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发表于 2012-11-13 08:48:12
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1判断语句
* z8 } }* Y6 T4 A if <condition> then/ N0 P$ c5 w- }. G
<statement sequence1>;
$ x6 u, a1 Z0 n elseif <condition> then
5 f1 A8 L# b5 O" b7 N! N <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：: ?3 R0 i# X; Q2 U0 T0 [1 a
inspect <expression>
5 J1 N, s) O, M3 x) C% c! P+ i+ b when <constant_list> then
7 @6 @& p9 B7 q <statement sequence1>;
: s" t/ p! o6 R- ~/ S' k; E when <constant_list> then
! w& Q& b8 I) T& c7 @6 h3 Z <statement sequence2>;
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else$ m" c& Y7 t* h5 W. p" b' F: c
<statement sequence3>;* T8 W+ R0 N2 t
end;
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3 n( v# m N7 N/ ?7 _2循环语句
( Y8 j: _$ f0 E" F1 A. i (1) from <statement sequence1>" B1 R; q- H& H$ E" R8 }5 |
until <condition> loop
P `6 m! e# T" ` <statement sequence2>;. M" }- e3 j+ d, T
end;& n0 e7 A' G5 J& Q0 l4 ~9 r
(2) while <condition> loop
# S0 \9 l) m- A1 K3 [( ^ <statement sequence1>;$ F+ l* i1 _/ n( D# |
end;) e8 n" ^. r7 g$ J, y8 }
(3) repeat
! u0 O( ^/ _- D; i. l$ Z <statement sequence1>;3 J) U: _! V* \9 \8 o
until <condition>;
$ f; q9 D" o1 _( Q0 R( L! P7 j7 R1 T (4) for <condition> to <condition> loop. L8 G' y" n; t* c6 m6 L
<statement sequence1>;
9 ~0 @& z! D+ S$ T, H next;
( j- w$ y7 Y3 z3 o3 L" x3中断语句; w7 t' W0 K; h4 H4 M
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( h! `% s8 R6 K) i$ X( y1 M还有很多，如有需要我把资料发到你邮箱里 7 G0 X+ Q& H; O: o4 k
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