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发表于 2012-11-13 08:48:12
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1判断语句
1 u s g$ h* j8 [6 n7 A. G5 \ if <condition> then& ^# [ j' }9 e6 [6 E6 R! C/ ^
<statement sequence1>;
4 P# {& C+ L% O: W' p! W' \: R elseif <condition> then
' T6 O- E% ^3 ^8 K% a <statement sequence2>;
' l! {8 X8 m* ?3 b+ F else
% o3 X3 v% q* ^6 w l <statement sequence3>;4 ~4 Z4 |# V8 L5 I
end;
" U! u- I2 E: Y如果分支比较多，用：+ X1 Q& y$ A$ d" H& S2 f1 n4 m
inspect <expression>
. n+ N0 D5 c/ j+ u- V$ U/ l) ` when <constant_list> then
$ d" |9 F9 X# w9 u$ U( V! i7 D <statement sequence1>;
8 A3 O* i0 E, m# n* O when <constant_list> then; v$ m, s, t+ F/ L+ H V& q9 X
<statement sequence2>;
! V2 A+ Z$ S2 F4 I ...
6 o! \2 G* d9 N( G0 _6 n else
/ }( W; j! \' A v* a3 ]. `+ u <statement sequence3>;! G ^ n. w+ g# |, }2 s
end;! M) ~$ n6 I. A8 h
% G6 T+ \0 j/ t$ I4 o1 z2循环语句
. `" @4 m% L& O% i! g, c% A8 ]& Z8 b (1) from <statement sequence1>: N/ g9 w2 y6 c2 D, `# q5 w
until <condition> loop/ q. w3 g/ Z- j5 d! ?* k7 K J+ ?
<statement sequence2>;: G: b2 @; ^7 n" B9 A
end;
, D; r7 W1 s2 D9 a* Y (2) while <condition> loop, X% Y- L$ N* b5 F& D& s; T
<statement sequence1>;% [/ q7 V& b0 y- @- o I, D6 m3 _3 f. |
end;5 |- b4 T H z. `, d
(3) repeat , \8 [4 C, K% f* Q! R, N
<statement sequence1>;
1 j. e1 I# T/ h7 l4 y until <condition>;/ `* \. H2 F4 y9 w5 C
(4) for <condition> to <condition> loop
& f+ d3 T& |7 u <statement sequence1>;
9 Q. I o% J2 t$ Q F- n+ G" d next;# S% Q; c+ \ A
3中断语句8 z# _/ P5 U' @- e3 N3 y
waituntil <condition> prio <integer expression>;
2 W! ~! ^+ g3 R' @' l
& ]% a! p0 O) I" U8 w0 U5 u6 q& q. {, w$ f$ o
以上为常用的函数！
1 V% V! q- q! a: k# [. k+ Y还有很多，如有需要我把资料发到你邮箱里
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