|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句 J* R/ ]& m0 @) K/ q
if <condition> then
( ^) d: @4 O4 S3 O* x$ I <statement sequence1>;& @% c5 [5 [" V9 X" f
elseif <condition> then5 Y+ D6 C/ ]2 o$ l: p; V
<statement sequence2>;
5 L' }8 \1 }* e8 m# l# x. A else
3 p' K, s$ Z' A7 q2 r7 @0 e5 s <statement sequence3>;% k& P1 A5 t5 T# x2 n3 E
end;
% M. @, e5 G4 ~2 g* Q如果分支比较多，用：
, t/ j9 R% t: R/ Q0 w2 `: g6 l inspect <expression>$ _# N- K* E2 H! X0 P& R
when <constant_list> then6 `+ g0 P# D9 T1 k
<statement sequence1>;9 G' I2 h6 G' K5 u& H4 n& z
when <constant_list> then
' m) x/ C8 o5 \* R/ Q <statement sequence2>;
# j$ b: h& Y; Q ...
* x. f. _0 m) c. S! k else' M1 [' E8 }3 v* o# {0 }) a
<statement sequence3>;! m# M1 d, j$ J+ P& i4 t+ |
end;
4 ~9 ?- s q+ Q) l8 w( D- s0 g/ R; [8 a- x7 C" K
2循环语句7 W; v* j2 o% |: P) |
(1) from <statement sequence1>5 }1 `# o7 B2 e# |& s6 e
until <condition> loop
- ~& y& x7 f1 A1 J7 J d <statement sequence2>;) ]5 b1 v2 I' g' b5 G: y8 P0 l
end;0 J z2 y- F; H& R( ^- m% V
(2) while <condition> loop
) y3 l3 b$ H" | <statement sequence1>;
& p( l8 R; O& r! C; X; B9 t end;
q4 n9 A3 D5 S7 `5 z (3) repeat ) M5 u* k# P+ T& U+ u
<statement sequence1>;/ e3 b5 ] |& a# T& q2 q
until <condition>;3 N8 y/ p6 n' c9 U) N0 X
(4) for <condition> to <condition> loop
6 t/ h* _" @7 }; v0 n r <statement sequence1>;& [4 I$ L! _8 l8 B3 y( r% a
next;2 a- [6 V) _, L! L7 v5 r
3中断语句5 O% O& x+ d( B- _" \1 ?; h
waituntil <condition> prio <integer expression>;
- `) B% T- Q0 Z; c9 B
; _2 E7 g1 T& A2 P7 Z" V; J$ v8 m& H; q, Y0 f8 R4 T8 E; A! L
以上为常用的函数！: N" V4 D8 l: v% O
还有很多，如有需要我把资料发到你邮箱里 5 _7 R; l" p* Z$ a j A1 _/ J$ L
! B( Y# _0 N# R% F
( Q) v" i2 a5 a& n; U' w/ |
: F- t' v# l2 W - D& ~5 m4 z l* E W* _
, O M/ y: S. a2 ?
* W/ e+ M, u/ @( [9 @9 ]$ z1 M+ O' q
& Q2 e6 G, r" N2 l
- D& [! P" B _9 _6 o- S! s0 L& H; e3 Z- _
( `$ o) R+ |! g% _' g2 ? |
|
[复制链接]
