|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 `+ |3 L& X. ?' f, _5 s9 v( _ if <condition> then& I' j- \0 `- F0 J
<statement sequence1>;
1 R! t) Q7 u8 j/ R0 ~8 Q* Q elseif <condition> then* w" f$ e) G" |
<statement sequence2>;
7 \) V! ^1 V! @7 [+ z else
: O( c( x, o. q" V <statement sequence3>;
1 m2 b! e) M9 V; y) Q' C end;6 e7 o5 ` ~4 E% l
如果分支比较多，用：
. {& O$ o' v0 C# {9 x% h0 N inspect <expression>
4 Q2 W0 _ b7 M when <constant_list> then
4 K$ `$ B+ R3 w* e. b9 g <statement sequence1>;+ V* w! Z, Q7 |- E! u. E2 R$ F) D3 R
when <constant_list> then
3 d9 U8 E2 E. `+ Q1 w <statement sequence2>;8 A2 m# ~2 L) D% c4 P9 }8 U( @. r( R
...
% m/ @5 R5 h6 w, ^8 i else
: K4 A4 B$ K$ H <statement sequence3>;9 x, J9 Q0 o' e- j2 t$ f
end;
y9 z5 W P/ ^+ Z1 a" U- e8 c) ]' p' @0 S) p5 U+ M
2循环语句; ]9 n L+ C0 l$ V/ z) S
(1) from <statement sequence1>" u8 d5 ^2 f3 a' P1 i
until <condition> loop
# T! U& w, O5 T* h1 A <statement sequence2>;( W1 W5 f+ H, ^5 D" r7 S- d* L
end;
7 ?0 }, ]( ~ V. Q (2) while <condition> loop3 N$ V8 F, A0 h# O1 H. Y
<statement sequence1>;/ W+ k: U7 x( v% F
end;) J; a7 P3 n' g2 Q8 `
(3) repeat L* }0 |, p* K: [9 i7 Q+ j
<statement sequence1>;4 V4 E9 F/ F' M2 X) F( A
until <condition>;1 S6 G- D2 M! C
(4) for <condition> to <condition> loop5 c1 ~: Q' o$ L6 T- i. f
<statement sequence1>;
1 W/ b# r0 P4 J7 q7 s6 C next;. D7 {# |* T$ ^7 }' k
3中断语句
& ]2 q& @0 v0 a: y1 H waituntil <condition> prio <integer expression>;
: O" x- |; H Y* v
7 J* l& y; E. P; G
3 \+ |4 E( _; M+ F以上为常用的函数！/ m) a4 H6 m& Q8 Y" A- X8 S
还有很多，如有需要我把资料发到你邮箱里
& U$ c8 ?/ I: L& Q, q; E8 |! K5 a! z
; r3 B0 @* E+ Y3 m5 D3 Z5 _6 N9 G
6 ^) |+ [) Q: p- S- Z
8 a! {8 B8 F# Q, l6 x' i: _4 \5 y& l
4 n o0 x, v/ o; p8 {# w7 @5 n' y+ ~+ d' F3 z' \; i! P
& Q; l* x0 j" W1 @9 Q
( [+ R* y8 ]+ b! a! R( d. ~9 k * G6 f+ A- v+ {/ [% h: n
|
|
[复制链接]
