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发表于 2012-11-13 08:48:12
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1判断语句
' Z: e( Z( B) ?: I! ?( v) g8 V( [ if <condition> then T" z+ S- k$ @1 e! R7 y0 @3 k
<statement sequence1>;
3 h9 f7 n" A: T; n' c elseif <condition> then, w g2 t7 Y! @' g
<statement sequence2>;
" B: v9 ^% Y; H | else
; T' Q, r5 v0 L( E b+ V* ? <statement sequence3>;$ l3 r- }; s4 Z$ v2 X9 Y/ R
end;# X) O3 v$ y1 i# c6 g |
如果分支比较多，用：5 k& O$ U, ?5 b# K
inspect <expression>2 l, a, U' Q2 x3 W& ?4 d- ~+ i
when <constant_list> then
% G6 c% g% i& s a0 k <statement sequence1>;
) W: o8 e3 ]* \. U* b' \" e7 | when <constant_list> then
& A7 s/ v( W; {$ c3 T2 Z r$ ~ <statement sequence2>;
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else) ~) ? T# M# o8 y4 I% n9 _- I
<statement sequence3>;
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2循环语句
% O# X$ |+ P: H (1) from <statement sequence1>
6 o+ f+ Y2 s# K& e until <condition> loop" B" r! a, @1 E' g7 Y0 ?" q+ | a
<statement sequence2>;3 f" L! k7 V8 S+ C
end;
$ n+ ]' u" B" V2 g$ P4 h! h (2) while <condition> loop
% l1 I- f% o/ R# b, U" T7 y1 [ <statement sequence1>;
3 K5 A2 d( R, o, G. X end;
5 E( Y, g% q. |) A (3) repeat
/ i# w) z1 x+ H+ h0 w# F3 ^1 b3 ` <statement sequence1>;! |5 L. [8 q$ o
until <condition>;
+ W4 T, M( ?7 C (4) for <condition> to <condition> loop
8 s$ @0 b, ^# D' W+ n9 P8 D- Z <statement sequence1>;
6 Z1 E6 \1 Y7 q8 q. r r next;+ O, J8 X0 j Y! |! `- S: Y
3中断语句+ {' P" B3 z: r: _8 E3 P
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 X- g! M) L% U+ b2 p还有很多，如有需要我把资料发到你邮箱里
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