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发表于 2012-11-13 08:48:12
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1判断语句
% {6 m8 y0 _3 K! f; g. T if <condition> then
& ^8 g9 H& s) `: n/ x <statement sequence1>;
: T5 g8 U' Y9 [3 ~$ A elseif <condition> then
: v# T; k3 `% c4 b- {7 `; I <statement sequence2>;
4 U' g ?0 G& p; `. J else ; A9 J4 Q% w# }+ X
<statement sequence3>;
' Q3 ^3 {3 L* |. p! ~. T end;# Q2 {: A: q( h4 x; O
如果分支比较多，用：2 @3 E W% u* g8 y
inspect <expression>
( |7 }0 u/ E7 u: T$ V& T- O$ q! u when <constant_list> then' a v3 _ b9 ?0 S' l
<statement sequence1>;
9 l4 |% ~2 {7 T; x1 P when <constant_list> then
+ V* m" R7 e* r4 Y' D4 V- Z& w' R <statement sequence2>;
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else
' Y" V1 Z5 u8 V2 \5 y <statement sequence3>;/ X2 U: y0 x! D: m
end;
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2循环语句; P; z0 N! X. ^; x W( T
(1) from <statement sequence1>
2 h% K6 s; N( b4 x3 B' @ until <condition> loop
7 c5 x" G' J( H' a; t <statement sequence2>;
" o1 ~* {$ q1 p+ {/ D end;% J0 C6 [9 f6 C, X7 V: t4 G
(2) while <condition> loop# w: c0 p. K' Y- } A
<statement sequence1>;
3 B7 s+ u/ Q4 z" B5 A, ~) {7 s end;0 e# P! W1 m5 r
(3) repeat
/ j: Y' g7 U# n <statement sequence1>;0 M Z4 b4 L) X* o9 B/ j; p! t0 ~; T
until <condition>;
1 p/ a+ R( W+ N (4) for <condition> to <condition> loop
. n! \& x* Y# O0 Q- T+ w <statement sequence1>;
; P: s2 N7 d7 e4 L8 g6 u( c next;. E4 {* O* j% v/ [
3中断语句/ E6 N( \" I$ Y7 ]5 y
waituntil <condition> prio <integer expression>;& x- Q" P# c$ L, |: H# N" ^! l
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以上为常用的函数！
$ n/ K; @- s5 g! E0 Z+ C$ u0 ^2 v* v还有很多，如有需要我把资料发到你邮箱里 ! A% \" M4 N8 ^. m( B
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