|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 j- S) ?% D0 b. ^$ _4 [ if <condition> then0 ?& ~+ N0 E' U& k; O% V
<statement sequence1>;
& A, Y O: g! S/ A6 Y elseif <condition> then
9 y c( A! v( X <statement sequence2>;
* x+ e! U) x2 W* H* | else 3 y3 g& w5 J: P# K3 r+ I3 i V
<statement sequence3>;
6 q5 i' r5 ^+ G* o end;
0 s! B, `) }3 W; o如果分支比较多，用：4 e, _- l& N, T; i
inspect <expression>3 E$ d5 I/ u3 j n
when <constant_list> then, b$ B, h/ B X. j: m) ?: _) ]- J
<statement sequence1>;4 z" Y* F% ^7 s. k
when <constant_list> then- g7 V, i) s1 D2 f8 X6 c" }
<statement sequence2>;: w$ y, H. _8 h9 c x6 O
...+ P3 i$ O- P. m6 ?3 F
else
" ~; n/ a2 c2 T( ^2 Q4 _ <statement sequence3>;
/ N$ n6 m8 z( D3 |2 ]. N" b0 Hend;9 L9 Z* @$ @5 {+ @+ M; h1 M
! x- r/ P5 t) j- q0 }& o; L3 D
2循环语句
7 c% Z+ }4 U; E% {2 h( d3 h (1) from <statement sequence1>
: s( p$ m3 v3 M' W! v6 Q z+ }7 Z until <condition> loop5 S( |: X4 }) I8 ]5 Q: q+ O( S3 @
<statement sequence2>;
$ |1 m8 z, D4 X2 S: I! E end;1 _8 J$ P1 N. g% q/ T: H; |
(2) while <condition> loop
% c+ ] U) L; c# T0 g1 Y3 @. v <statement sequence1>;! F* l: }% Q5 m @. ~3 p
end;7 ?+ l% J3 [' V- V0 D
(3) repeat
. ^7 g7 i. A3 X" G. i# k1 d <statement sequence1>;
( Q5 X4 ]/ K' f7 H/ W4 y8 r until <condition>;% g( F' b9 @6 } j6 ?1 P# x
(4) for <condition> to <condition> loop0 k4 W0 z9 [* V' A8 d
<statement sequence1>; T1 x" b) [ |6 u
next;
7 E; y5 s# n. T3中断语句) v. v4 G {% E( O
waituntil <condition> prio <integer expression>;. F& s6 Z: }* [: H9 x
& i0 P# u/ y) K a
+ e3 r8 Y" U# K% K. d% i以上为常用的函数！
' i8 z$ B% l! {- Q% l; V还有很多，如有需要我把资料发到你邮箱里
( u* W+ C. ~' {" P# W
6 B2 H4 I9 O- Q1 m7 `: A/ R9 P+ b6 A, Y7 r( ~4 U
2 y! r( n2 @* ?" L
" t0 C. j6 Q6 G5 ?8 ?
% ~8 }' N$ Q6 K
& S# K K+ ~0 C9 L+ {" [! z+ F: g% f6 T/ Y1 h
) d* a- t. _4 j5 Z$ h0 I& S7 I, f6 M& R) }
! W, K/ X, _+ \" i) n9 z
|
|
[复制链接]
