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发表于 2012-11-13 08:48:12
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1判断语句4 `* ?( j' D2 p' U7 q* g
if <condition> then2 Y6 |1 ?! T; U
<statement sequence1>;( y1 [ Z' h( [1 n! \
elseif <condition> then
$ e2 E9 \; u1 `. X o# W+ r) U( r <statement sequence2>;. d5 h, x. @% i! u/ E. B
else
# l1 _( k+ o' B <statement sequence3>;
! D+ @4 W) ]: z' y& M4 d0 m% j end;
) D$ G. `" n5 | R如果分支比较多，用：+ M* t; [) z2 c
inspect <expression>
8 J n) b' f( ~3 D when <constant_list> then
! q1 o i' @$ j# A <statement sequence1>;
+ Y }. }8 N& o. q7 ^+ O when <constant_list> then
/ s( {- L8 W! e: d& C <statement sequence2>;: k8 y W u ]8 ?, Y' h" e% R
...
4 G8 L! ?$ t9 k& Y% ~; a/ J+ e else
7 X7 p' E. S9 n3 j" T% d4 u <statement sequence3>;
& z) L/ m6 G( f, o% H" o: ]$ yend;
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, x! D) \* I* V/ R/ q% O) K# I2循环语句, N" y& P$ I% M: c% D
(1) from <statement sequence1>
2 _. H/ }4 }! [; @ until <condition> loop, h1 E( K5 E# z& K
<statement sequence2>;
* M! k2 X, h2 R. S end;
. V( p; ^8 r" z" q2 o! R (2) while <condition> loop
' T, ?5 b, ]2 a2 e <statement sequence1>;4 j C6 s+ m2 y0 X5 c. d
end;
3 v* P. \' W4 g; A (3) repeat W: X' n ?8 m; ~( A: P
<statement sequence1>;
7 C# f( h. z' t until <condition>;
/ B: p+ p8 n' F! X (4) for <condition> to <condition> loop; F6 g4 l# |; u6 q4 g3 N
<statement sequence1>;$ c3 Z! x' @4 w4 p
next;: T. R `' ?7 ?- t* o
3中断语句
8 W2 c6 M- D; l+ L/ {/ u& c5 Q4 { waituntil <condition> prio <integer expression>;
/ B1 @6 t6 M. a& A; h( Y. \
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以上为常用的函数！& H8 P2 e' L8 x
还有很多，如有需要我把资料发到你邮箱里
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