|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句 _ ?, H$ c- ^- D
if <condition> then& I- T3 G5 V: m% u& U& _
<statement sequence1>;
& n% K% a4 T7 B elseif <condition> then
4 x4 Q* { h4 I3 E <statement sequence2>;1 H! l& \- M& Z7 `
else
9 l6 G, r3 `7 g. E* n7 j1 t! k <statement sequence3>;
+ `) v1 Z9 B, ?3 M. L) H end;
5 A: u4 i! F" i+ t9 u; ^4 g' }如果分支比较多，用：( g6 h/ ]/ p+ H; {" O
inspect <expression>" j3 |* C/ e: w0 i1 y6 W; g5 l
when <constant_list> then
& l# m7 `9 F: V& r6 \ <statement sequence1>;
9 W( R o& A- t) G when <constant_list> then" |7 y1 T* A) u% p
<statement sequence2>;, L6 r5 P; O3 M
...
$ [9 v' J( h. I2 t: r" C% r% z else
& _9 l4 G2 U: B$ O1 `0 R; M2 N <statement sequence3>;% ^8 j9 E! D) W* S- k5 f
end;$ [" s+ w" W @2 ]
# Q$ ~8 c0 |; ^' W; O( }( O$ U2循环语句
) R3 {0 s1 b( w0 K2 g' n9 u+ _ (1) from <statement sequence1>
* _# J: I, @. ]$ d5 ` until <condition> loop
4 X2 [" Q8 X( L/ _9 p <statement sequence2>;
" Q5 F1 f" m- U- }0 {7 o end;
, [# Z! Y {. p1 a! N (2) while <condition> loop+ E% x% K o; j0 ~& D7 a7 f8 l
<statement sequence1>;
& s0 y% f8 o. d& ]4 A9 ? end;- w. ?# ]" o5 ]& A6 M# S
(3) repeat " U7 h5 n' d6 I9 m7 w
<statement sequence1>;1 P: {) c. {7 Q. O' Y }
until <condition>;0 e' ]$ Y3 Q d8 ]1 A& g; l. Q* J
(4) for <condition> to <condition> loop
1 V2 n& m& U8 T& [8 m1 R! L <statement sequence1>;
9 _5 }2 p6 b( Z( P) m$ C next;
8 i3 X5 O$ o) L2 C3中断语句3 f0 `7 |& z3 {" h' e8 n
waituntil <condition> prio <integer expression>;% a9 V" z- r& z6 n
2 g( q' E( O) h) _7 @
6 s) `* ~9 @9 ?1 u以上为常用的函数！! z" [- d2 m% g3 U7 u# z+ i+ f
还有很多，如有需要我把资料发到你邮箱里 7 N T, }" F' r" b
4 D3 ]" u; I! v
, ?: x( T- H& g( _$ w2 x9 C
; E! R$ C8 t2 C
' [; s, N5 K1 i6 Q1 G# [: m! D
3 ^' w" j9 i7 e4 j( S% K" p
7 O4 `$ u& ~5 s7 R. ~( w. k, H
+ i2 P+ H+ K5 ^5 Q, z0 L! P4 o( D# P i) V; y" V
6 A: \" c- U$ i$ s( W
* {6 x* \; y! p8 i- Z4 h8 a1 B U8 \8 @
|
|
[复制链接]
