|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
! F( }/ Y k: o/ {; g; R R& B7 L if <condition> then5 m) T. `1 ^' M- |) r4 Z
<statement sequence1>;" O8 F& K- F5 @& u
elseif <condition> then& h3 C$ ]5 o8 C6 _" ]
<statement sequence2>;
4 C$ j- K- f6 }; B else 2 F4 R4 I# U) ?% N0 ]* ^
<statement sequence3>;5 E4 n7 |$ s8 \. s* U5 A
end;
4 |/ c# k& e9 v0 W$ q3 M' v" ^如果分支比较多，用：; x' \- ?2 Z' _0 w
inspect <expression>
. U( Z5 I8 V1 R! Y2 B when <constant_list> then
) p* h# d2 c3 E <statement sequence1>;
1 @3 r0 g* m4 }) c2 |; J when <constant_list> then
6 J# l6 S J% H# X2 Z& U' | <statement sequence2>;/ e5 H( Z0 S5 M8 a5 u9 \. E+ F
...1 p" T9 J. W% W4 x$ F% R% H
else
. S; D b2 F; i& } <statement sequence3>;
w8 U9 G o) N$ a' i9 Rend;
, {% U1 ^, d7 \3 f: X" Q2 a1 h6 G- q
2循环语句- a* i# |3 q" P, ^1 v
(1) from <statement sequence1>" C- X- D8 d1 P: U
until <condition> loop/ {# j/ z8 D+ z2 S2 N& R
<statement sequence2>;' x( k% a% e- F6 O }6 z9 x
end;* E) G( Q0 p& [+ s# }: {" Q1 v5 g
(2) while <condition> loop/ P0 O& W1 c6 x) Q" Y
<statement sequence1>;5 j8 G: G) T+ G& S
end;
, e% X' O, |1 @- D% ~8 r9 \ (3) repeat
8 B, Z" K( M6 j3 ^ <statement sequence1>;) B9 ]+ d- S) W9 G& h
until <condition>;
' o) D9 h5 [1 I! r) H+ T( m- S/ ] (4) for <condition> to <condition> loop
: F' ?6 d2 D: ]& S <statement sequence1>;
+ {# w4 T, U: H next;( @, d( D; u, y- L" g
3中断语句
2 R8 \ t* @ f2 U' W7 Q1 l waituntil <condition> prio <integer expression>;6 {" ?" u& {, U+ S; J F( Y
" G, _! v# d% M! _) p: V) O- f9 ^0 D) l6 E$ u/ r- T
以上为常用的函数！
6 I) o& b" k( ?; _还有很多，如有需要我把资料发到你邮箱里 ; _& X6 i$ t1 ^% q3 C% e8 N
: z! U, j+ v G5 H1 @3 X$ I: F4 S
( u$ Y/ j' x$ F& S! {; l$ P5 e
; M7 z* A, ]' t8 ^9 s4 l& [" u
1 H9 l* [4 k Y3 v% x" K5 \3 f4 t6 Q1 X) @$ R0 x
9 c. @+ o3 f- O }! ~* X
( D1 q9 k: p9 A$ A% W% c
" K& r/ z' k4 L7 j- R5 {
9 X, @2 M# U' h2 k+ f2 P2 B
# m: \% V, K$ i" V. h G |
|
[复制链接]
