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发表于 2012-11-13 08:48:12
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1判断语句% X7 e- a& [7 d
if <condition> then
& |/ S. }9 b$ O. j/ T <statement sequence1>;
5 f! {, [3 [5 ?3 z$ T" a8 x elseif <condition> then
: P( L! Z7 e7 x <statement sequence2>;
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<statement sequence3>;; V% `) ~7 F2 b4 }5 W
end;
) T/ M0 h' R6 C6 C" P, y6 B j" ^如果分支比较多，用：" L% f( y# `$ W1 ^& n% `
inspect <expression>
, }6 o# g2 r8 U/ n when <constant_list> then
) S- ~9 ~ K, U' a! Z <statement sequence1>;
% | J. f0 J H8 U1 I4 H when <constant_list> then2 ]. p/ g! r$ t- v0 f8 s5 C% C; [
<statement sequence2>;
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else
! i t7 } k) M, ^2 L+ f3 h <statement sequence3>;, M- h8 V4 F; k) n6 `
end;
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2循环语句2 |! Y3 o, k7 p$ H& }8 {% e
(1) from <statement sequence1>5 U7 Z$ A8 K1 A/ J
until <condition> loop3 o- ~$ n# o' i/ I$ J
<statement sequence2>;6 H5 N6 t: B/ m$ J
end;
2 W, Q* W( w1 c9 f8 J2 g: H; ^ (2) while <condition> loop( N5 H" a$ J- N: ]8 A, o e
<statement sequence1>;
2 Q( e7 x# _6 U% v0 @* x6 N& C: b end;% ?8 @1 P8 U' `3 B) N T2 P! N. |
(3) repeat
1 b6 s1 X5 D2 t( `- f" g; w <statement sequence1>;- C8 `0 V' F W" D3 P3 L7 b- S' N
until <condition>;
! D( {1 u6 k3 O" `2 s2 ^ (4) for <condition> to <condition> loop
# Y( I4 k3 b) V, \( N% f <statement sequence1>;
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3中断语句
9 w. h4 X+ D7 H# m# J waituntil <condition> prio <integer expression>;# z y3 [' t7 M- F/ Z
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以上为常用的函数！
# }9 K* I$ X. e" X还有很多，如有需要我把资料发到你邮箱里
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