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发表于 2012-11-13 08:48:12
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1判断语句7 A p9 \* b* u
if <condition> then
' x! S$ C2 m2 T0 x5 l, e <statement sequence1>;
: d6 x! u1 ~# v, D elseif <condition> then5 o1 l: v8 ?& X
<statement sequence2>;
3 g: D8 T" O4 V: O else ( H& ~1 C( U0 P( K! E0 z! X: ~
<statement sequence3>;
5 P) n7 C9 M }# t1 W6 r end;9 c+ |. d z" v* @
如果分支比较多，用：4 N% C; ^/ ~& O4 K5 ]
inspect <expression># r. s3 K/ u3 w! D" P5 r
when <constant_list> then& s, g' z. i h# F1 K
<statement sequence1>;* z& E V. B V: X5 C* r
when <constant_list> then/ C+ `) z! _# ~; Q! Z
<statement sequence2>;
0 ~$ E/ }; I& ~+ L ...
. A1 e# q! c2 j, g t+ _ else
( ^4 I" ^+ z, ? t8 {% m& c <statement sequence3>;; V! D7 s& c4 U2 x4 z! d
end;- z. J9 m" t: k! B
8 P; [+ s0 K4 l. T8 [; v2循环语句
. T8 S* v" l0 b4 d) Y p+ j) z (1) from <statement sequence1>
5 {0 J! e1 P# j. T4 k until <condition> loop6 h9 D( U: H: Z7 E; |
<statement sequence2>;: o5 E# m3 s( Q. |# U8 \
end;
! X/ B0 w# u. C6 f: a( ]0 p8 r (2) while <condition> loop# p, O9 m( @9 V
<statement sequence1>;4 M0 m' f$ q+ [* K0 K& j
end;9 l3 L- T3 w* q6 E
(3) repeat
4 m; X8 p+ w, a2 h& X( _ <statement sequence1>;
Y) T( @, a! d% A/ h until <condition>;
* C" N" h; E/ c# A( H (4) for <condition> to <condition> loop
( t9 s; Q- J9 h2 a1 w <statement sequence1>;* u2 x+ K) Q5 V7 }, N
next;' W0 C! O. y2 O! _$ n: u4 U
3中断语句3 r6 m+ R1 }5 [: Y: {4 `4 f; l
waituntil <condition> prio <integer expression>;! D/ l5 D3 H5 Y- S
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9 f( n8 {( M: }7 V( q! V& b" A以上为常用的函数！
6 X! `, f2 n2 E8 z8 \/ X还有很多，如有需要我把资料发到你邮箱里 ! m: j4 F6 j/ d. U/ p' W/ D
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