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发表于 2012-11-13 08:48:12
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1判断语句 B1 b; `! n5 U, _
if <condition> then
/ O8 U. K* ~% A k1 S <statement sequence1>;
% ~: I7 t# b# w4 J. m elseif <condition> then
, D7 G+ S5 _/ n' Q6 r <statement sequence2>;9 J6 ]0 l/ a9 r' H% j, o
else ( R( u; C$ E6 K! J% {
<statement sequence3>;5 k$ F6 F' `1 m# k* q1 y
end;
3 S3 b3 a8 j- I, p* J( U# }) j如果分支比较多，用：
# q5 N* O* d* G7 C# [" P inspect <expression>
2 c' r4 l2 h6 T& i when <constant_list> then% v" u. h2 |" f5 z+ l3 ?: U
<statement sequence1>;2 d! f7 j4 O. d1 V: V6 m4 [5 ]
when <constant_list> then" L! @, d3 J4 A
<statement sequence2>;
) h/ `) v1 s: `/ ]4 l' y ...
+ d& ?( b, L1 ?$ b% j else
( C1 x @4 `' b+ g0 ^ <statement sequence3>;7 e: O3 c3 i5 s4 r+ }
end;
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2循环语句 a7 H, ~ K% E6 K
(1) from <statement sequence1>
1 s# j$ S9 x& b) H# d$ Q until <condition> loop0 ^4 K& k e, a' ]
<statement sequence2>;
) |0 g0 y2 a s end;" s" M+ U4 P( C8 x
(2) while <condition> loop7 U8 H* o6 U+ Q1 s8 ~$ ^ i
<statement sequence1>;
: B a2 h N0 u- M/ q) V end;( K6 D7 t1 a8 T" ?) j
(3) repeat
3 q9 T3 E7 d4 `4 @! Z( p <statement sequence1>;
4 Z8 ?% T1 ]% `4 H* h7 [ until <condition>;
0 i1 M# y- W2 b( D (4) for <condition> to <condition> loop8 E+ l$ i: F- y7 A; H
<statement sequence1>;
; P3 p3 ]) _9 m next;
/ M4 T5 V, E! }. q: p" R$ F* O3中断语句
* L0 y) ^$ S1 M) Y waituntil <condition> prio <integer expression>;' P5 T# ` L7 B* e; w
: a7 z# z/ L3 Y: O8 Z/ n
6 ^' U" P d) r0 o以上为常用的函数！
+ @1 G/ k- f: k3 [还有很多，如有需要我把资料发到你邮箱里
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