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发表于 2012-11-13 08:48:12
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1判断语句
+ q- @& x5 e3 H) m7 K. F if <condition> then; \0 e( X/ T1 ?+ b* P
<statement sequence1>;
' J( X u0 Q0 v5 O elseif <condition> then
c0 B, F9 T8 P8 T1 l+ N5 s5 R <statement sequence2>;' b d' C3 q/ v8 b7 y
else
/ J* j& V3 K! \1 ^7 ?; y' X <statement sequence3>;
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如果分支比较多，用：
9 M, p* C6 t% E5 ]* | inspect <expression>
) E; c/ T) ?2 w0 ?- X3 V* L! R2 C when <constant_list> then
: R9 q' ?5 q' J/ l. i; E <statement sequence1>;
5 \3 _" a- N& _$ z' c when <constant_list> then D' b' H0 p- ^& T4 k
<statement sequence2>;
0 D T% ?+ {' U+ m P ...
8 q1 _4 D2 o* V% d9 @ else
: B8 I! M" X Z) P9 m <statement sequence3>;( k9 p$ _/ O I/ H& Q" ~- t
end;, _0 v1 W2 E) s- s. O
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2循环语句4 X2 }2 r/ r% L
(1) from <statement sequence1>& x- Y! Q- r- \4 \ _. d6 `! @& _
until <condition> loop
7 A* V4 s. \' B7 _9 O5 z <statement sequence2>;: P C1 A* I* t& u+ q2 C& c7 O
end;
2 ]% D( r4 z. q9 Y7 h (2) while <condition> loop
4 L5 O4 T1 g& k7 v8 s% k. { <statement sequence1>;' E! a) N2 p/ q. f% O) C+ ]) |/ l
end;
1 w3 D3 W/ s; S' ]; x, D' q) P. n (3) repeat ; v+ Z* m. E" U3 h
<statement sequence1>;, E' E; N9 a$ l, S
until <condition>;3 L# {# R6 @' G* M0 g
(4) for <condition> to <condition> loop5 o( G$ q% l$ m. k) k4 ^
<statement sequence1>;$ H% ~% E: m& G' @ h
next;
/ h$ Y+ T- @0 p* g3中断语句
( G) V( }/ R& A, x. S8 s! _% n( U1 N waituntil <condition> prio <integer expression>;
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1 _7 S2 K; o' w' Y8 p& B# ?4 ]以上为常用的函数！& G( I! z! e, P0 z$ j/ Z2 @
还有很多，如有需要我把资料发到你邮箱里
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