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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
5 b- {* S$ V& I% V0 L1 V4 F% a if <condition> then
4 X! s7 p+ ]/ H! e3 Z/ [ E <statement sequence1>;# T5 c( v. e+ p- F/ w
elseif <condition> then2 Q) x& {9 _- [7 n' M6 k
<statement sequence2>;
+ M8 R& K* Y4 j+ p8 i) u, t, I0 | else ; Q, `0 x) h* d1 C1 P' E
<statement sequence3>;
% V9 \( B# P5 z! K' D- t end;+ Y7 _/ W' u* x1 F# A, |
如果分支比较多，用：
: D9 F O6 ? f0 l6 X( A2 ^ q( w inspect <expression>8 r9 V! }( }% W% u0 P$ {) ^* O$ f( {
when <constant_list> then9 A c4 G/ t3 E) N1 f
<statement sequence1>;. E% x! ?6 y4 s+ n7 ~+ v. f" i
when <constant_list> then* b+ g h2 W4 ^+ p
<statement sequence2>;1 Z0 b. F; `$ J9 m0 L6 R' Z
...
9 y' I2 E; c( {7 R" C, @ else
! m2 a5 P1 C% X7 C! y) n <statement sequence3>;
' h" @! F& g y5 V* B) F Lend;
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+ X0 I1 r/ q' ^$ T! p; \& }2循环语句6 k5 F. X* W: X" z
(1) from <statement sequence1>
i1 l# g) i' W until <condition> loop
0 O) e. [" b3 y. Z! a+ B <statement sequence2>;( O7 M# @; k N/ u; \
end;
. i5 M: a& v5 g6 @. J% o (2) while <condition> loop- l; y+ C% t- }! S+ k* h! T) a: J
<statement sequence1>;
$ o+ b: S6 l+ u, u3 H end;
3 N4 E6 [" {% f3 s% C0 m0 E (3) repeat
8 Q0 i% L( f& `8 |- m! u6 N <statement sequence1>;, d& n H% \8 a$ Q, L
until <condition>;
5 I) d3 c9 x( W3 L" d$ |: W (4) for <condition> to <condition> loop
5 w) b0 ], ?6 o4 \- m. v! t <statement sequence1>;1 E, o5 v6 [3 ?, `* T
next;1 G+ t7 m4 s, F9 \: d
3中断语句
# f( W, [8 D' l7 g4 W waituntil <condition> prio <integer expression>;
5 u; M# j2 z" a9 p/ D2 @0 c
3 v, f5 \$ z4 }3 t2 c7 O K, w4 Q3 E
以上为常用的函数！
- ~- g: r9 L/ N; h2 F还有很多，如有需要我把资料发到你邮箱里
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