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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
( x/ K' T X# p" x. R# ] if <condition> then
( @* o6 C* O3 p/ w, A <statement sequence1>;5 @% K0 j7 V) f5 K
elseif <condition> then& ~$ p' l# H, G8 ^8 v, m% n
<statement sequence2>;/ O7 j" Y) F! b8 M+ p S$ z
else 1 S. ?& D( z4 c
<statement sequence3>;
# |$ U2 g+ K r0 l% t% S end;& N i5 d# S R6 U8 H
如果分支比较多，用：
/ N6 p" }* _) P6 V6 N0 z) ?/ D inspect <expression>' L$ B" S' o* O/ L5 N: _9 I7 N1 n6 w
when <constant_list> then* ~7 Q% V! q2 O5 O3 y; Y/ _
<statement sequence1>;% `" Y5 W( Q# y- e; z" b, \. X
when <constant_list> then
( f) P; a$ D9 ~$ { <statement sequence2>;4 }( X+ ? k* u3 a$ A P6 F
...
N( Z8 N, e( g+ y% g else' `- J, G w5 I& j, h" v
<statement sequence3>;' |) u, D2 N5 a& \& q
end;
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2循环语句
0 w& l' E+ a/ d* D6 \& k# a (1) from <statement sequence1>
( R# M; W8 N* U! L1 P until <condition> loop1 s' u. {. t7 E; W% n; `) _& c! z
<statement sequence2>;
6 S4 f4 W8 n; `; z$ p5 [+ k% U- @ end;
+ i# f9 D2 V/ s# F# P4 Q (2) while <condition> loop
5 C) t1 _( v1 y' _ <statement sequence1>;
7 N$ A3 u F, \6 y( K# b0 X end;
( s) t% W5 u! R3 o (3) repeat
* a% u- [; f( D& h2 q" o <statement sequence1>;7 p! J4 }" o! q! O
until <condition>;6 Y0 c: ] S, g0 }; o" N% e
(4) for <condition> to <condition> loop* `1 ]7 D+ }- k) n% R% K& U
<statement sequence1>;) l) B/ V) _) a. M( @; E
next;
2 V4 a& U' V4 t U8 ^9 F. L3中断语句
/ e; M- x+ m. H2 M waituntil <condition> prio <integer expression>;
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/ i! p# ]& R5 e6 K4 x$ a
4 R/ u* p3 U8 p4 u& I! ~以上为常用的函数！
7 `* v# ]5 H' Y4 v" ]7 J# w# x还有很多，如有需要我把资料发到你邮箱里
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