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发表于 2012-11-13 08:48:12
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1判断语句
+ B. K8 j8 ?8 ~ if <condition> then
+ [& N2 |. N8 ], d/ M: A <statement sequence1>;
2 R& r" F. J1 W f0 N" |( ?% |7 T elseif <condition> then3 l1 x; [' x" M7 _/ ~
<statement sequence2>;
$ @) Q- N o0 W9 c: J5 t0 G" A) f" ^ else
$ U) Z/ M0 k/ m {3 E <statement sequence3>;; _9 M- Y e8 e& a
end;1 t9 D3 a# S& h+ O0 f
如果分支比较多，用：& R7 [" x9 n5 H$ o* q K* f0 R0 ~
inspect <expression>& w* W4 L0 ` f2 G! m+ ?
when <constant_list> then
, K5 J4 N* e# P/ H& Y# M4 u <statement sequence1>;0 D% B u7 o+ w, @4 s" A# |
when <constant_list> then
* A7 H) G6 p+ R, O- P* V0 B <statement sequence2>;/ r6 y) i( ?/ B' Z) i0 V$ d9 |+ ~
...
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<statement sequence3>;2 | v6 d. ?5 T
end;
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! t! Y) \ y: D/ @+ H, D1 w2循环语句
! e3 w! |+ }+ i Q' m5 \/ i (1) from <statement sequence1>
& t4 s, f) ?0 G) O& O. [* @' R until <condition> loop
6 S9 V3 Z; h) L0 R4 t <statement sequence2>;
" e. }3 u' ^+ _, m8 G5 y end;
% ^9 |" I7 h \6 |3 `! c0 `6 g (2) while <condition> loop6 x/ l* R% j+ v' g8 X, G: C
<statement sequence1>;8 j7 o5 q7 k' r' P, O: d; R: ?' c
end;
, `3 u- c7 P A. }5 ^$ { }. R (3) repeat
% a# O7 O( J) D$ G <statement sequence1>;" j: W8 k2 ~& _) Z4 F3 ]. u
until <condition>;* q& i, Q2 Z" J9 W
(4) for <condition> to <condition> loop) ^) q3 T' b4 |2 ]1 p
<statement sequence1>;8 u! d; }3 O C% i3 i6 @/ P
next;. S: f: q% G2 i) Y1 A3 A8 w1 I
3中断语句
( e5 v) M6 ?1 G1 N waituntil <condition> prio <integer expression>;# ^ J+ P: a8 c5 E/ ~8 D) G
+ t" S" ^- c* \
0 w: J( |% x) P+ e! T3 ~0 e以上为常用的函数！, ~7 V% T% X4 @& T+ `9 U' {
还有很多，如有需要我把资料发到你邮箱里 # G% q/ O+ Q- c# {
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