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发表于 2012-11-13 08:48:12
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1判断语句
! g# K1 h" J7 m) N5 N9 M2 l if <condition> then3 e8 }, o! G# c: j; L
<statement sequence1>;
. K/ l) \& Y& _, N* P elseif <condition> then
2 v! r9 o. Z2 y7 i <statement sequence2>;
) M5 | e9 \" \2 S$ H% [7 b0 n else ! R, I5 h+ H) ?, T: J
<statement sequence3>; l! h/ f' Q$ }6 O4 |. l! V
end;
5 m9 V/ t$ h4 {+ }如果分支比较多，用：
0 D6 T( h" E" D8 ` inspect <expression>
" R, z O2 _" I& l- f4 V when <constant_list> then
3 F: Q% Q9 S/ Q& ~ <statement sequence1>;7 t5 G4 L; l2 }& ~/ P! k
when <constant_list> then& z5 Y9 g, ~9 z4 L
<statement sequence2>;( {, L$ {3 q* `, F6 f
...
' ~6 M- f! S* r6 B1 v else
6 b2 V, W% M8 u3 Q* x3 c <statement sequence3>;
5 V$ R! U, z5 A! @end;/ Y# g7 W. \! U
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2循环语句
1 y* U8 l. P/ Y" L0 B (1) from <statement sequence1> l1 t4 C9 m# m
until <condition> loop+ K! q& l! h: E& N
<statement sequence2>;0 A0 V7 U) g0 K4 F
end;
! j& \4 a( \7 n3 {6 W, _ (2) while <condition> loop
' P& I/ ~' A7 k" e- d. i. q <statement sequence1>;
$ f1 |2 m9 k8 i1 V. m' J2 `! ?& A end;5 R6 S& u5 F5 V8 ^# o5 ?
(3) repeat , I6 W- F. N. _1 m! z$ O; b
<statement sequence1>;
4 Z( z7 V! c+ B y* _7 N' p6 o6 q. G until <condition>;
9 t* F; g9 L6 i (4) for <condition> to <condition> loop
; N0 d0 }$ i# S7 x' ^# B3 g <statement sequence1>;
; k0 J& p1 N2 ?& U next;! o S: z( x# s' r: o
3中断语句
, Y' G7 e- ?+ \3 j& V1 q7 M+ x: A waituntil <condition> prio <integer expression>;, ^) E, E' J- p2 W8 i- n1 `/ B
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以上为常用的函数！7 a: ~- T) g0 f$ ?
还有很多，如有需要我把资料发到你邮箱里 5 C, d" V9 r2 I' Q7 E; Z
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