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发表于 2012-11-13 08:48:12
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1判断语句
& F* { B" \2 n* E. G. x% ` if <condition> then% E/ c! P2 m* G; I
<statement sequence1>;" k: e4 O3 }0 ]$ c' M& l, O
elseif <condition> then9 I# Y; N: A/ M( S+ f2 G+ j5 J
<statement sequence2>;
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6 j3 P7 u" D) q* K! G/ G <statement sequence3>;
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如果分支比较多，用：
4 |% q3 [' X) m* Q, I, [- i inspect <expression>4 R3 B+ D7 b, s; m$ ^& N3 Q
when <constant_list> then
/ i3 }7 ^# @8 h2 R( K <statement sequence1>;2 Q6 h% l, l. G8 ]# e
when <constant_list> then
4 ^( S7 M/ @1 ? k! u+ \4 R9 s' b <statement sequence2>;5 w4 ? g3 H, |6 S: q4 |' i( u3 e
...
# m8 S0 [) h" X+ G% l5 S else
6 r; A+ o1 X1 S# B1 K <statement sequence3>;
( b8 q' T2 w. x. nend;6 S" s2 W5 |1 K0 k- w' q8 W. a
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2循环语句 ?! ^4 @3 R3 T+ \5 e
(1) from <statement sequence1>
) R7 i" k* S: j+ g% `* x until <condition> loop
9 O! C) w* S3 ~( g* r. ] <statement sequence2>;
3 i) U4 N( l, i8 j end;6 f9 f; R% y2 `0 A
(2) while <condition> loop% a, E4 F- G6 h3 M) U# j3 \
<statement sequence1>;0 E/ W9 e: q( Z0 H+ S% ^' q
end;
7 i1 {/ u) S8 ]7 H8 ^8 W8 x (3) repeat . X7 v8 E3 c5 j7 f- q% j7 y7 M
<statement sequence1>;" H" h0 Q9 ?- A+ B$ Z0 h
until <condition>;
' i$ s% L% c, ] L- z. U4 a4 `' @$ Y' i (4) for <condition> to <condition> loop
, U6 r+ B5 [ m. i0 F( ~, m) [ <statement sequence1>;
6 W" j4 ^3 V' o {5 Y next;
7 A5 G% Y) k. z+ Q9 u3中断语句8 H- t) \) F" N' o$ o! H0 `) A
waituntil <condition> prio <integer expression>;
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# s3 p6 |) L' J# k5 N, a3 S. S4 E以上为常用的函数！
q- Y+ l7 |! v还有很多，如有需要我把资料发到你邮箱里 0 {; N9 Z F! f+ o
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