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发表于 2012-11-13 08:48:12
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1判断语句
4 ]! ^6 ]. y& y0 ?/ B& v( r if <condition> then2 |- g% g; r6 d9 e5 V9 @
<statement sequence1>;
; x6 z% U$ _1 c8 F1 [8 f4 e& l elseif <condition> then2 a0 c0 g: u3 K
<statement sequence2>;
5 H8 v- Z( n5 h8 F8 W! m- h else
6 _9 g0 w7 D% k. l <statement sequence3>;
; Z. ]7 j3 t/ D2 d3 U end;8 g$ s* L5 Z. @2 u4 e' V6 V H+ w- G
如果分支比较多，用：
$ j4 c( j* H6 T k7 J$ F: i$ ^2 C inspect <expression>
8 r2 z& N6 e4 A, o2 {5 W y when <constant_list> then
' f6 d+ a( B) F! u5 k6 Q% H7 k <statement sequence1>;( J# E/ N' l1 y8 {# z: `
when <constant_list> then
5 |1 U( q' [- p3 ~6 s <statement sequence2>;
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else: s) k1 ^9 N7 r4 K
<statement sequence3>;
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8 r8 E4 Z3 H- [ k$ B2 N- y2循环语句
5 J) }; J. T( q) i (1) from <statement sequence1>
, J! @* \' Y! g e& Z until <condition> loop
4 F( M9 z, }+ h <statement sequence2>;0 ]$ n5 d) c7 E! Z
end;
: ^& }" v4 f' A5 V (2) while <condition> loop
o3 {3 m& |, `- f9 s2 D% u( K <statement sequence1>;
# F/ x. ]3 T; ~9 j6 X( v( c+ z end;
+ Y4 }/ J' Y' Q7 V3 f* | (3) repeat
8 n$ ~( m% I( i/ V <statement sequence1>;
8 u+ f3 J1 Q4 W5 x3 N. E until <condition>;! d9 Z3 J% {6 |2 L3 i
(4) for <condition> to <condition> loop
! }$ ] Y$ w- }0 d' a8 X <statement sequence1>;
' \6 b% W) a; L6 i& [+ Y next;
3 y5 J( l( t, ]5 G, d$ Y/ W% \) N- x3中断语句7 u7 ~# I2 p/ k* y/ M0 _% u8 Y% \
waituntil <condition> prio <integer expression>;
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9 a4 W. ^3 e% A5 e( Y以上为常用的函数！6 s3 R0 x" j9 ~+ {) H+ e/ N3 d
还有很多，如有需要我把资料发到你邮箱里
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