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发表于 2012-11-13 08:48:12
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1判断语句. [% o9 S8 L# c$ }
if <condition> then
$ K9 Y( {% }0 Q" r& r <statement sequence1>;# `4 Q: ^ R6 s
elseif <condition> then
. w6 I; D7 y! R0 B9 o. z <statement sequence2>;+ N* l( ~* P% \6 ~; ~: ?
else
. g6 B3 p& s+ t, ^ <statement sequence3>;
2 x1 P6 J: N* Z' {& X# Y% y end;
9 ]( `) r# A5 Z) F& L9 D" P如果分支比较多，用：
; u, D9 s7 } M; w+ { inspect <expression>( a! Q- b0 w( y- r6 y9 X
when <constant_list> then2 R4 m/ [2 }) \6 S1 A+ n" y$ K' g1 @3 E
<statement sequence1>;
2 \% O6 w Q( C% I4 v6 C when <constant_list> then
q. ? I( g: s' c7 S <statement sequence2>;1 Y3 I m4 f" B6 F# x6 V
...6 m& ]: @( b! G7 O
else$ s6 i! [# W! R6 C5 e. h6 h; g
<statement sequence3>;
$ }5 M8 L/ J( J5 W6 iend;
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: i% G4 U E2 t2循环语句
. B5 t5 I3 g0 z2 O3 d1 Z" o (1) from <statement sequence1>
9 I5 c4 n: ]4 P/ @% L* G. f( o0 s until <condition> loop
1 \4 @ m& R: `# Q! T <statement sequence2>;7 k, z7 n- z' o5 h
end;
! L' @: \& `' f+ t7 ^# a (2) while <condition> loop
% ]% w8 |% I3 g& u; z <statement sequence1>;
$ {. T, @: M) U- I1 D9 N1 O$ l end;0 n3 A6 m( @# C. z
(3) repeat & x; h" V9 e& Q' _( C
<statement sequence1>;, d+ x5 s: a- [7 x; @; a
until <condition>;0 U: q) `; J/ w7 E5 S
(4) for <condition> to <condition> loop
% O/ v8 ~) E6 c1 G' p <statement sequence1>;
# M, X% d6 D) Q. a' L& V3 M( V next;8 \# m$ J7 y& Q7 `2 b" U2 r8 }
3中断语句
8 f3 G+ @6 j6 W waituntil <condition> prio <integer expression>;, F- y- i A) D4 j5 B; R/ T. r
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以上为常用的函数！. _1 B* j! ]1 s3 D$ t) d3 B
还有很多，如有需要我把资料发到你邮箱里 7 R& M n, _3 G6 c
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