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发表于 2012-11-13 08:48:12
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1判断语句8 f$ E! x4 j6 O; q$ d$ Y
if <condition> then" z' U! K" m7 W& t
<statement sequence1>;
: o& N: J% P- F$ s/ w elseif <condition> then
" f) Z& v& ~* J) c <statement sequence2>;. e4 a: S/ ?# O- C
else 4 g3 Y( `2 {2 r. Q; l
<statement sequence3>;
5 q; d) H5 h) s @" } end;
/ t e; x3 r# \1 c% I# Y如果分支比较多，用：* ^. |3 n7 ~ s$ T( @+ _
inspect <expression>3 ^6 L& |. F/ }% I- c1 W
when <constant_list> then
1 }5 p. D5 T- r& M <statement sequence1>;; I0 M. W! {' ]/ T8 a
when <constant_list> then X9 e+ ?# w% o$ L9 N; ^
<statement sequence2>;& ~$ n$ ], y P C- Y7 p1 @' U
...
" J7 o; H# ^, X% L$ {* q7 j else
/ ]0 w: @( H9 B <statement sequence3>;
8 T0 R6 X, c7 P, D( {, xend;/ _! |$ |# Y6 N7 N
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2循环语句0 d, E% t- C2 w8 ]/ S0 r6 r
(1) from <statement sequence1>" |8 e$ x/ |' j2 s
until <condition> loop
8 V' `, h, j F7 ^; E J4 Y <statement sequence2>;5 m( V* V$ a6 [8 K1 x
end;. q& V) d' X) Y+ T& e
(2) while <condition> loop7 E* ?7 W6 b! Z" k6 m8 w- p" {
<statement sequence1>;. h$ E$ }- G4 J4 Z
end;# ]+ R7 s" _( v6 N( T) Z" [
(3) repeat
: F5 E0 `0 h( y# s7 s& l4 n6 z <statement sequence1>;# V1 R7 m2 y* _0 M( ]
until <condition>;% I' c9 w3 Z+ H: k, X7 e
(4) for <condition> to <condition> loop
* ?1 `# k) `" }, ` e/ h <statement sequence1>;
+ t$ O2 S/ D ~9 I/ N0 P next;6 w4 |$ ?4 Z/ ?3 z7 j) b
3中断语句, H# b& m% {: E Q
waituntil <condition> prio <integer expression>;
: S# i( g; g% n; m5 P; @: G. f, ^) E2 m
( m% f3 C/ a% R' n; q) K; Q8 ^以上为常用的函数！
7 R4 U) B" D5 {( G* f A# Z还有很多，如有需要我把资料发到你邮箱里 . ^& G& s8 b: n8 t/ ~
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