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发表于 2012-11-13 08:48:12
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1判断语句; u( f8 j/ i) K. N+ _
if <condition> then1 m, B) A" z; p6 _$ W; g7 G
<statement sequence1>;
$ V: Q2 N6 ]1 G1 g elseif <condition> then. j& D3 t+ V; k. k, W- u n$ k) P) J
<statement sequence2>;3 v6 t2 ?. Z, @* ]0 l( ]
else
. W# U' D# a. z x <statement sequence3>;& a* E, }" h: c* ]" E
end;2 m9 U0 u- c) }2 f; o
如果分支比较多，用：
0 Y+ I& f) V8 e& W' Y inspect <expression>. @ u3 S/ h* W8 x h/ k& V
when <constant_list> then
- o4 R8 m, B( r8 W7 a" _ <statement sequence1>;. ^3 A' r0 P% y! V' F4 u9 f0 g& s
when <constant_list> then
+ W9 R: j6 T- L0 g l <statement sequence2>;1 r! o2 y0 {$ \& u
...7 Y5 v& R/ D2 T$ a
else
& b8 j0 p: J1 j <statement sequence3>;) [1 I; e6 C+ ^. e2 q7 V; [
end;3 I4 z$ B0 G8 g: w5 \ `6 j& v0 W/ h
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2循环语句7 F6 J9 @ C- G
(1) from <statement sequence1># _( g- L" P! x0 K
until <condition> loop9 m$ @5 Y- N8 S
<statement sequence2>;$ t0 {. B" X. }2 K
end;
6 i# f2 s' I$ c- W# ~( Z( e (2) while <condition> loop& O l+ ~, D+ B3 d
<statement sequence1>;
, E3 d7 p1 Z" F2 ]- p4 c end;1 o: t3 i/ v! p% D
(3) repeat / P# S. Q) _: C
<statement sequence1>;
K' f4 o5 T0 ~: ?: k. P5 Y% g6 p until <condition>;( z, k" D+ J3 y! v9 u
(4) for <condition> to <condition> loop% `9 X2 P! c. r: [: z
<statement sequence1>;' ]4 x) f2 g, l
next;6 Y+ @/ Z' S6 e/ ]( P
3中断语句
* E) u3 Z. x% _2 I waituntil <condition> prio <integer expression>;
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以上为常用的函数！
8 K" S/ c7 E0 J9 v. p# k还有很多，如有需要我把资料发到你邮箱里
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