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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 c, z% c% z' k3 m# Y8 j if <condition> then
% R9 D" q7 u2 g# U" v <statement sequence1>;: V" p3 O) F' \+ R0 l+ @
elseif <condition> then6 s2 u) d0 T; r- }* @$ e2 H
<statement sequence2>;
& @/ J8 P, @! V else
2 h1 w, d5 q: S% H+ A <statement sequence3>;: A. }5 V- g2 u' d( k$ P! Z' T
end;
+ B" D# k( [- W- k2 f; z1 S9 E如果分支比较多，用：& g& P( c4 h& H2 g. g: W
inspect <expression>5 e4 s7 K4 d: P" u3 q( s/ T
when <constant_list> then
# K, l/ c' m, Z6 D" i; t% U <statement sequence1>;
# z) L+ c$ O3 \, Y" @# g) @1 k when <constant_list> then% Y) `3 }% I- A% w. [
<statement sequence2>;5 K7 G0 `0 G" `( K9 b% i
...
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<statement sequence3>;
/ T5 T7 Z" S* O3 O9 ?* k9 Pend;
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2循环语句
* K) w9 u+ S6 {& A4 \( p: ^ (1) from <statement sequence1>
+ A D; ~7 y+ T! |0 j1 p! r0 _& y until <condition> loop
! O# t+ V; p0 s, t2 v <statement sequence2>;0 H1 v6 w) c: {' }4 M( p% v
end;
6 j3 ]& S# C+ [) } H. S/ e (2) while <condition> loop2 }1 N0 \* E" Y1 X3 |" w4 L: k H O
<statement sequence1>;" B0 N" `. N- T8 X
end;! W9 J4 p5 [) {
(3) repeat 9 m$ i& B. F8 L, e B/ i
<statement sequence1>;
/ J: k* T0 d+ W W7 A until <condition>;! g5 O' {5 f7 w1 ?
(4) for <condition> to <condition> loop
, h: u1 ^3 ^. B. ~3 z <statement sequence1>;4 p0 P. q# \: `- X N
next;
$ n1 R; F% [6 h3中断语句
* }0 t# {$ K% ^ p waituntil <condition> prio <integer expression>;; w2 a5 U: E6 X" _! l/ h
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- X" f% ~; Y% | m以上为常用的函数！+ D/ ]4 C/ \8 Q& a; }1 _
还有很多，如有需要我把资料发到你邮箱里 - L. R! t, d) S
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