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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
+ M7 d$ ]1 S- i6 Y4 l if <condition> then2 V C" _. u5 Q( E, C: t0 t/ S
<statement sequence1>;( m, x) l5 h/ [0 u: \) G, Y3 k
elseif <condition> then$ Y' ]6 B2 s @" i9 M/ z1 a4 h
<statement sequence2>;' p1 S: _7 P, d9 w4 ~: } x
else 9 f3 l2 r1 v" l
<statement sequence3>;
9 |5 e% v; X9 R) t) H9 I( C0 L: x end;1 k% [& I+ f; I% _/ I
如果分支比较多，用：8 j7 u7 P4 [- J0 w2 U( ^
inspect <expression>
! H* J! B9 B, x when <constant_list> then
3 d9 B0 F, d8 Q+ } <statement sequence1>;
' y* |- D1 f b( p' j% T* {6 B when <constant_list> then
0 X! V2 C- h" b <statement sequence2>;
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else
B H3 _6 o3 p/ d [' h <statement sequence3>;4 ?9 e4 L J, Y: B! b
end;7 y0 R! ~7 x% }1 L9 R3 O
1 W- K5 [( v' r# ]9 V& M" s2循环语句
% {9 l! W1 m& P (1) from <statement sequence1>+ \( J6 a& f9 G% h
until <condition> loop
2 A: z, {4 D! P <statement sequence2>;
]8 T& w1 J8 `& f0 ]9 Z end;# e3 P* x- u6 _9 ^: A9 l
(2) while <condition> loop. b3 S3 |* z% Z2 D/ |+ O" K$ P1 \
<statement sequence1>;
$ Y' w1 G* t( l8 d, s end;
/ F2 j* `/ j S% J6 j. R8 p (3) repeat
% x: K M \; Y7 Y <statement sequence1>;
1 \ z" B# p3 q* P until <condition>;; }( H& X9 `- _7 |0 ^& o% h8 `3 }% u2 [
(4) for <condition> to <condition> loop% Y% H: G; k, c C
<statement sequence1>;1 w Z$ V0 @; a. o2 o4 t
next; D I6 u5 V- z* f) ?
3中断语句
; S4 M6 r5 t6 U1 P! Y% P9 } waituntil <condition> prio <integer expression>;2 n7 W# M/ H% Z* L- l u
# @- C+ a: {$ r2 ]. m+ m( T5 b7 _" L
以上为常用的函数！8 ?: k j4 N4 A
还有很多，如有需要我把资料发到你邮箱里
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