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发表于 2012-11-13 08:48:12
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1判断语句2 O0 I2 c2 _) `& p3 f( q) M, b; e
if <condition> then8 R+ x5 F) ?6 F3 i m/ _
<statement sequence1>;5 r% \3 I7 ?* i" F
elseif <condition> then$ O. r/ N) {! U2 b% q9 P {6 v
<statement sequence2>;
; E; \$ c( C0 ^$ A else
! Q$ B8 J+ H: p' b, ?1 B; Q9 u/ v: [ <statement sequence3>;
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如果分支比较多，用：6 O* ?& k5 s, H3 S! v1 u) J0 r
inspect <expression>: f- [; j, B$ S+ W
when <constant_list> then
% d* F/ k1 d9 B$ s <statement sequence1>;6 S' J/ }' V0 Q0 k
when <constant_list> then" R5 S r* ?3 ~: Z$ }) V
<statement sequence2>;0 F, O, |. H) A/ H0 M, O. _
...
! V) Q( p8 f7 w9 `, A/ z4 g else
. H- a3 |$ R; f/ V M' a' v <statement sequence3>;, i9 W1 N0 x7 F k/ V
end;
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& {" @. F2 S! R+ _1 g4 v; t2循环语句
% E4 K" u( s# L% r (1) from <statement sequence1>% b7 o' v9 l7 R* z$ p
until <condition> loop
& e, v4 i% l( n c <statement sequence2>;
' }8 [1 k+ A/ i end;
" u4 k5 K( N8 |# f (2) while <condition> loop
+ c a4 i* k# G. z# q* p <statement sequence1>;7 }& t3 }! ~. k
end;
4 D& C! M' g/ Z2 ~1 ]$ ] (3) repeat
6 i7 O7 @5 v8 R1 \5 Y5 ]3 p6 l <statement sequence1>;
8 D( q1 C- b/ R8 A: R until <condition>;5 K% x. M- m+ C( X3 v( t! M: |0 e/ P5 V
(4) for <condition> to <condition> loop6 J7 x4 |* x* O8 R' ~
<statement sequence1>;7 K, i( U; @! s1 g7 n! s
next;
: j, F9 @3 b* ~# X3中断语句
/ U; J+ P; g. h; r U; t0 L waituntil <condition> prio <integer expression>;4 Y# G( [* Q9 d; x5 m0 b- p) _2 J- w
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以上为常用的函数！
3 H9 K" _) R0 j5 @3 w# H还有很多，如有需要我把资料发到你邮箱里
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