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发表于 2012-11-13 08:48:12
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1判断语句) b, |+ I9 W; Y" h7 V$ m- j* X& P
if <condition> then8 {1 \9 d' F% n1 D
<statement sequence1>;: f9 u+ l x: h5 P2 h+ N- u
elseif <condition> then3 J0 _! A- e0 Q4 H
<statement sequence2>;/ ~' ^# h; E5 p M7 O3 Z& ~# k
else
8 ?# z2 G$ d4 z5 G5 t1 f. _ <statement sequence3>;3 z7 d& n4 ?" l! |0 f+ d3 s
end;8 M, D2 g. a1 n& Z- H8 v. o
如果分支比较多，用：
: S: s/ W) x% ]3 G+ M inspect <expression>6 b3 L: g& s6 N, v
when <constant_list> then
( y5 o- q. k: G7 @0 u3 l <statement sequence1>;- k! s! J: B8 s8 v' S
when <constant_list> then
% s. o) ] ~# w- \* h4 K z( \. U <statement sequence2>;7 h+ A7 i/ s$ A$ t( d+ k5 z* G0 y
.... ], L2 C1 f" p" b8 d( }- Y
else
! I4 L: R7 p5 F9 `7 B <statement sequence3>;4 i7 V4 p G) \3 }" e
end;1 v3 p, ~7 s8 |, a
9 f. O4 f/ l) M( c6 ]/ x) x2循环语句% H/ R) A1 k! Y- H" g
(1) from <statement sequence1>, Q( i$ H. a( `7 U( W" B; u0 u
until <condition> loop
4 t: A2 e0 L3 H <statement sequence2>;
+ |2 g* w, R, } end;
7 r& \' I, x, [% i (2) while <condition> loop
" Z( M- N2 [9 X- A! M <statement sequence1>;
! t' j8 H2 x# Z+ A( B+ W t, L end;) }; z: m0 p- g% w7 g, v8 W* g
(3) repeat 0 u! _- S! _+ g+ G( T0 J4 J- l
<statement sequence1>;
: R! o$ [7 M" }0 k until <condition>;4 k7 O! c8 o, U5 p; Z& t
(4) for <condition> to <condition> loop
& R8 t' I% u# R) | <statement sequence1>;
J0 E- x+ F/ p0 M6 N next;
* L5 B! w, m5 l3中断语句1 A6 h! H9 z, ?9 \' h
waituntil <condition> prio <integer expression>;2 D( b. W k: G4 b
3 m2 v4 r# k) q' a8 U3 ^7 P
/ E4 y+ o+ E3 ~' D; _' Z5 Y# x以上为常用的函数！$ Y! n$ {) S' C. Z
还有很多，如有需要我把资料发到你邮箱里
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