|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
& L0 Y, x- p1 s2 K( _# j if <condition> then! {/ w9 Y8 Y5 v; r
<statement sequence1>;# r' ?' x9 \. p, Q* B& t7 S
elseif <condition> then5 O* K! u. o+ Q; g% t! u
<statement sequence2>;) N: j' ]* W$ i" @
else ; `6 q4 J! j; h" ^% b5 m5 M
<statement sequence3>;
8 L; S" o1 F0 i+ ` end;% Y. ^2 l. g6 I1 D: n; r( b
如果分支比较多，用：
* d, i9 p! n2 W* Q9 F, o* V inspect <expression>1 N( _, W ?" D' ^2 {& P1 g
when <constant_list> then
5 V' |9 f7 y& X4 q <statement sequence1>;; ^2 P2 F# d5 Q7 m ^$ m% W
when <constant_list> then, ^, K \/ p9 K% o& U9 u& G
<statement sequence2>;
2 x& L- P8 s( T ...* N6 S* X! z4 p& S6 Y G3 D
else
% \) d6 |! ^6 ` <statement sequence3>;4 r; ?- T0 f& Q- z
end;' G- T: m2 J* Y* u1 X2 S$ `
6 @% f1 h, D- k) p7 s) D2循环语句
1 z' q6 d- `( u* g( c3 l (1) from <statement sequence1>. G- e8 U/ }$ m
until <condition> loop; O1 Q' x# \2 b/ s
<statement sequence2>;
3 p) Y4 p+ }1 o& {3 y end;% f( N- h" G7 t8 K3 j
(2) while <condition> loop/ x" Y- q g) |# f* u$ n# A
<statement sequence1>;
; } P6 k$ R8 \. c7 h6 k2 a2 @3 p end;% S/ e- d" t3 K7 ~* n
(3) repeat 6 S! Z+ [: |% a& T- @
<statement sequence1>;" F t& h) @" K" y% P, \5 p! g% T4 \ q
until <condition>;9 P1 n, U. E- @8 F/ {2 S. q# I- r
(4) for <condition> to <condition> loop" ?1 H. _/ B( ]0 d! X5 C+ U( ~
<statement sequence1>;0 o6 N3 t. b1 X @
next;
$ w" w& t* w! ?, ^3中断语句* X9 w5 c: N4 N3 H/ e
waituntil <condition> prio <integer expression>;
/ U/ k# y% f' u; Z. d2 h- x! O
" n" ~# q- T1 W! Z' L5 ^. E: n# X+ t# g" ~+ f! [5 E' r) u
以上为常用的函数！
0 W1 r+ G0 S7 w4 Y6 {还有很多，如有需要我把资料发到你邮箱里
, x1 e7 u6 ^' W! j& } \8 H& W
9 R6 n- v! q9 U$ r3 S
. _; d% j r3 \4 |1 [6 z3 q# q) [* r# n& V5 g
$ t- C" ?3 R( D5 ?
9 m: p3 A% i" |! T3 b% n3 L6 b
3 b h9 N7 h) }' @$ {# A$ k. U) I- @& {6 H+ l* [5 z! |/ t6 {6 `
) j) Z M% X$ b3 n7 b& |6 d
; }* B- a# N4 { q' ^' P$ D
& V* q0 Q, y A8 @& q |
|
[复制链接]
