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发表于 2012-11-13 08:48:12
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1判断语句0 ^( Q. o. Z6 F9 {& Q
if <condition> then J8 T* l3 l9 y# n5 ^" c
<statement sequence1>;
# [5 n7 Y( S$ J elseif <condition> then8 w7 H- c+ d4 O4 i) g
<statement sequence2>;+ z; r# F L' b* r! J& c- X7 ~% U
else
* D$ I6 V. |4 k- Z2 V/ A3 \4 q( P6 P <statement sequence3>;; t( b1 Z6 _- `* d
end;
% N, w& o# @: V如果分支比较多，用：
& j1 D3 l0 ?) z% M" u& i9 X inspect <expression># A+ r5 k! R( v- q" M
when <constant_list> then
0 @* b/ ]) p: A; ~4 p* D <statement sequence1>;
9 X& F- w' [* i v# m when <constant_list> then
; I8 o6 [ D: M) U: K. B <statement sequence2>;; N3 Y( _. A; u2 B% ~
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else
) s! K/ x+ E! {: d' e6 q <statement sequence3>;. N& Q$ P% T' B3 m" b" h. h
end;
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2循环语句+ m$ S$ {6 Q X0 q9 ^
(1) from <statement sequence1>6 S* s- K" T5 u1 \3 Q
until <condition> loop
; Q6 H( Z1 `8 \" T" Y& r <statement sequence2>;
* y7 X9 p' R: r. }* U, K end;# Z) E6 C3 ~; X. c% |- q* |
(2) while <condition> loop3 Q1 f; x: ]3 `& i
<statement sequence1>;. I& k* J2 ?9 [
end;5 n# e8 O$ i" Y0 J7 B
(3) repeat
+ A' l+ p0 U8 }$ v4 _ <statement sequence1>;
$ z% f4 a4 N+ O% z1 Z until <condition>;
) m+ P7 ^! [* R& |7 Z (4) for <condition> to <condition> loop
% m# l) t% w- ?5 U% U4 Z) i& K <statement sequence1>;
7 V* B b$ [) D: O) Q$ u next;# y9 p" G! U9 y3 p2 W; X N
3中断语句2 _! v. v7 h7 X. Z) T' w
waituntil <condition> prio <integer expression>;+ ]. [- u3 W& `3 L3 _ p+ o
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0 Z/ r- R! o# k' p' b( y+ _# R* `以上为常用的函数！% d- R" ~4 {. }$ Z
还有很多，如有需要我把资料发到你邮箱里
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