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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
4 a. ^! C* P6 X! u! ]$ S4 r if <condition> then
, v; g7 W+ ]5 o- s9 Y( x* M4 l <statement sequence1>;, s$ x5 \" {$ V
elseif <condition> then$ W: z( {# g% T+ @' A- l
<statement sequence2>;0 R g0 y7 z" p; p9 y
else ( I! h2 e$ P3 |# x" f6 @; q+ d
<statement sequence3>;
: w- B' ~* ~8 d) U$ e7 @3 `. N" r end;
4 E+ q! Y5 R, y- I7 C如果分支比较多，用：( d. v; a3 M/ g- E7 s
inspect <expression>
8 t F! H! O6 g4 z& L% {4 W- ^" D when <constant_list> then
; r) r$ s# S/ j4 [$ C( v M9 _ <statement sequence1>;
0 {$ x" R' m2 |3 f7 \; W2 P) P when <constant_list> then
2 _% T; P) S7 j& J, S <statement sequence2>;
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else3 m% U7 z5 R; v7 H# v# F) M
<statement sequence3>;' x- k( I( @6 g, F
end;9 T- g, [/ u# e+ u9 O5 X
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2循环语句
# y9 Y& s$ _4 i! I" @ h& e* R (1) from <statement sequence1>) l8 }% F& F3 J, O5 U; E( t" ?
until <condition> loop
) h$ r# T* w) p0 b% W <statement sequence2>;. Q$ l( d& j1 h8 a: K3 f; L
end;
" B5 i. V7 a5 j. O1 ]& R: U (2) while <condition> loop
# o6 f3 T: J M1 i* Z <statement sequence1>;' G) v& J1 W) \- Q/ y
end;6 n9 Z- F- t6 C/ D9 W5 V. F: O. h, j
(3) repeat & W8 v) {) O G' p/ P! L
<statement sequence1>;
" @/ Y8 W& v2 t" u' \/ E+ S until <condition>;
% m4 K. Y& _& ?, R+ G (4) for <condition> to <condition> loop
5 D# O. _3 t. z <statement sequence1>;; y7 \! L) x3 t k! M1 }" O
next;
" ^4 ? @* T( v! c' E; V7 W- q3中断语句7 @+ ~# q. V; B s6 R" f- ~" S+ [
waituntil <condition> prio <integer expression>;$ u! m. o5 |% Q( L8 k
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$ x- E8 i, U; Q$ @7 L+ r& x5 _
以上为常用的函数！% w6 O! m* {# }3 s4 C7 A* o
还有很多，如有需要我把资料发到你邮箱里 + L, h5 G3 }5 d- U# T, H+ |+ ^
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