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发表于 2012-11-13 08:48:12
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1判断语句) t; Y% ^$ U2 C, v) U! T
if <condition> then6 ]6 n# f; C/ l! P" {
<statement sequence1>;9 Y7 i" [5 _3 ^* _. I
elseif <condition> then
" {2 w4 Y; G% p: a4 c7 I <statement sequence2>;. I6 z" D& t8 F3 u: d
else * E5 R3 G& ^) a- U
<statement sequence3>; K5 L+ v Q8 O1 A5 y7 e' X, `
end;
1 o/ x' t6 ]. S, u2 k如果分支比较多，用：# I5 d3 W/ F. f+ _( G
inspect <expression>
6 w! R7 c, ~$ p7 c5 Q when <constant_list> then
; r! b4 L" | _+ j/ p: A <statement sequence1>;4 x: a6 L$ A8 ]7 E# j+ K
when <constant_list> then
2 n" @# w; }6 S: g( D# d3 M <statement sequence2>;
( k2 A0 G f1 k3 e3 E ...
2 w0 P( q5 B4 b6 B9 x& z else
3 C6 _$ _. @* L <statement sequence3>;8 r2 m4 N5 W% }4 e
end;
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# k9 J! ]6 l2 e% K2循环语句
$ h2 K" ?) r% ] A( u2 C1 X" P5 d (1) from <statement sequence1>
; v, {- _8 Q ^8 I* U until <condition> loop) r7 ~) X+ e& [8 ]7 k- e8 d
<statement sequence2>;6 j& X7 l) f/ F3 C
end;/ n& A7 c' u% c7 q+ q
(2) while <condition> loop
) v8 p/ D& y. _, @9 E3 ^ <statement sequence1>;
/ u9 z7 h" A* i- D: U Y end;; N/ k* ?1 p" L* f
(3) repeat 8 S5 _/ z* ^1 y' t. X+ f
<statement sequence1>;% n3 p, @9 P4 g# e
until <condition>;! b) d7 d1 R# }; p
(4) for <condition> to <condition> loop
( D9 ?( m: u4 @ <statement sequence1>;
# t- J2 n, S' C5 ?; w next;
' N5 V" F: o: C0 N3中断语句, k- u$ M4 ?& x4 ]( }! r9 q
waituntil <condition> prio <integer expression>;( w- }) E) ]1 K5 [% D
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/ M0 N* W3 H2 q: r( C: F以上为常用的函数！
/ n3 ~1 C# A+ l. w还有很多，如有需要我把资料发到你邮箱里 % C1 o2 ]0 X/ N F$ u
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