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发表于 2012-11-13 08:48:12
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1判断语句
& ?5 n! o" w! b8 m/ T, ^8 r if <condition> then: O, N9 u/ n# B0 @& L* z
<statement sequence1>;. w/ g# `2 ^- j2 T+ Q+ m
elseif <condition> then
; L' J* N" p3 Q8 G1 W <statement sequence2>;$ L) {% G9 C& U) @ O
else
/ H2 o' \& ?# {$ P( p- y8 j <statement sequence3>;
8 f& M# S8 H; u( g9 v) X5 H& s end;
3 Q/ c, @0 k( O5 j. l- C如果分支比较多，用：. }9 ~7 Y; W- K
inspect <expression>
" n; t: V4 r. o. y- x0 ] when <constant_list> then8 Q4 }! P1 K! ^* Z7 q* c7 [
<statement sequence1>;9 E7 i# Z& ?1 M; M1 T! i$ V$ B7 ?
when <constant_list> then( n# V" l6 \+ [
<statement sequence2>;
7 W( T9 s. \2 ]8 p% G( q% C ...
; c# i- a& C! k- @2 _' d else
/ s* u7 i" |+ t5 h" g+ j# F <statement sequence3>;4 f, S, n5 [5 k. U! F
end;
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3 U c, Q( W: H3 T* E, M9 q2循环语句
/ \. s- _8 u$ b) \! U (1) from <statement sequence1>
?3 n" Q' T2 l4 i; N until <condition> loop
" `4 w: ~* y% R6 ]9 p <statement sequence2>;
% M0 `1 J. w# ?) h" V6 w( d s end;
7 m v1 G4 B* p2 ?% z. ]$ J (2) while <condition> loop
7 y$ H1 N) d/ b6 W <statement sequence1>;
, Q$ e& G( {4 \, l/ E end;
3 d1 S! A& N) N, K$ F) H (3) repeat
0 t0 s/ m+ _: p, _7 t& Z5 B* | <statement sequence1>;
4 k/ {2 d* X1 e+ U' [ until <condition>;
! ^/ D/ B/ ^" w0 E (4) for <condition> to <condition> loop
( _6 i8 t/ n: g) ^ <statement sequence1>;+ x) S- a9 G& ]1 ^/ P; L
next;
\2 \, K, L; G0 w* H7 ]3中断语句( F" m* b% ~4 Z, ^8 T' a5 i/ U
waituntil <condition> prio <integer expression>;
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/ O6 }" A+ {/ i以上为常用的函数！1 s) C" U0 ~+ ~, [8 K
还有很多，如有需要我把资料发到你邮箱里 : j8 e4 \3 v- O& {
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