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发表于 2012-11-13 08:48:12
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1判断语句% [7 J7 C! f# y! R3 s7 \
if <condition> then- e' i; f' b; U c9 F8 N1 s5 J
<statement sequence1>;
2 l# `$ U$ x2 ^1 L* S elseif <condition> then8 A) c8 w/ A8 Z4 b9 W; q3 k
<statement sequence2>;9 ?( s2 p% m* P* c4 \* T
else ! }1 e$ Q; \, t) j5 s5 q
<statement sequence3>;
" Y9 I* e i% a! ^% J end;: [0 O8 P* ^" s& T
如果分支比较多，用：& F. V5 V6 l; n6 g* h- W
inspect <expression>( s1 s9 j. c1 h# l
when <constant_list> then
3 w+ l3 [% G2 ?& C6 n <statement sequence1>;6 q2 n- N L) U' j! d/ @
when <constant_list> then
( n* _% \: j1 u1 n9 z. B <statement sequence2>;5 a0 T1 y, T: P C' M
...; B$ ^8 ~( O. `
else6 }; W2 O" Q& k
<statement sequence3>;
/ S+ E" k& r$ X7 y ]0 D) Z6 _end;
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2循环语句
' k0 D4 K$ `% u/ U4 _9 | (1) from <statement sequence1>6 ^# S% Z0 y6 G1 e/ ]- x# F
until <condition> loop
. Y8 n, S% Y$ ]% S8 B6 W <statement sequence2>;% t: D8 u7 ~* }, J( V, V/ j+ A
end;9 A7 W% f+ p, l- o6 g2 r6 m% _
(2) while <condition> loop. p5 y6 N: [+ O2 r4 B" p1 h* J$ ^
<statement sequence1>;
R" l( H1 C+ L2 w1 k end;
3 T; S7 W3 w1 w: @5 ]& ` U (3) repeat 6 s' u& X# Y" E, A; k- h5 v0 K
<statement sequence1>;
8 W% K0 V' S! W' p* c1 Q( R until <condition>;
; t: }5 v4 b+ }! h (4) for <condition> to <condition> loop
# N* T! R% q8 e. y- L+ K% I <statement sequence1>;* K+ }" a. Z9 r; C6 a6 b) o
next;# ~" A G( F3 c8 {
3中断语句. Q$ G. m1 r3 l( W/ p8 [. n# ^
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 a6 u. |1 m+ v! D* p1 i还有很多，如有需要我把资料发到你邮箱里
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