|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 Q# |$ {. H$ k/ L. ` if <condition> then& C1 @8 o0 p$ Y: q9 H
<statement sequence1>;+ e7 c! ]- }( v$ n+ u9 z# E
elseif <condition> then
; ~5 A7 E; D: h <statement sequence2>;0 b' C+ L) E% z X( M5 `
else
) V& g3 m4 U6 B* R <statement sequence3>;
* L+ `- K0 o! n1 }2 ?( s end;
6 Y- k6 X2 x; d- t如果分支比较多，用：6 |0 @0 f! N* H. i
inspect <expression>
6 G1 _9 n: X' ~# s) {7 U6 g3 Y when <constant_list> then
9 }- u- r4 W5 l <statement sequence1>;- H; N7 I1 p. U( P
when <constant_list> then
& k2 ?. V4 T, i* D <statement sequence2>;
! V! u5 \8 ]5 z# C7 x ..." n/ k s' g. p# E6 F( s
else
& `$ l; A9 C# c2 X <statement sequence3>;
4 N; X5 S$ g# n; r' Tend;# D7 {* S( [ {! J7 I; h4 k
: h$ _! \4 x: Y2 B! l8 q2循环语句
' a+ t, Y1 p' {2 p, { l' @ (1) from <statement sequence1>( Z2 ?( j* B- V* c( j' `
until <condition> loop8 {3 W, T) s" r
<statement sequence2>;; _+ F+ x5 e1 M3 _0 T, n# Z
end;; c' h! o; {/ a$ v" n/ N4 h2 P
(2) while <condition> loop7 Q o# N7 @9 L
<statement sequence1>;
# T1 a# V' L/ g9 m1 i7 Y end;
1 _8 N: Z8 A$ g/ u. C6 E+ ~3 s. [# v! e (3) repeat
6 x+ Q- M' _2 I <statement sequence1>;- b, M6 f2 r1 ?# l# H
until <condition>;3 r4 H- h: ?) {% x" g
(4) for <condition> to <condition> loop
" z5 P5 t) R- z) Q <statement sequence1>;: x2 R( d+ T$ I) D
next;
0 b) S9 N6 }- ?3中断语句9 Q6 L* X7 b2 B' e2 a
waituntil <condition> prio <integer expression>;
- U7 T1 z+ n. _ k# Z, i8 |7 C" V0 G: l! A
! R+ k& J/ Q9 [8 `4 k) l, D8 ~% } B
以上为常用的函数！, I! ^9 C0 q/ ?/ s3 R* `
还有很多，如有需要我把资料发到你邮箱里 7 [7 m1 S* v* m/ ?& B4 O
" y. w( Z& k! I) X+ B
+ L; ]0 K& m: F$ h7 x0 d' I9 C7 D5 X) X" n2 W5 C
$ D+ ^8 `: L7 l. b( n6 f
0 `* |7 @& @2 x# H1 b4 V
6 _6 _$ \8 l9 Y3 o$ Q% j5 A5 a5 }6 v9 u; Y8 P
1 l0 @ C; Z4 r1 q7 ]
) e' j2 t- S! F/ q
' b& E# d1 {5 @( S1 i |
|
[复制链接]
