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发表于 2012-11-13 08:48:12
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1判断语句
/ R; m( g4 [6 W r9 q% S! X* G if <condition> then
- d3 L! s4 [6 ~) m: Q- t6 h, C: { <statement sequence1>;
, d: p4 G( X3 a- ~8 i elseif <condition> then
+ r( Q3 n. t( N: y! {/ R$ } <statement sequence2>;7 C: I1 |2 O! I6 {) k$ ]
else
: ]/ ~2 n, v+ D, b <statement sequence3>;7 V1 l+ {6 a0 S9 Z% m0 ^4 q; z
end;/ L% b& u! U6 M, c
如果分支比较多，用：6 W; U7 C N+ v! _& _3 @: e' e% b/ J
inspect <expression>4 L# k# M ?, E" N, [+ C
when <constant_list> then
8 u* n E' e. c( y <statement sequence1>;/ T k! \4 E* b
when <constant_list> then
) I: V$ l6 q) A! [, J1 P <statement sequence2>;
. G( |8 r6 q, B- w: u/ Z .... i8 z$ z/ b( U% W6 o5 v3 G2 L
else
# m, W7 z9 V8 r) M, e* M3 [ <statement sequence3>;
2 q6 z" Y4 Y4 @# p5 M- J8 e- kend;# F: B$ ^5 x/ ^4 c
2 Z- `9 U( g: d1 o, g+ {2循环语句3 b0 y1 R! k7 R, Y; H8 T: O6 x7 x
(1) from <statement sequence1>
& Y) q P! ~- k4 a J until <condition> loop
3 e1 u/ k+ W3 D( d2 o% h <statement sequence2>;3 _7 S% f- @0 n4 K
end;
% Z- H D4 e( ?. v; y0 R+ J+ O (2) while <condition> loop- a& Y, o% @+ @; s% b% g t$ A
<statement sequence1>;
- j( @% B+ i4 \5 L& r5 }8 v# [' ^8 c end;
) p9 T( a4 q$ ?5 g( ^ (3) repeat
3 j: p/ K7 P6 x5 q# | <statement sequence1>;- [6 b" A! p" y
until <condition>;* ~7 Q: ~9 C, l+ i% u6 c( m. u9 u
(4) for <condition> to <condition> loop$ b3 t2 ~# S8 U8 i0 Z5 P
<statement sequence1>;( f- F& U9 ~4 u9 j% e8 c9 v
next;
: ^7 A% B" p- m" ]3中断语句
( C- Z b4 Z! e, b, a) \ waituntil <condition> prio <integer expression>;
" D: S9 o4 X' j. v/ U K' q
9 d2 r. w! j6 S; b# [: r* e8 U$ F
7 c# A* T2 Z0 _# K以上为常用的函数！
' `0 [% }# h5 Y# i7 B7 r2 U还有很多，如有需要我把资料发到你邮箱里 8 s5 S# d$ ]/ p, M: C2 v$ [( T
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+ J; H8 C: t! t5 H# ?8 } C! p% B7 [2 F/ v$ W( X0 k3 t$ P
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