|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
8 N; ?0 w, m* k4 ^/ Q6 X5 \! { if <condition> then
: H9 I' ?: I0 p, ^5 |$ n4 t <statement sequence1>;
. d; H- q0 @( m" a" j- R elseif <condition> then
+ t' X& u! }; j0 p# ^. P+ Q <statement sequence2>;
1 y& `: D1 ^% L, b# a4 c: a& l else / l! p0 l1 Z; x" V( i
<statement sequence3>;8 ^4 v4 Z9 g9 Z' D; c& R A# ^
end;
' m# I' k1 @* e, M- V/ J+ }" ]如果分支比较多，用：
* E5 X+ O7 h1 ~9 z! \& l2 v3 e inspect <expression>
: f6 U* {8 q0 @4 }7 D when <constant_list> then
2 w: h' |1 r$ m D+ `" Q <statement sequence1>;
0 n6 h8 q4 F8 x' ^2 @/ K when <constant_list> then, {' ~7 R3 v5 q5 N6 f) J
<statement sequence2>;
. r( b( O! W) ^# P, @% d; t6 N+ f, S ...4 I7 M3 C. [" w* O2 a& R3 x
else# X) `( [ v" ?; x1 A: D
<statement sequence3>;0 R4 A2 m" R8 Q" |' \7 f
end;
& E- }3 o+ R7 _* Y2 q; e- k0 `% E# o0 n
2循环语句
( }% i" I5 I' J$ V0 Z (1) from <statement sequence1>( a# x; J& o. e: Y0 H
until <condition> loop+ \# e, S# k4 r4 R6 N T4 ]
<statement sequence2>;
+ d# s6 m" w, s# o end;
5 U; ?. R+ X3 F! h (2) while <condition> loop
4 i# T. d9 a' N8 ?( H& w <statement sequence1>;
1 D+ P& l5 h+ M v end;9 F' _8 Z) X, D# @8 ?3 X! \
(3) repeat % V- K) h. H1 x3 v7 |
<statement sequence1>;& h3 {- n8 c' W' D5 q8 t% d
until <condition>;! ]" q( C# E! H& J, X! \. \3 D
(4) for <condition> to <condition> loop( z# g: D5 v* I/ l: x0 y
<statement sequence1>;
1 @, |3 J7 F1 U. O9 l. a5 a next;
& ~ D a' D% O* ^7 U% M" R3中断语句! P' ^. d/ r5 O. ?
waituntil <condition> prio <integer expression>;
2 e& k0 Y1 g' j9 ]% q2 n" l0 g( ?) ?9 T% O& }) p/ d! u3 F
0 o$ S4 j. [7 g
以上为常用的函数！
/ \* f; x8 k: r, |$ `6 B" w# n还有很多，如有需要我把资料发到你邮箱里 5 o* A7 n6 M' r
' T# q" c! g7 _& o! J9 s$ j$ r' n
$ K! O4 _4 ~5 `
# K5 J" [" y* ^+ {+ m% b
" q: h! E$ |* }0 b1 E5 R+ ~, U- D. x- y% U( S
9 ~, y, U' o1 Z# n" L' p+ S7 }: ]
2 S: c9 U. U7 d7 l q# T) y5 S: U/ {$ Y
. v. C: ?0 U+ Q& b& }6 Y" {
# A& C% ?* s" b0 A
|
|
[复制链接]
