|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
( f! Z( S) ^/ j# x1 ?( h) p if <condition> then2 x2 @6 w+ p1 V K3 C2 z7 _
<statement sequence1>;! f* D! y3 _/ b" c
elseif <condition> then4 F+ [1 Z0 d- h! L2 C
<statement sequence2>;8 f, B4 A: |: m" t, |
else $ P$ F6 u3 n2 v- x& g3 m* r
<statement sequence3>;- p$ t1 K- g8 W) u7 k: N
end;7 g& L. R+ X" C8 _* j+ P
如果分支比较多，用：& H& B( m4 o K* V* P! |: c* b$ }
inspect <expression>
4 O# |; U5 W' L: I- o when <constant_list> then+ M: b! E+ [) K, M
<statement sequence1>;
* H0 V# f& ]4 n1 F when <constant_list> then
- ?. O4 @8 u4 K" m <statement sequence2>;
, b7 h! D2 }5 x6 l7 H ...
5 B' s$ m3 E2 Y6 x else4 R+ D. _: U/ F) w8 O- j
<statement sequence3>;
) H7 {; p/ D& [% Z' Yend;
9 |6 q y2 L+ ^: a8 T+ a A
: I! E& w" u$ g0 Q7 A( U2循环语句$ \8 e! V1 B) ?+ V
(1) from <statement sequence1>6 m: d6 ?- y ?% a; Q% R; X
until <condition> loop0 u$ w5 ~8 r) T9 E5 E1 c
<statement sequence2>;
1 P7 I5 r* Z2 P$ K/ J( D5 Y end;* T9 `0 t, i5 _9 b2 u( J
(2) while <condition> loop
+ H8 u& Y5 Y$ ]7 g <statement sequence1>;8 {% u1 q; T+ ?& B3 @5 }
end;7 q# b! X7 S V3 d7 i I3 i' i
(3) repeat
% R8 x& a2 I' U3 t! B <statement sequence1>;
7 n$ h9 t1 j3 C. e! P until <condition>;" o$ ~3 n4 B0 g6 G2 S+ c" t
(4) for <condition> to <condition> loop
5 U/ l& C* ]' @& m% i9 X3 `, ~ <statement sequence1>;: T; X, `0 \4 ~0 Z
next;9 H# W; `0 g! f5 J
3中断语句
0 V- ~9 _" Q v" a# \ waituntil <condition> prio <integer expression>;
% U0 c* u. }' k% o0 O
. b2 F. n5 H: g& `9 ?( z6 [: [' l5 \4 c% d; p
以上为常用的函数！
( F7 P" `+ R9 g/ _还有很多，如有需要我把资料发到你邮箱里 : S3 m' `- O5 n/ E; x: z* v
+ P% ~& t& T8 L$ H% W+ U
: b$ D4 Y& |8 w" X8 X! U
$ T8 l: Y: E+ W8 [
1 \) J l$ D9 `% C
! C' s; M- n' |7 H) I
. D4 E- O ~. L9 M+ {6 @7 L' C- T7 U1 w1 I8 }- b* k! i
- @# z3 W- Q! M4 d7 v& v
. r& K. S2 i- R* K2 D7 i( t# [ + a) I' w9 v8 r+ P7 ?
|
|
[复制链接]
