|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 B3 d. E/ x {* C) s$ g/ _+ P if <condition> then
# R; E) `) I7 ~# k* \ <statement sequence1>;
- c0 u- }* g' s elseif <condition> then7 @) l7 [4 L5 q3 m& Z- O9 g( J
<statement sequence2>;
% ?% B8 P5 ~- w7 a else
2 z8 W7 u+ R8 n5 a" Q2 ` <statement sequence3>;
, `5 r4 C+ M6 S- Q' n( M1 j end;
) W% T/ `% I/ i! X# q/ N8 w# v如果分支比较多，用：: e* o$ H& a7 |9 E
inspect <expression>
; C `- a3 g1 S- y k$ _ when <constant_list> then
4 W9 \0 V: K4 n4 b; X <statement sequence1>;
7 x2 Y2 ?0 k4 T2 [, `- z5 ?- l when <constant_list> then9 D& E" U2 Q& p; [3 ~' c. `6 I
<statement sequence2>;
$ U0 {& E: @, }. s6 f/ S ...
0 \8 x7 F4 B8 U+ s; q6 I. B else" H! w4 z6 l2 A6 z2 N8 H0 M1 P2 K
<statement sequence3>;
9 B, A9 d1 P# W, n% uend;4 ]/ D. C2 V: q5 j
+ a% J) ^* i3 q) v: e
2循环语句 p; Y: w5 r, `7 A" k. M3 Q: ~' d0 e
(1) from <statement sequence1>
1 }6 z W; {, T7 C until <condition> loop; S+ G8 L' d$ T' ] Y
<statement sequence2>;& ~9 p' L; z! r) F9 _7 a
end;* C8 `9 U4 q. ]- H% V% l
(2) while <condition> loop
# M' X. g- C/ [# F7 O2 U <statement sequence1>;; Y$ \1 M2 s9 k& O) G$ e0 b
end;
$ J: T% x" t6 U (3) repeat
4 ?& } O: D% Q6 U( H <statement sequence1>;
2 y8 S' Q7 h" k: A1 G until <condition>;
0 |& Q7 D2 P; y (4) for <condition> to <condition> loop
$ D ]8 T1 J D7 } L% k <statement sequence1>;
& x0 U- q! N( u5 ^! ~ next;
. m2 e* W# _" T5 P3中断语句
/ F; w* j: E0 M/ k waituntil <condition> prio <integer expression>;
* N. H' G. U F6 x( B$ U8 Q( q. q+ [: D- D6 b
% t7 {8 u9 ?3 w3 u+ x4 n3 Z
以上为常用的函数！
5 S5 Y1 A0 H& ^1 g/ E8 {7 L还有很多，如有需要我把资料发到你邮箱里 7 m- F$ `& n$ L7 j6 n6 q
. l; Y" F* C$ N9 p; t. N5 P2 y; b, V0 j- l6 [' c3 X
4 n: n/ s+ _6 I/ A6 u z, r
1 O: D" A5 c/ m7 Z6 a1 c: T0 t" A9 L1 c, d# l
. q# g z4 k( _) v7 E/ t8 F6 r. M
3 O8 ?1 X( C5 S
$ ~. r9 l' A4 Z
. W6 c$ `* Z- U4 x2 Q& ~
( M8 ?7 R; S6 F- k
|
|
[复制链接]
