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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
& K' l5 {, E6 E6 c- w if <condition> then9 H* K" `1 f E+ L8 Q4 S: o5 P9 G. B
<statement sequence1>;% _5 W- N. v3 A+ [* B, x. m
elseif <condition> then
- y2 g5 n/ Y( J2 U! E$ D7 ^ <statement sequence2>;
6 Y. {& z1 ~2 c _) o! g: w else
" I$ o3 X& x' |5 E0 @ <statement sequence3>;, n( g8 x+ V* I& C) a
end;: I) n; }$ U/ y* j) @( R1 ?( D
如果分支比较多，用：9 G, C: E/ s D. q N) M1 c2 ]
inspect <expression># _( ~' W; R5 T& [
when <constant_list> then
9 J* o3 o8 | @8 N6 X" l) I$ U <statement sequence1>;" k5 v+ B a: k% G5 l! @/ X
when <constant_list> then0 d9 r! ~- J3 ?
<statement sequence2>;" G! ?* l+ k* W( ?
...6 j9 b+ I8 \5 L! Q
else
' E. W4 o. b9 w+ m8 E <statement sequence3>;, T4 G+ t+ Q0 Q4 f
end;
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7 i, u$ Z% _/ X4 o) |) g& G2循环语句
( w) D/ @1 S, T& O (1) from <statement sequence1>
, k) Y1 N+ D# f, _* l# Y: a4 w until <condition> loop
% E) ?8 {" F( a" L1 W <statement sequence2>;
% m. I. P0 [ X P) J0 c end;! g( Z) V$ r/ R6 h0 c4 V
(2) while <condition> loop y. x5 E/ P7 ?- C/ T( b7 i0 t o
<statement sequence1>;
$ G% D8 a) `9 p1 X" |3 O2 v end;
- h C z `" \" u (3) repeat
+ V8 U7 n9 f# L2 I, C1 D F <statement sequence1>;
6 M) n' P. U* ~; d, i2 { until <condition>;. x0 u$ T" }: {) X
(4) for <condition> to <condition> loop% O1 A4 E! E% n4 O& z# a! n
<statement sequence1>;% G5 M6 ^/ a9 u9 [3 ^
next;8 w+ B7 s" T$ C2 d* y \
3中断语句
7 k0 c, T) [: u waituntil <condition> prio <integer expression>;% p4 R7 @( p* Z7 g6 K+ r
7 K9 m- }3 h [& c3 T+ _, f
; l+ N4 H$ H+ G7 K% N以上为常用的函数！
+ D1 E) T5 D: H( _9 T还有很多，如有需要我把资料发到你邮箱里 ; x+ ^. u, |' J3 [0 C
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