|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- T0 M; Y2 ~( A9 m+ E if <condition> then4 h6 {( b$ f% E' y
<statement sequence1>;% k) @- G6 S" J2 Y
elseif <condition> then
+ V# d6 S; X _7 T% ?5 n <statement sequence2>;9 ^" A5 p) t7 d' L
else
. t& `0 V7 o ]6 _; E6 v8 z/ x <statement sequence3>;
9 E! A! P' N6 o# F8 g/ g end;/ X8 i, h& c' [- |# j" l. y) F
如果分支比较多，用：
3 a9 q: ~, Z' R3 X* N; r inspect <expression>8 s5 z8 K$ A! p, P
when <constant_list> then+ E/ M* w5 V, a; g/ c
<statement sequence1>;
' S9 s$ {/ G. k$ ]7 Y( I7 E when <constant_list> then4 Z! t+ |9 ?) ?0 ~: [+ @
<statement sequence2>;
& v1 \$ ]: V& d. T. F ...
' L- [1 j( A, H4 T; J$ S* x# M else
: k: R& y$ Y" E* G8 X. M* i# H <statement sequence3>;, a3 s% P E: |7 o* c# ~; a
end;/ i% V6 e8 y- p: A
- f. V A- d8 w1 I1 M' f& z, o
2循环语句
k4 S1 D6 ?9 o! V (1) from <statement sequence1>
' \ \! M! g4 s9 F; T) d; p until <condition> loop; B. U {7 n3 X/ K2 Q; i
<statement sequence2>;+ n$ Z- M& F# y2 c d% ?
end;
1 S- c! M* F8 [0 O6 G- y8 G5 Y/ y (2) while <condition> loop* S$ N& Q0 I8 M7 M
<statement sequence1>;
+ k4 {+ f; s. b# X* S9 [ end;- c" s" s M6 o, a; F D; o5 m+ y' E
(3) repeat
: e% S* ~- `* e9 {2 s8 d <statement sequence1>;
) W3 N; n: R3 T until <condition>;: u. Y [) V- ~; r8 h1 N
(4) for <condition> to <condition> loop& o. N8 G0 B5 L' B
<statement sequence1>;
( J( k3 v8 j& T* ~ \4 K next;
1 I, F, W/ k2 u/ A3中断语句
9 e! l* o' u( _ X3 K; S6 T waituntil <condition> prio <integer expression>;! ]5 k" d$ w5 S2 E, `% Z$ q
. S" f: F0 f3 x, f- W7 G
$ \$ E9 E9 o7 r* U. m0 ^ z) x6 {以上为常用的函数！0 |; S7 m! n: V/ j- q' ^
还有很多，如有需要我把资料发到你邮箱里 |' U5 |( t( Z. W @
4 k0 X" I# ?. n% i6 p4 I1 \. t1 G4 Y5 Z) h! A# u; Z
1 G0 ~8 _( L4 m. N$ t& A
$ \# T4 h( n" V' Y: E" t# r; C
- p3 h' p% S [) p+ q D. I
o$ |1 c9 i3 u+ P+ |* }$ N6 v* n0 ?" \" _1 ]$ L
% H# {, a L4 A
1 D3 O9 `( T' p7 W) w! D1 p( f
- O. W8 j! q- D* `6 @$ f |
|
[复制链接]
