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发表于 2012-11-13 08:48:12
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1判断语句 e# O0 g" q/ P
if <condition> then
6 S( @( @4 S; ~/ K <statement sequence1>;9 {$ N1 L/ h- f+ R
elseif <condition> then. Y- @1 q5 {, S |. m4 ~8 H- ^8 x6 X
<statement sequence2>;
" l( T7 O; @) D5 E% D else
/ h, n! r' I9 u. d: _+ |4 F <statement sequence3>;: H) [) Z( }2 L* R) o: [% Q
end;) \5 H1 W! z1 u5 k5 F
如果分支比较多，用：
+ D% M0 V0 H9 @. v inspect <expression>3 B. W2 g0 g; Y& `
when <constant_list> then
; P& P! f- ?4 b4 \+ I7 r6 T3 \ <statement sequence1>;
! _+ W1 h* z$ T, Z7 G when <constant_list> then$ l& W0 R% q9 T. H) ^
<statement sequence2>;
5 o1 d5 e; J; |# ]5 O1 F: R ...
! x$ \) B, D( C5 i5 Z9 X else
/ U! w& Q8 o# _; h! C <statement sequence3>;2 b$ } W2 k) L2 O) C: X' G J
end;3 n3 p$ m- X1 Y! s: ]3 n
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2循环语句/ e) `6 j" q7 i( g( o; Z+ [3 ?( ]
(1) from <statement sequence1>
5 f2 H7 a* s& J% u+ Z' h until <condition> loop
( Q7 @7 T0 K2 Y' o4 { <statement sequence2>;& y5 P* O" w1 t# @- `
end;
/ ~3 k, C/ A* A (2) while <condition> loop
; }# |7 O6 Q$ ]- B4 A6 N& ~" F <statement sequence1>;
" J* ^. Q( M8 k' ] end;
# s/ h' g1 F) ?9 L' H/ ^' y (3) repeat & Q7 ^( G1 ?6 d' @/ y
<statement sequence1>;% }' ^; L9 L' {. K: `8 K* a
until <condition>;* d0 I' A; \+ A/ j4 e. G( B& l( O
(4) for <condition> to <condition> loop# s2 C6 ^) y7 d
<statement sequence1>;
: e4 S% h8 l0 X- T4 R; t next;% A0 k9 `$ ~) _' G- H4 P1 r$ c8 t
3中断语句
5 H/ ]1 l& ^% e, Z( E5 a waituntil <condition> prio <integer expression>;& e v& g( T9 ]% ~ e3 L
, u" @6 `! G, F0 B- i! S0 F0 z- ^! ^% I6 L& u4 @- }; b
以上为常用的函数！, {4 P( _1 K1 ]6 Q- a
还有很多，如有需要我把资料发到你邮箱里
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