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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
8 @! A! c; e4 w8 v if <condition> then3 f' E+ o O M
<statement sequence1>;
! J2 O9 k. h9 c! N elseif <condition> then
9 M( o3 N& ^, o/ {, U- K! t <statement sequence2>;8 d+ E/ Z! U% N
else & `9 p4 x* y, a, S
<statement sequence3>;
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如果分支比较多，用：, e8 ]! U. |3 ]0 g- i
inspect <expression>
# \" A( y$ q4 Z: i; c when <constant_list> then
3 g) C+ l6 V$ p2 L1 N1 A* y <statement sequence1>;
# X8 |9 f4 ^; o& f) ~, E* o, R when <constant_list> then) v; F$ E0 |8 }
<statement sequence2>;
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else
/ u, a) a7 A U u2 N <statement sequence3>;$ _( E# g0 @6 r$ c2 \
end;' ~0 x, f O& Y9 T
5 x3 K) w7 G' A
2循环语句
$ J1 n+ i; _# A# q% p Q (1) from <statement sequence1>
) n" p! A3 T5 s/ |$ E H until <condition> loop
* w$ |, |! {, S/ V' Y3 |% d <statement sequence2>;: o1 y1 G5 a/ }! R: Q4 t/ j
end;
) V4 _% _# m5 S$ {' b2 R: W (2) while <condition> loop
* F( J3 L& C2 T1 s6 S) N9 o <statement sequence1>;) J; u+ t! D" R
end;0 f, w A# d6 x8 J* X& B
(3) repeat
. r$ F5 ?! H& B$ t7 S7 ^6 j <statement sequence1>;& K$ Y. z5 ~5 E4 Q+ H' w
until <condition>;
( _: ]! H+ \) X' J, e4 s* y (4) for <condition> to <condition> loop3 x. N/ b; T5 ~4 ~. N
<statement sequence1>;
) l7 | ?. s/ W. r next;7 |# }( k! C* W$ X
3中断语句
$ b4 P3 o7 F( `! |9 ? waituntil <condition> prio <integer expression>;
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0 n5 H. {$ l" ?7 c以上为常用的函数！! o5 S1 R& H% u9 V# T/ G W, R
还有很多，如有需要我把资料发到你邮箱里
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