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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
* X3 Z; r" b$ l: r8 R if <condition> then: ~4 {. Y5 w7 e5 T. f# i
<statement sequence1>;( b: E7 w0 p" ` j0 Z
elseif <condition> then; L. p8 v8 y. e* A1 O' @- K
<statement sequence2>;# U+ G$ X6 V4 L6 U0 p" L/ u5 l
else
/ q8 L/ y+ U( u0 W1 ` <statement sequence3>;$ Y q+ k) R9 d3 r
end;
) X0 e3 ~" _' S; K如果分支比较多，用：4 N+ w+ t# y* L) F' d1 [9 l2 i
inspect <expression>; n- t- b6 h% P
when <constant_list> then
* R* Y- U2 V3 u$ a; I <statement sequence1>;
$ W: ]/ y6 j! A" M when <constant_list> then
7 M( ^7 P0 E r1 f2 M" F+ ^ <statement sequence2>;
R2 I+ H- m) Z P4 I/ f ...; w# B. Z! t, [; W' z4 V9 S
else
% C- B( \' @6 Q2 j* z# t! N <statement sequence3>;1 D" Z! m3 I$ @' b u$ x/ T$ E+ J
end;( K. b% g) G" M; z3 \4 D
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2循环语句
3 m/ y; ^/ s( B+ I( i# b6 p (1) from <statement sequence1>
: }/ t5 \5 L- B* d" n3 ~" g5 p until <condition> loop
" p4 m+ R: E9 l4 W4 w <statement sequence2>;5 r8 r+ t: M, \( |% A
end;1 @& }3 |# X6 q6 R, n
(2) while <condition> loop
! ?9 @4 Y; H3 C( b# n. b <statement sequence1>;$ c+ A% T; {6 @! f4 T9 h& F. i
end;
' ?5 [ `$ ]; O (3) repeat 8 N; u* c4 R' b( m
<statement sequence1>;
6 ]$ t1 x d3 @( c" n3 B% W3 k: U until <condition>;
5 f& l1 h: H* Z9 S/ E (4) for <condition> to <condition> loop' A. R+ I8 J$ B2 T+ u) d' I" f
<statement sequence1>;
: @: I, e v* W1 e; { Z next;9 o( e( @ M5 O9 g: [
3中断语句
% U. g& P9 O' H9 Q( Z waituntil <condition> prio <integer expression>;
! Z; T4 O5 s4 Y1 c, B, d" a# j- p) R5 X. [2 o) s. {
: y) }! }- \- a1 E$ L以上为常用的函数！
0 S! B* t4 X/ f1 A, a还有很多，如有需要我把资料发到你邮箱里
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