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发表于 2012-11-13 08:48:12
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1判断语句
2 |2 Q: r3 ^3 `4 f2 I# ~ if <condition> then
3 b5 T/ {' f* W$ C <statement sequence1>;
" O3 U0 w; C o1 c elseif <condition> then
* Y: J8 D" F( B' ~$ O <statement sequence2>;
0 W7 d M( N- b else
8 ?9 Q+ [$ B: z0 H' i, k <statement sequence3>;& k9 J; Z# `! \! L( k6 t4 M
end;1 C+ c* d. h: o( I5 t
如果分支比较多，用：; a6 a; _* A% Z8 M6 p& g k
inspect <expression>1 n5 N9 U, D) T$ o. y" K5 r
when <constant_list> then
8 U$ Z0 @9 A O9 z$ m8 d' g: K+ N <statement sequence1>;9 V( f" E% n8 H$ b& B+ n9 O0 p- ?$ B
when <constant_list> then9 I$ q7 }8 w' n
<statement sequence2>;
. U# ^/ d" m0 i; `0 x; z. e* M& [ ...
' C2 o9 h. x& c else( ]5 G/ j6 y/ U% v/ e' z! i
<statement sequence3>;" Q" k' R4 W" k0 ]1 W* K
end;
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2循环语句3 q3 @: D+ t! C b* ]
(1) from <statement sequence1>
0 J+ f! M. [' }3 U- ^, l until <condition> loop+ L* N" s2 }# B. o$ V
<statement sequence2>;
# p. [) t. B4 z3 V; b8 ^& m end;
2 h8 }' i7 D! I4 t. l (2) while <condition> loop
4 B, b$ i3 |2 C <statement sequence1>;; F& I# D4 j! c9 |1 @* S
end;
: r. J4 x$ n' I (3) repeat ' p( }( q. D, a: U. z# e3 e
<statement sequence1>;
8 G6 q# y! p" p6 z! o. B/ h- { until <condition>;6 ?( e1 y0 E& W8 J# r/ P( ]: t, T; I
(4) for <condition> to <condition> loop
# J" j3 |" Y) O+ p$ H2 d/ K <statement sequence1>;
' l+ l3 h0 J5 W6 Z next;
" q7 W' F& b$ E% G+ Q! F+ `$ p3中断语句: A/ }) o# U4 a3 f o
waituntil <condition> prio <integer expression>;8 d+ T2 V8 h& j4 d# `7 e5 p
) O3 _% g# W# b
: V+ |9 t9 }1 y) {$ _% [' w* K以上为常用的函数！ _: ]) X4 a! e- ?* e9 N- n+ Q
还有很多，如有需要我把资料发到你邮箱里 - E1 V! n# [3 t+ h" V
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