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发表于 2012-11-13 08:48:12
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1判断语句7 T7 ]5 j) W G3 J6 \7 J
if <condition> then& M, p# c6 R: e: w, H3 ]# u
<statement sequence1>;% [% M: i% y, r. U# p
elseif <condition> then0 l" m" Q( k$ Q0 u% X6 J& A
<statement sequence2>;
7 W' f, N0 e% N( B9 S- N else ( C+ k+ r( D* w1 e) n
<statement sequence3>;+ S" s5 E( B* D1 R8 T- V
end;
2 ?( v- C0 B( o2 p如果分支比较多，用：$ b: r5 r( k# `0 N ^' F" j
inspect <expression>( U4 Q4 C# m2 E* p6 |3 w" V
when <constant_list> then
1 Q4 R+ u0 U# g2 X; r1 @- a% o <statement sequence1>;
8 S! C2 K& D4 } when <constant_list> then/ `8 U5 o$ h. v" r
<statement sequence2>;, Z9 x' T% a$ m1 _1 M& k5 l
...9 X0 z8 C4 D* B# ~; A
else& f; _* j& }: i% \, R
<statement sequence3>;+ J& o* y7 T- [) E" t4 Q; u
end;7 y3 t6 b' ?6 d0 X1 _ m, `
4 {3 Z0 } S& W: Q6 X' `$ @2循环语句/ r- G& A3 K5 M6 V; j% g
(1) from <statement sequence1>
$ | M( x( l5 Q+ c until <condition> loop
$ N' K5 q" [' ^ N( { <statement sequence2>;
4 E* H$ a$ O1 V end;
1 F9 B1 M {& ` a* U (2) while <condition> loop
9 x6 l& b% I0 J p7 \" w <statement sequence1>;. u. c* y0 u2 i9 Y( ?5 B% E
end;
. ~4 l* a! `( m0 V/ V (3) repeat % j5 j6 {3 `& w/ d& o8 _
<statement sequence1>;
/ Y# H( ]) W8 ~: a7 Y( X until <condition>;
5 i3 g. O/ l/ x: P4 J (4) for <condition> to <condition> loop! p5 X: j6 |4 N2 \
<statement sequence1>;9 f k7 F: a2 |6 [% h6 ~- _
next;
( O+ [, ~7 a" n: |; \: C& D$ r3中断语句
6 @! f# i& K8 T8 k waituntil <condition> prio <integer expression>;0 J$ Q5 P4 F" _) X3 F
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以上为常用的函数！
( n! r+ K" M( X' _, J% M& K& B7 ^' {& x还有很多，如有需要我把资料发到你邮箱里
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