|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句- ]7 }* ]+ |5 ~. r; P" d
if <condition> then: G% i( y- B/ I' d# k2 M* `
<statement sequence1>;4 |! G$ x8 Y/ Y7 @# s+ T3 t9 w1 U7 O
elseif <condition> then
% h% x4 G8 `, B8 G <statement sequence2>;
7 h! d! \) \0 l( C' D else 2 _" W7 g4 g6 }
<statement sequence3>;& n4 f9 J2 b$ _7 v; f
end;( e; m; c% y! B+ G
如果分支比较多，用：
1 p2 R" E8 B- P inspect <expression>
v4 P5 p$ c. T8 m3 ~ when <constant_list> then
' O9 f, }/ B8 Y <statement sequence1>;
6 I' G4 |0 n+ G' ~) c when <constant_list> then
V# y, S8 f, A E, g R" P2 U1 z <statement sequence2>;
4 Z( K3 @8 h( { ...
* }) G/ y2 \+ v else
" B4 g) \4 l9 q* O$ C4 Q <statement sequence3>;+ f" L( D3 W. U% V/ G6 a
end;0 n8 [2 F: ?+ P7 h
+ n2 M( |+ g! f( r
2循环语句
# u7 S5 g3 `" H; p# } (1) from <statement sequence1>
: A2 `* K0 I' \+ m until <condition> loop
; y: D3 \; T! a& v9 y <statement sequence2>;2 l3 Q7 f* g# @( q% i. k5 J" u# Q0 R
end;9 v6 b0 ^' `, x8 A% G9 F# I5 x
(2) while <condition> loop5 {! c1 I3 N' D1 w2 z/ R
<statement sequence1>;1 Y0 e8 h m" c" k4 N& ]. [( a
end;! o, Z# O' v* ]+ S/ \! |# M
(3) repeat n' Q3 g1 H; F9 R: f! n# x
<statement sequence1>;1 e) G# h1 N3 [& o( A1 S8 C
until <condition>;- u$ h% s0 d) F9 O) t% P
(4) for <condition> to <condition> loop
$ U/ j6 F1 t2 z* Q( [# M- a <statement sequence1>;% h+ }3 X2 W! L' [0 c
next;
! e5 z$ D- N2 F9 j$ {, D3中断语句
7 H) q" q5 F3 ^ waituntil <condition> prio <integer expression>;2 ?( W2 F" o0 a% J, |' m; v8 D
. N6 C7 `+ F$ k+ b2 g0 ]
/ z7 p) z6 P0 o. v, V s以上为常用的函数！6 v/ A7 S7 |' t" z" p
还有很多，如有需要我把资料发到你邮箱里
. Y: j4 D& p# q5 M( l: ^
# {' G8 E, e* j2 ?: l
1 z4 i) |& y1 K9 c! B; t( t
5 G# h2 m& _4 z" T, f1 U: P& f; W " {: T" X0 Q9 o+ q e# A
6 D! V# z9 c7 x, H# ?) B. ?
3 N# E* r$ D( |# A- ]1 t# ?3 X* D9 T3 Y2 y9 e
9 I! r5 f5 Q1 J! Q9 V. E3 @* ~4 W6 x0 o) s$ U$ h1 {
2 H" h: t" b B( `% D- b
|
|
[复制链接]
