|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' C& t5 k) Q) T2 h( W; ~ if <condition> then
. c! s/ G4 R( R; [- d ^3 b5 v D <statement sequence1>;& X& `4 m- R' p! a( L
elseif <condition> then. q: Q' o; c- Y. Y6 t9 {* u
<statement sequence2>;
; H3 k" x F( o% t- X( ^% M else
7 I8 f5 [% s% }) d- ^% Z <statement sequence3>;
! s! @6 i; H' j end;
% L/ g; W9 k. g: i. a如果分支比较多，用：
! b; c0 _+ l9 S* X1 A( r inspect <expression> w6 ? m1 O4 D& b
when <constant_list> then3 A% t: Z5 |' L% f5 W
<statement sequence1>;
2 w W$ b2 f7 U" X when <constant_list> then6 d& p @' v! t; c8 G7 E
<statement sequence2>;; m: e+ x3 P: V4 d
...
$ K& W* E5 _& C4 u else
" {% W- Z0 e) n. K" U% L, i. T <statement sequence3>;
: L+ }/ a1 Y% d3 F, Cend;8 o- ^* C3 v( i4 N3 j$ k N
, f( ]" ^: [6 A( b1 c% C$ C
2循环语句
+ v! S- o2 o( W8 L (1) from <statement sequence1>4 x, f, e; t/ d$ j L7 `
until <condition> loop
! J6 y8 r# D8 ]3 }, E5 @/ k <statement sequence2>;
2 e0 p" G0 @& h2 {+ Y: }: J end;
0 ^9 |( X$ n: i- @7 f (2) while <condition> loop% a2 ?" F; x3 O1 G _
<statement sequence1>;
1 `# A+ e/ |# S# J5 W end;( _% P, G3 c! t+ [$ @2 C
(3) repeat
0 k8 i" ^# f, s. a Z) t- a) { <statement sequence1>;6 r% i; x% N1 ^& ?
until <condition>;
! } z0 W5 o$ g) _9 ?9 i (4) for <condition> to <condition> loop8 f3 ~( _7 f2 t& }4 w1 Z* v& A
<statement sequence1>;
" R: C& p" H L; n' o next;
( L( J. q6 A# i6 R$ C; I: D3中断语句
1 _) J% ?, {2 W) o3 w0 R; H waituntil <condition> prio <integer expression>;( p# w. A* t/ z2 c9 e
1 J* |+ A) y) `' y; Y/ Z
2 x8 b; X0 q: w以上为常用的函数！
+ \7 M- D% v* i9 E2 u$ q/ d还有很多，如有需要我把资料发到你邮箱里
9 Z! ?' ]5 |5 E, m9 ^! s" b; z9 d3 |
0 c- X/ `. `. `4 M* }2 u8 S
9 D. u: |) i! n! L, Q
$ L1 w0 F5 d# f/ ~
, K* i& W, j- w" C% P8 u6 E
! o' ] a3 ~& `0 X* ~. N) s' I: m% ]: u+ B
6 y9 G9 [4 s+ Z
/ J- R" o4 W- z9 K v6 O/ @. `* V# f * p2 C8 Z0 w/ `9 P2 T
|
|
[复制链接]
