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发表于 2012-11-13 08:48:12
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1判断语句' x! e2 ^0 i0 G4 N1 P
if <condition> then
5 @! u# E r7 A2 `! E- U: E Y* a <statement sequence1>;
$ Q" g. A4 Q/ ?$ Z elseif <condition> then
) X- x" m; |" M2 J& } <statement sequence2>;& r* J* V- A( q r! w
else 7 T3 u q4 q% D
<statement sequence3>;* l; w4 g! L6 X; m8 f6 {
end;
/ _0 j. J8 C/ p" z: _! K如果分支比较多,用:) S" G* E, S# t1 _
inspect <expression>, E' Y' d4 C8 w! f7 u; V/ u+ {
when <constant_list> then
6 m5 r6 a" x3 N" L1 g <statement sequence1>;
% y; Y. T" I( e; Q4 J Z when <constant_list> then2 Z7 _8 d" T$ Q) L
<statement sequence2>;
& Z2 K% d' l0 z- p ...
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<statement sequence3>;/ j/ o- ]+ D# h/ Q) ]3 S
end;0 l) Z* z' G- d5 q$ L; |
9 C% x5 x4 E+ h, z2循环语句% n+ S) O! Q; w2 p2 d5 S
(1) from <statement sequence1>
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<statement sequence2>;
" A& _+ j3 k$ \ K) k end;* T2 `+ p F8 a4 ~# U
(2) while <condition> loop2 A9 y2 ^. w. v" J* g0 F+ @
<statement sequence1>;
2 \$ L4 O3 ^2 g5 h0 _0 s# _ s( S end;
- Y( I y- X' G' @ R) G (3) repeat 9 F; ^% {# {- z2 h, Y
<statement sequence1>;
: o6 ?! M+ _1 k7 A# ~9 i. {1 j until <condition>;
# ~1 `* B5 ?9 N s (4) for <condition> to <condition> loop
7 r) ^' P) T7 M5 ` S5 o) ] <statement sequence1>;8 K$ U# Q7 K0 H" `9 N; i; L
next;, z5 o9 d7 m- n) \4 o, ^
3中断语句! \7 Z8 j( ?! e+ \5 r5 h' k
waituntil <condition> prio <integer expression>;8 Q. x0 b( U. |7 \1 S
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1 V! x6 O7 A+ v6 w' [: b; F+ y5 }以上为常用的函数!
; \: e/ j" X$ D还有很多,如有需要我把资料发到你邮箱里
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