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发表于 2012-11-13 08:48:12
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1判断语句4 x: d- Q6 _& m9 U
if <condition> then" y' X; H( o) k/ N: ?; {9 \
<statement sequence1>;
: r, `1 \& A( D3 N elseif <condition> then2 k- J5 e M( o, X0 O% Z
<statement sequence2>;
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<statement sequence3>;+ P$ c3 @( ?/ z' j
end;
2 w K7 g# h0 I0 Z7 S- B c( p8 ^* O2 ~如果分支比较多，用：
' b+ y, B' D: I9 i9 n- x* A inspect <expression>7 o, _4 p/ T% p% l+ U, \; ~
when <constant_list> then$ [( a( O. l& m
<statement sequence1>;
# V) @# j* L% |/ w when <constant_list> then
$ l9 _' o# Q5 @' W, c7 f1 C* [ <statement sequence2>;
& A5 n S" c. n5 J, K ...
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<statement sequence3>;% J" R% E8 E" o; J( x
end;
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2循环语句) k4 y5 X$ g" x7 P+ A
(1) from <statement sequence1>
5 ~% A8 ]- X( Y5 k3 g, t until <condition> loop6 ]/ f0 m% n Q" s. d* J
<statement sequence2>;
% J! I' R) Q/ L, y+ m- c, x end;- p% H, f8 Q& q2 L2 `
(2) while <condition> loop
4 m* O4 u' h- r' C! i: ] <statement sequence1>;
# J0 e- c2 }# p6 A( h- G! P end;9 m# N5 u* f, \7 N
(3) repeat
1 g+ s* o% m/ E* J8 ^% m <statement sequence1>;
0 g* H' W1 [' `0 U, l$ ~3 K( B until <condition>;
. z* ~ _2 E: L# [; z9 j( h Z: @ (4) for <condition> to <condition> loop: }. Z* g* g) U) k/ E+ [
<statement sequence1>;
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3中断语句' ^7 A# S! M* N" h. x/ T
waituntil <condition> prio <integer expression>;
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6 n* W u# G# Y5 ?* q5 [以上为常用的函数！
' E/ s, k, F4 g- ~: T, |+ N还有很多，如有需要我把资料发到你邮箱里 : t$ z3 P9 k- o# w q
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