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发表于 2012-11-13 08:48:12
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1判断语句
0 m( Q) b. p1 b3 t* |9 \ if <condition> then
3 K5 S: d0 y4 `' |) c# Y <statement sequence1>;
! |8 O# y& w$ h* f3 G elseif <condition> then7 h3 k, `" x% L, N! p+ H' p$ E8 @
<statement sequence2>;5 g0 r3 [- g$ }; \
else 0 z- S8 q. E) x8 Y) y+ e
<statement sequence3>;3 c( O: n0 \" g. X
end;
, j4 c/ x( l5 v- U0 r如果分支比较多，用：
( k; x$ j4 m0 e* O inspect <expression>
8 i+ U6 f# r' e$ g0 h9 \4 B when <constant_list> then
5 w( f; a& f( `9 w/ J" x0 N! | <statement sequence1>;9 I/ r3 V" `: K3 }) c
when <constant_list> then
! {7 r, a. y4 n' |. e <statement sequence2>;
9 f; V5 L7 ^! R: d9 d) c ...
& |) x; T [) `$ h1 ] else
! y( G# d) U* d* J/ E. z <statement sequence3>;* N4 F4 ^* B0 X$ L1 c3 h3 T& ]
end;% i* Z9 P4 _) ^4 }. M
" p! @! h% V: i. ? Y2循环语句4 z5 i* Y y1 u
(1) from <statement sequence1>
$ ]1 J. n8 s' l- D4 E% \! B until <condition> loop D4 p- j+ O/ L3 N+ z
<statement sequence2>;5 g" [. L2 O4 G# \0 O, ~
end;
4 \& d! u$ L) s! W (2) while <condition> loop
) l: s+ M, r: B! ]9 f# \' S& D9 n7 Y <statement sequence1>;
' @$ L8 v: g4 [ end;
9 V% T8 C* _5 \ (3) repeat * i# N% r0 @2 B" I
<statement sequence1>;2 _4 I" z) p% m c
until <condition>;
( w# Q% I% w# \! n9 s (4) for <condition> to <condition> loop
R) t3 p5 O- k <statement sequence1>;8 c" P) n# L/ S7 w
next;1 ]1 \- m s, {! c
3中断语句4 \& a) S" r. ~ |! Z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 j, Z3 K2 y0 k6 X3 V4 R# Y+ t/ {
还有很多，如有需要我把资料发到你邮箱里
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