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发表于 2012-11-13 08:48:12
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1判断语句) C/ g- V1 N2 f$ _# i" F3 p( K
if <condition> then
6 c4 r$ _& F. w* a; U2 X$ X <statement sequence1>;
. M6 T; B; Q" u1 Y( s; U- J6 q elseif <condition> then
% N1 A5 k R' @$ z; ^' V1 B <statement sequence2>;
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<statement sequence3>;( a* ?6 _4 s( j2 t. \
end;
: e8 R; o' l) _6 Z; s( k如果分支比较多，用：
, k+ Q C& m) i5 Z inspect <expression>; F8 X C$ E& X+ z3 L- U% |0 G
when <constant_list> then
/ t( j+ s1 @& F; ~ [/ _ <statement sequence1>;
/ I, Q% M; f. ~" T+ z) W! F when <constant_list> then
% @1 r4 E: T! r2 ]9 U <statement sequence2>;
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else
7 ]! g5 y! h/ C <statement sequence3>;
7 e$ B7 Z$ Q4 ]9 J3 Nend;
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* {6 S9 i* D" i! [0 j2循环语句
8 @0 r2 Y! Z8 ?' j (1) from <statement sequence1>1 y& k0 R5 ]5 S% F* d% q" K
until <condition> loop
2 P- F% n# ]! D. G7 e <statement sequence2>;
! G5 K3 T2 |- M P% J U2 N end;& n1 s$ b# o& T6 M3 h" f. ]
(2) while <condition> loop# M5 ~. D) J1 Z5 l/ B
<statement sequence1>;
' N! T; u+ T' J2 l' v7 L end;
' m- j5 b A' C) H2 p! _ (3) repeat
- H9 j' K' a* M5 o. C% p/ w <statement sequence1>;! r" c' g( _5 W0 o ~
until <condition>;2 b, k- I7 @# q; ~. ` Q/ s$ C
(4) for <condition> to <condition> loop2 L4 {( A8 `3 ^: i9 b
<statement sequence1>;; ^ S* R" ^/ ^1 w% O1 L
next;
0 z9 P% _. [. G; f" y( \* R3中断语句
6 @* V) m& |! \8 x4 _ waituntil <condition> prio <integer expression>;, b9 t- B! f+ q h# i* O2 e! V
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以上为常用的函数！
" w a( U- W) \* u c1 N还有很多，如有需要我把资料发到你邮箱里 + o w* ?9 |1 t- J- I
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