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发表于 2012-11-13 08:48:12
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1判断语句
" |6 {8 e% X- Y. T if <condition> then
% v+ J6 e, X3 ?/ i% T2 i <statement sequence1>;
/ h& `8 x6 s! |1 c( u elseif <condition> then
$ I8 H. F' q, H9 d1 }+ j$ r3 { <statement sequence2>;- B2 V- h+ D2 M% K# O* O
else @/ s+ ^9 m( i
<statement sequence3>;! I3 A3 I& u( h+ i
end;3 |: T0 l$ g% _: x
如果分支比较多，用：& S- q5 r: X% N
inspect <expression>4 C) ^1 F+ x; U! b' T
when <constant_list> then& I9 Y" s# S9 B' x+ [8 }
<statement sequence1>;
% Y7 c+ h# {9 r+ n' m4 D! K0 O when <constant_list> then @ u6 m! c( f7 F7 m2 B# Z! n5 t
<statement sequence2>;
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else" y0 |) G; A/ v4 I: A8 t2 g
<statement sequence3>;
5 M5 J" ^& @0 l+ M# Aend;
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M1 \+ G& L& N, E$ \2循环语句
' e" n1 R; Z& P (1) from <statement sequence1>
3 o5 d- t- e& P7 @% l" c until <condition> loop
6 C; y3 r& [' i! w) Z5 e7 O! g <statement sequence2>;( E" V# ?$ ~) C
end;
, b$ ]% M) {; ^9 O (2) while <condition> loop
+ F, X4 q/ [: a/ m/ r7 C \ <statement sequence1>;" U2 Z' d& T* w1 z, b I4 B% t: I. H
end;/ g7 U( A7 f5 h
(3) repeat
# }2 f4 b) h0 c$ H0 q <statement sequence1>;
, i* G; _( L9 q$ s# p+ W until <condition>;
0 q: U& p& l S3 b (4) for <condition> to <condition> loop
% o7 v: y) x E, D <statement sequence1>;
F0 l% B/ S& s. G9 D next;
$ o9 J1 w/ m6 R' `3中断语句/ ~* w( d- d! e* N
waituntil <condition> prio <integer expression>;
+ q5 u ?' Z5 a/ `* K" a9 `# \6 z& ^; f: @
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以上为常用的函数！4 C: Q& W* }4 r: M" {( x5 |! l! X7 \
还有很多，如有需要我把资料发到你邮箱里 , L1 u. l( o+ {# p# \
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