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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
! @' c* j8 @2 a7 Y! @ V; J' D if <condition> then
; j: X$ h- i( r8 o2 K9 k: k <statement sequence1>;
9 Q! F6 i8 m9 R$ c6 k8 ? elseif <condition> then
+ j( C& E/ @* P7 @ <statement sequence2>;
1 J1 j/ \1 i: [! {6 J$ N7 Q& ` else
) c1 V. q e( E! n- s: w <statement sequence3>;
: T: A8 O. v) \2 A! r end;- r* u6 {+ ?# e* N
如果分支比较多，用：9 h3 S( m$ |! A0 a
inspect <expression>
2 F$ u, s6 q5 p6 @/ {, E3 t" D" f when <constant_list> then
+ e8 J7 t' [: A <statement sequence1>;- {7 ~2 ^4 I/ M8 @; t
when <constant_list> then; q, j3 x( F$ i$ l: _
<statement sequence2>;1 Z4 X/ v# {5 \' A. [" N* ^
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else
4 I" {- ?# h+ J2 p; @ t* j <statement sequence3>;, z" U7 G' Q6 ]9 I! t4 K. E
end;- v) e' A& i( ~: p0 W/ c6 |& K
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2循环语句
4 f) K9 f; J- {: @: m# J( V (1) from <statement sequence1>
9 x/ G; L' M6 f, ^1 R/ G until <condition> loop; s# p: F7 G6 J7 ?5 d- @
<statement sequence2>;( r, o8 ]) n4 v& V) l% ^6 y& ]3 n- x. l
end;
% P, s3 a. A) `0 Z5 h1 R (2) while <condition> loop
" r" N# [0 P! I3 x. q: }' D! H <statement sequence1>;9 g! `6 [ e8 F) j( A
end;$ G3 x1 C; d! e# S
(3) repeat
0 w) k ?) ]9 @7 e2 g9 | <statement sequence1>;
1 F# o% O1 n `7 s# L3 N b until <condition>;+ h1 s" R1 @* O5 d
(4) for <condition> to <condition> loop
" e5 `0 Q& \. _9 Q& e1 p! i <statement sequence1>;
4 N, n+ @0 \' B& f' e next;* z) Y V" l# A1 V0 z' @0 C+ C
3中断语句4 I( z: ]0 s) Q. S" X' ]
waituntil <condition> prio <integer expression>;
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C1 i0 @6 X8 d/ b& f% ?以上为常用的函数！
. p6 h- D" h1 m" e# i3 T还有很多，如有需要我把资料发到你邮箱里 7 b6 x. l: @! R' c# A( Q3 y
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