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发表于 2012-11-13 08:48:12
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1判断语句& @/ {4 M1 B. ~, W @; Z5 {
if <condition> then, G1 G) m' _* J2 V5 i2 l8 L ?
<statement sequence1>;( q) J4 I, X5 c+ T
elseif <condition> then
$ ]: G1 Z4 y, @5 l <statement sequence2>;5 L) X5 \7 {2 T: W* n
else $ B+ K" [; Y% W& `" j# E/ P
<statement sequence3>;
9 Y, i" o' v Q# z7 j end;
; k- P% W# @# W ^: }如果分支比较多,用:
6 J% t# V# \2 E8 a; {# \' L7 Q inspect <expression>
1 b' M( F" @) Y* H( @. V; | when <constant_list> then A4 k$ _( ^& ?( I
<statement sequence1>;
4 y- k3 A* c; N$ ~; A- m when <constant_list> then7 b8 h5 X! D# r4 Z4 a
<statement sequence2>;# {0 ?) M( u' E% ]: ~
...# G2 s8 v" c m/ m# [
else
4 L/ q0 o* M. y$ F- F( R <statement sequence3>;
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9 _/ o* H3 F8 o2循环语句* V3 M B7 ?+ i& N* P' h0 [
(1) from <statement sequence1>, A3 F% z V% b$ t( o) V! _
until <condition> loop) r# b8 a5 T$ F4 O9 k( R
<statement sequence2>;
& l+ J3 M: x- h! h, n end;2 {3 I. K4 K2 g6 I3 t* }2 W" M
(2) while <condition> loop
# j& O2 C& M- U) P <statement sequence1>;' n# @" x, E% V! t. g8 }
end;
7 X, Y" [0 M' Q6 _* ] (3) repeat . z& u4 r1 V& h
<statement sequence1>;
: c$ V5 d$ X+ M5 y& H until <condition>;1 P$ t( t1 |, z) P5 T% Z7 q6 Z
(4) for <condition> to <condition> loop
8 M( h8 p9 w, B* u0 k <statement sequence1>; m# z# o' u; |/ l+ B, }
next;- J! }: H6 N* Q- M( C# w1 c) N% ]/ P
3中断语句+ ^7 t1 k1 a. L' }
waituntil <condition> prio <integer expression>;- m9 X/ K5 Y3 M4 A
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以上为常用的函数!" z/ p2 ^: @: v; v3 `
还有很多,如有需要我把资料发到你邮箱里
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