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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
0 ?1 d9 M( m M if <condition> then
9 C( A! s2 c% q4 e <statement sequence1>;
& F) U, _$ f. c elseif <condition> then# z. G4 [/ i8 [% i
<statement sequence2>;( P3 a2 \3 D/ W2 E! Y% I2 }
else
2 D. J/ t. k$ A7 n <statement sequence3>;
, c5 }* t1 ?* k! ]) E2 E( k: E end;
, X/ F8 }, U, z4 H$ L- G& g" j: w如果分支比较多，用：- f% Q. S* B7 I* h* M! f
inspect <expression>
) a* G% S( G+ f" s when <constant_list> then
- t& z3 f5 y, {6 A( k+ P <statement sequence1>;$ F3 b! h/ n$ r2 c1 C1 i
when <constant_list> then' n T/ b2 B% B4 b) v
<statement sequence2>;4 P& ?% w8 j& n7 O
...
& @6 V+ F7 }1 P* g" m( i else0 h4 {4 F. O: ? h" j( z% N# R
<statement sequence3>;( z) b2 O. w( I: h% \5 \+ c
end;
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2循环语句
5 M4 a' p. h' V" ~1 ^ (1) from <statement sequence1>
: ]% ?. Q/ N- B1 Y until <condition> loop
2 Y7 {/ A/ a2 K. q7 m <statement sequence2>;5 a. u' b+ I, }
end;
7 b+ z/ I" C! W$ i% t6 z, n0 X (2) while <condition> loop: m! [7 d4 q e8 s
<statement sequence1>; R u. q# {1 N6 F+ c2 {5 `
end;2 m) b. x5 m/ _* e/ N$ f$ E7 b5 ]
(3) repeat ( f# `( V$ f: \3 X: |
<statement sequence1>;
. z2 U' B* K7 o" C- D; F9 G until <condition>;
! P5 z5 O8 x% {2 } (4) for <condition> to <condition> loop
% |2 \% `/ x" Y( g, \7 j5 S <statement sequence1>;
1 E( J4 n; ]5 I' g( H/ d next;% s' p3 H o7 z" T3 Y9 D
3中断语句
2 X5 Y- ~8 O' n9 r0 E3 v) V waituntil <condition> prio <integer expression>;' p- D; E3 c" ?9 t' I+ t, V
& v% j9 h2 ~3 X$ C: e, G. b1 v u" Y2 T
以上为常用的函数！# j! K i" S9 L$ W" R' G) C2 p
还有很多，如有需要我把资料发到你邮箱里
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