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发表于 2012-11-13 08:48:12
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1判断语句) v6 H6 j4 L. q; i4 j! }% I
if <condition> then
3 `4 A J5 i8 C; V1 }8 R# D <statement sequence1>;. r' {, ]# C" f$ B" q! H9 V
elseif <condition> then
% d$ Q `+ }0 L8 }1 n; z7 o$ y <statement sequence2>;" O# J/ \7 [2 G) t6 N
else - j5 F& X' c6 |& l1 M
<statement sequence3>;- T; t& H/ e, x
end;' e0 [# c& M, R8 L1 s; G
如果分支比较多，用：
* m# A" L8 M" C inspect <expression>
6 u: i1 G( y6 |+ E: h+ Y, | when <constant_list> then
" u; f+ t3 {+ |: v8 t- k' [ <statement sequence1>;$ b& _ Z0 u$ f- m9 o1 h7 A6 T
when <constant_list> then
3 q6 V) H4 H- l) O0 D <statement sequence2>;
: q; ~& N1 M2 K: n ...
7 S2 u; Y8 H( m3 g else: y( D1 A# f. ^3 X3 _/ S
<statement sequence3>;
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2循环语句
, R6 n! I5 u8 q% }; J% _ (1) from <statement sequence1>
6 [ ?% i+ N6 V% ]4 X until <condition> loop; x0 L: ]" l. p0 x* C" R
<statement sequence2>;5 u3 m. e1 _& Z5 C Z
end;
9 u5 g: k' y& L: Y1 |4 g8 ~. z (2) while <condition> loop' U) S5 ~6 L7 z) m9 T1 Q7 u
<statement sequence1>;! j& L0 H, V+ v2 ~2 D6 m
end;1 j' s/ p( A9 p, Z5 L9 v
(3) repeat " L+ P& m3 U( U: r) D5 e
<statement sequence1>;
& n6 G2 Y6 F( e0 Y9 z until <condition>;0 W# Q7 U, V* |1 U
(4) for <condition> to <condition> loop
3 ^ f6 W, K& P4 ?+ o! @: c <statement sequence1>;
|# U; ^' b6 q5 R. a& r& I& n# ^) q next;
8 o! d# ^* c% }) p+ d3中断语句
' p2 J1 \" n- D1 Z$ S$ d waituntil <condition> prio <integer expression>;7 I! w( ]* O4 w b& v! _& N
5 u) ]) R6 b& T6 k1 Z
: i% h) H. F7 D* Q以上为常用的函数！ y+ }& O& G5 `
还有很多，如有需要我把资料发到你邮箱里
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