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发表于 2012-11-13 08:48:12
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1判断语句
1 {4 i; G( P- l0 r5 P% n2 o if <condition> then
8 ^' K- Z: j- h- z <statement sequence1>;( D2 U' f/ e, v5 {* J% K/ X K
elseif <condition> then* F" g1 C b7 ?/ x- A# Q: F
<statement sequence2>;
! s* p# e3 }9 }& t" a: g; W else 7 z4 i9 r& l5 v- ?. ~
<statement sequence3>;7 k( | S2 a( q; D" ~
end;
! {) ?$ G: } t/ q% U如果分支比较多，用：2 x& H: ]& i8 a/ w& d
inspect <expression>
: X0 O1 {+ @. s# \; \0 l when <constant_list> then/ K+ B9 n$ C0 f* D4 ], H
<statement sequence1>;
# f$ T" @# ^, l' H. W when <constant_list> then
& a! P+ k; ^4 B* d <statement sequence2>;* s! l1 F9 y* \! m
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else
( q" C8 b: h% T1 G* Z7 S, {7 o& a <statement sequence3>;/ w, t- h/ Q# t* |3 @, f5 Y
end;
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o, w' _: ~ n& J' Y! \2循环语句" _# _% H5 x3 Z3 ]1 [, J. U
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop& G0 ~$ K. d' B+ B1 M
<statement sequence1>;/ `; D$ l. \" M. p* e$ j( i
end;
) f0 X+ X: ^9 J (3) repeat 4 U0 u1 K6 [- w$ k& j5 {
<statement sequence1>;4 p2 d }. o. j5 ^. N1 Q
until <condition>;
( u5 R5 V5 T% H ] (4) for <condition> to <condition> loop4 M$ ^, O4 l: B6 O( ?
<statement sequence1>;# s2 S# T" T4 I
next;1 A+ v ]3 I( q; D2 N4 W( u
3中断语句
' V; T; E* `7 \! T, C# M waituntil <condition> prio <integer expression>;
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: u' M- Z# Q+ V' r以上为常用的函数！2 \) R. q" j/ V4 C
还有很多，如有需要我把资料发到你邮箱里
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