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发表于 2012-11-13 08:48:12
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1判断语句8 }$ o4 D, }0 s6 c( O
if <condition> then4 d$ ?6 o! K" Q/ P' D; A! U" T% k
<statement sequence1>;5 l m" I' M6 M5 ]& f; H
elseif <condition> then
& E9 U4 r( @- r, `; ~& L, a <statement sequence2>;+ C" e6 u2 O2 w/ q9 ]+ g3 N# T' f
else
* p- p- T/ A1 Q <statement sequence3>;
% J( s+ L( z- Q t end;
- J0 [4 ?6 y# w W" t0 R. q. D( m3 O如果分支比较多，用： O0 S% g0 r8 P* R" ^ e
inspect <expression>. e8 g* [. @8 P1 v
when <constant_list> then
) |, T9 _; s! e* r3 G, q <statement sequence1>;
- n+ |5 A. b7 Z/ O, `% T8 \ when <constant_list> then9 s3 @* b& J9 V1 m) a" t- `2 e8 ]
<statement sequence2>;
& ]- G! {* N# `9 I$ o7 R: k ...
' `' p* l, J: v else
% {1 |1 k; q! o4 a, M <statement sequence3>;
4 e5 m& s6 y. z/ ?end;: M, U4 ]# A& `5 ^
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2循环语句
! N2 W$ f. x7 |. M" z3 ]$ `' f (1) from <statement sequence1>, H' F+ B0 w8 Q7 q; {
until <condition> loop
! j1 F6 L4 G2 a# @+ q <statement sequence2>;
, B8 o" Q1 _: t i# `7 u end;
( Z0 o5 ~- S2 \6 K. p (2) while <condition> loop3 u( \- o x) t B) r
<statement sequence1>;
. o& x, D9 o7 `% T! ]0 f& E+ _ end;
6 {( T$ Q* `% v9 I7 n (3) repeat
0 Z: }( D( J6 u+ i! U/ d <statement sequence1>;
& j' Z& i/ L( `0 o until <condition>;
) G+ z* N& @: j% J. N6 ^ (4) for <condition> to <condition> loop
" H" ?) ^% x- D; v! w, B <statement sequence1>;: w0 k! N+ \2 _
next;* {0 U) f3 v3 p M* Q& _# B
3中断语句5 v; b% t. N! M1 x$ G+ Y
waituntil <condition> prio <integer expression>;( y( L/ w) M; }3 p
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以上为常用的函数！3 e5 U# H: T& }+ V4 t
还有很多，如有需要我把资料发到你邮箱里 3 e6 w+ o. K7 _: o
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