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发表于 2012-11-13 08:48:12
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1判断语句
# i8 c5 J5 Q+ h3 \, Z9 r' R# L if <condition> then/ z$ P& H, ^7 X- m- `& I, n6 p
<statement sequence1>;
7 j2 P+ _* m8 u3 z. Y elseif <condition> then
: J+ P- R: W) Q" m9 K/ l <statement sequence2>;
4 Z! `, {. o+ s) t( Z, _8 u! | else
, ]: J9 q- a$ X1 M: Y2 ` <statement sequence3>;' {: L9 z9 ]1 ?1 W! H3 n: T/ @8 D
end;0 E% E% y$ R+ f
如果分支比较多，用：; I# H8 l3 C' {
inspect <expression>" D/ V6 g* v. }( Y
when <constant_list> then! Y3 C' b& h- H( v
<statement sequence1>;
7 S( Y9 v4 `# K1 K" B when <constant_list> then0 d: S J s7 j/ f( T
<statement sequence2>;9 i: _9 q# U% `! P$ W$ P
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else
% q2 e, U5 D9 J( } <statement sequence3>;: w0 {3 B7 `4 T
end;
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2循环语句" f8 Q9 N: T: |/ ~. a9 I& m
(1) from <statement sequence1>
' u- W' c1 I; H' L until <condition> loop5 t1 M4 ~7 N! c$ Z, q0 N0 `
<statement sequence2>;
) M% }5 C, n5 g1 i end;; i9 Z/ ^5 w( C' V& U
(2) while <condition> loop
; _; t! q7 F* t" y5 k2 Q <statement sequence1>;6 L% \. y. ]1 U- p
end;
& k' H, d6 R. Q* a" z1 C (3) repeat * C4 n& e6 p. I+ T! b+ v
<statement sequence1>;8 Q' T' m* B1 }8 R" B: L$ X" V
until <condition>;
6 c! C3 _% o- x6 f, @- x (4) for <condition> to <condition> loop
( J) i. \3 X9 F- A+ y8 H/ D8 w <statement sequence1>;
2 O* J6 {7 @- {6 x7 r next;
1 A/ z# x/ {( ]% J- y3中断语句
7 ~' I( D& x9 X* e q1 u7 V waituntil <condition> prio <integer expression>;' r* F) p3 p: N8 E% {0 F. \
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以上为常用的函数！7 Y5 p4 U0 i# P( @
还有很多，如有需要我把资料发到你邮箱里
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