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发表于 2012-11-13 08:48:12
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1判断语句
5 h6 I w! I, m/ Y F+ W& a if <condition> then
6 {4 L0 g" D# ]2 F1 t <statement sequence1>;
" ?8 z- n" S# d$ S0 b4 O+ w3 V elseif <condition> then. |7 f2 [* L1 _- d
<statement sequence2>;$ ~0 K2 P9 U( e) G* [( c8 R5 X. H
else
( r# j& b- O' l, K( L" R. E. y <statement sequence3>;
# F0 h1 T6 X5 y/ Z9 v! y$ @ end;
. W( Z# h! R% J( V" w+ z如果分支比较多，用：
; o) N! f' O- E' ] inspect <expression>) f$ H- f+ q1 g4 J+ T0 v
when <constant_list> then
& F* z- L h- k( j) h; u3 P <statement sequence1>;' R& s$ R5 \ E' a; h+ @( c: P: n O
when <constant_list> then2 k" k+ S2 E8 E) E1 c3 r, O
<statement sequence2>;
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else
; Q5 F; ^* _' ~# b8 x* O8 ?# `- { <statement sequence3>;
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- l) h+ p) [; l4 p8 J; ]5 e2循环语句4 Y7 L0 C5 F9 B3 ]: v4 t ?, r6 u
(1) from <statement sequence1>
- O) I) f4 A1 c7 V, N until <condition> loop
* G0 m( K3 P3 l K <statement sequence2>;3 J+ X: R. D8 G
end;
! A0 d3 a% R+ @+ r- m (2) while <condition> loop$ n# D- m/ C/ {3 R
<statement sequence1>;
9 w9 k0 O2 `9 s end;
0 b* Q7 w% N/ J1 E- q d, K9 R (3) repeat 6 J+ V! I7 B1 G$ V+ p+ U( x, F
<statement sequence1>;
! _/ {2 U1 u) D) J0 H! a until <condition>;
g7 n: u$ T( T8 w: Q& o; b! F (4) for <condition> to <condition> loop8 q& n$ O5 w0 I" [6 S+ i
<statement sequence1>;4 ^, n o0 t* j- A2 B+ L$ m
next;( L, {$ _3 M% z" V5 a+ k2 f: x2 Q
3中断语句( y# U1 v) Z2 E: Z- S8 Z( L# }
waituntil <condition> prio <integer expression>;1 f0 c' A* {! y. J
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以上为常用的函数！7 [7 l- B- }, w/ P
还有很多，如有需要我把资料发到你邮箱里
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