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发表于 2012-11-13 08:48:12
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1判断语句, u7 Y) F x @3 {
if <condition> then6 u( I6 p# H) W
<statement sequence1>;
: r) t7 t/ a' r- m8 S$ |1 W+ K% I- C elseif <condition> then
I, y% I# Q% h <statement sequence2>;
4 b0 d* c: \9 S- G! r else
! y/ t: t1 x" Z) P: I <statement sequence3>;% O: A, `+ z% A ?9 h7 a& A1 H
end;8 U! M! s+ B; G* Q0 v7 s4 m
如果分支比较多，用：; O2 Y" _! Y a5 E, Z
inspect <expression>
7 R3 N2 l* q8 n1 p; z* l9 g when <constant_list> then1 I( i- p, h' l
<statement sequence1>;5 H V$ m/ g+ Q) k9 ? f9 ]
when <constant_list> then2 m, ]3 `+ t: G- _: `
<statement sequence2>;
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else7 T; Q) ~: I2 s) J5 r: h* S' J
<statement sequence3>;
4 f* C0 q/ v5 Z# wend;: S8 [( f0 o a9 G* ]9 {8 T
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2循环语句6 c2 v8 G: S) X% R P5 F
(1) from <statement sequence1>
" U% z6 P( @: t% R$ \ until <condition> loop3 R% ?" z6 [' R! q$ U& I* o
<statement sequence2>;$ }+ X7 ]% x) g) G4 R: a
end;' W: J( M) J0 J6 {5 _, D
(2) while <condition> loop
4 H& I) v" C& R <statement sequence1>;) u* N2 Y- Y) Q/ w- D$ p( u, S1 e; J3 w
end;
3 {8 j3 h6 K# A- s4 Q) D5 r) o (3) repeat
L4 _; t% R2 o0 R% _5 j <statement sequence1>;
2 R# P G% _% U0 K) W until <condition>;+ j# u7 m1 g( D, W
(4) for <condition> to <condition> loop9 f9 u! t* O- j8 L. w' T4 R& s. h
<statement sequence1>;4 w- B9 w, b1 s7 y5 U
next;7 W7 J( r2 b: S* z
3中断语句
8 z& r* R) N/ _ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
6 A/ w( K4 K( o; i h( ` r还有很多，如有需要我把资料发到你邮箱里
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