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发表于 2012-11-13 08:48:12
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1判断语句# e* t! |1 P+ [& T, F [3 n
if <condition> then
/ ?! C [% \/ k! z: {6 u( m <statement sequence1>;$ l! F1 s" Y9 S
elseif <condition> then
" j% x+ z! `8 N5 K: U' V" E <statement sequence2>;
9 Q4 k/ N5 s' X0 J$ S else % I8 T' y* v9 ^
<statement sequence3>;
: ~: ^6 O4 e0 m7 Q end;
" w3 {3 r+ K: x9 Z- O1 k如果分支比较多，用：/ ~3 b2 P. Z; P2 V3 l
inspect <expression>
+ K2 u7 j7 ~) f' L9 ~7 C3 P2 M when <constant_list> then
C2 R, q D f5 F n# P; m1 Q <statement sequence1>;
$ {# T7 ], Y" z; t when <constant_list> then
! Q, }2 l* Q* Z! \# y <statement sequence2>;4 \& {/ }: b; i! U. H. K' G
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else$ Z- p5 d2 L5 [0 e% w3 N+ b- v& Z& N: n
<statement sequence3>;
- w; l; b" M; U, `% O0 N8 D. @end;
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* ^+ P, Y( G. s/ l" P- T8 j2循环语句
! m- C2 k9 y- ` _! [8 l (1) from <statement sequence1>
: H( A! o4 m0 W- Z3 V- [* x until <condition> loop
: p2 h# x6 B1 G- P$ [* a <statement sequence2>;6 C% y$ t5 _) k
end;
1 d- u7 @6 I ^% ?9 B2 P% r (2) while <condition> loop
7 K/ U/ o. `2 T' E3 F <statement sequence1>;
4 ]: [. t) S# J; y7 q end;
* p" p" V" Z% G; d4 M/ P (3) repeat - M% e+ h' u1 y
<statement sequence1>;- I( D8 g' B% E' K l% @- b' O
until <condition>;9 w$ d( H- ?$ ]2 B
(4) for <condition> to <condition> loop6 ^& m* i; y" T' W# S, y: ?
<statement sequence1>;+ k& n) y5 U+ p$ H+ u# r7 t9 K0 v
next;
/ Z6 L E( r$ |2 D# _& O2 _/ o3中断语句
' s6 r. D* E! M% J waituntil <condition> prio <integer expression>;
' ~3 Q! D7 n$ U* K6 k$ ?. ~6 ^+ I. J4 \8 H- q4 x
' m# I1 B# U, [$ K& t1 R' C以上为常用的函数！- u* Q a9 y: b4 h
还有很多，如有需要我把资料发到你邮箱里 ) k% O( F3 j1 K# c% k
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