上为常用的函数！$ I( Z( W) o' S( Q/ c" ^, L
还有很多，如有需要我把资料发到你邮箱里 ( Y3 r& } z ~* N3 ?
6 }" z' o% j g* n* Y( S6 @) B, N6 L7 D. n, A$ M2 U
4 F& |" Y L7 ~8 Y4 Y$ n a
" h0 }8 T0 o- V5 D. X2 _$ Z
* E* z; ?' i% Q6 _, U
; k) J4 M5 G H' M/ y
" y- _2 A9 T/ _5 h9 p. N2 J
* C B* m' m$ a% _' [' g4 m: q
. m. d, M$ B5 ^" h8 Q# s: u1 `3 m! D " D. e {# k+ k4 s+ R
|
|
[复制链接]
