|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
6 h: K* i% A2 u- S. W( V- T; Y if <condition> then3 k) D( l& y* E- L. o, N/ B
<statement sequence1>;
, Y. L2 k* B' ~" ~+ b elseif <condition> then/ G7 E; q9 ?2 ~4 a8 K
<statement sequence2>;
$ T8 {* D( R- j else ( d+ N$ B. J# T) U/ {
<statement sequence3>;
6 l/ U' O- V4 {) U7 J end;% x9 B; r* c0 j4 ?
如果分支比较多,用:
) M4 w4 H: U8 Z0 u inspect <expression>
8 U8 }$ Q- f( |* o% r8 h when <constant_list> then( A( n* h3 Z0 G1 V w" p# p
<statement sequence1>;
) j! A( a5 g% n- \ when <constant_list> then; z4 @6 E" [& D: q5 R+ M
<statement sequence2>;
3 A( g& U; _# g! f M" c ...; t3 p; U& @ D; @9 c! n
else6 a# M# i) i* w
<statement sequence3>;
4 P9 c8 ]* O* z3 \end;
1 _: S; l4 e+ ?8 M: K5 |
! Y; W2 z' k/ _/ r, k2循环语句' p: L0 x6 G4 J |
(1) from <statement sequence1>/ N. G# \$ R- i. m! w
until <condition> loop9 s! T; N2 B) M
<statement sequence2>;
- c r7 M8 _1 W) y- F end;$ X# Y7 @ H3 v' V4 h& o) z
(2) while <condition> loop
8 R8 ]$ h3 i0 o8 _ <statement sequence1>;( Y; j, r0 y3 y: l" @
end;
" H6 E+ I" Z& B& W( _; Z4 I ] (3) repeat
4 U5 n) G) s( ~8 @6 _ g <statement sequence1>;# w2 \5 O8 V6 s* [3 l
until <condition>;
6 @% W8 C- X8 s/ B5 w (4) for <condition> to <condition> loop
) i+ S. t8 L) }' i0 P2 t <statement sequence1>;
" `# K- `/ `- b) ?3 R2 I: D next;3 ^0 c: g( F+ r' u" z+ ]" ]: J
3中断语句
- p3 l" e# N g! E/ } waituntil <condition> prio <integer expression>;- E9 \5 O: N9 h: Q5 l# ^' A$ i( X% g
! N8 o& i7 ?( Y* ?1 }
1 A# T; y+ N3 k$ x) v8 V& \以上为常用的函数!9 o' G [$ \ `6 S+ g
还有很多,如有需要我把资料发到你邮箱里
: p! M3 y- E0 K" ?# h# ?6 C! }, R+ G, F& q4 }* K! d1 A
; s7 t6 Z/ J$ N
1 y- d, K6 S, M/ {4 ~. T Z* [6 ^
& v0 m6 T1 p6 |% x( {+ y% v$ J! Y) f- K5 }6 H6 J1 f8 }" n% W" I) U
' f# a8 J7 v6 ^ M' n% x7 F- f+ i
$ s; A7 T9 G( f
6 I. { ^- ?# F4 |
# E, A9 e5 y& t. x
/ x* b. m3 q9 v3 n8 d |
|