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发表于 2012-11-13 08:48:12
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1判断语句0 Z0 D4 l4 o+ R
if <condition> then
6 D, A: E9 Q T# e1 X% p <statement sequence1>;
Y6 x, U2 L4 z# ]" C8 q elseif <condition> then. m% Y* c# J% z$ u1 ]& }) K7 j
<statement sequence2>;4 Q& ^/ _5 }4 v( n
else
- [9 j1 a, w* k+ x7 m J <statement sequence3>;
0 V) h( s# y! H( r& D end;
( u0 V9 J7 ]7 M+ P, E5 g" |如果分支比较多，用：
3 `$ p' L; f) v% n5 c7 s/ Z inspect <expression>3 Z' Z% B) {: S$ }& A& N
when <constant_list> then
7 I/ B; t+ K( t* x* u0 q <statement sequence1>;( [/ }; m. H" f, ]
when <constant_list> then( Q7 o1 u/ m& U6 J1 ^! u" [) n. x4 g) d
<statement sequence2>; i$ i/ s1 F) M; k+ h' |1 }- r9 k
...
0 y6 W& q4 q$ n' q0 z0 ^ else
6 U2 [/ ]( ^! L <statement sequence3>;) \0 A$ D- X ], b, \) `$ ?
end;
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) F! p' D. S/ m+ P- u* X5 z2循环语句
1 p5 Z2 B" o4 l3 z& i! L: H* T (1) from <statement sequence1>! U2 G0 G, S$ j$ ?. M
until <condition> loop
n7 u/ k+ s2 @/ e! ~+ j8 C <statement sequence2>;3 K0 f$ M1 R$ m8 |0 z M5 S! t
end;
. m9 T* A' @! O/ w0 \ (2) while <condition> loop
9 i/ e) w' r4 a, B$ V, A <statement sequence1>;
, J+ y4 h+ e8 F end;
/ p, X8 o- n$ a/ T# C; q* L% Z& L% I0 _ (3) repeat 4 Z9 h! `! Y" e+ `
<statement sequence1>;" |" X M$ _1 o' E; |. K
until <condition>;9 L$ Z9 G) ^; Z% q% Y+ L+ W, s
(4) for <condition> to <condition> loop7 ?2 Q7 {. {# w9 y
<statement sequence1>;# s4 j/ X6 c3 \6 _3 x, Z& X
next;
- x# ~, ~* c6 S, c( l3中断语句) a; @4 ~+ _$ l5 H( C
waituntil <condition> prio <integer expression>;$ \2 r! P3 V9 S+ q1 v# F. {& b- K- S) Q
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$ m8 h, a* K3 f- O& X% u4 \. t以上为常用的函数！. w; M5 w# @# ~5 N$ f/ I0 D6 k
还有很多，如有需要我把资料发到你邮箱里
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