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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;2 U5 l) T6 g1 x6 X% E0 v
elseif <condition> then
3 l, C* e6 }7 J+ | <statement sequence2>;) [7 s) u. N. N u( o
else " Q, A. t$ \! ~
<statement sequence3>;! y- m1 N, V! O
end;: _5 _' Z" W B. ], I* K/ }# p
如果分支比较多，用：/ ^! l% c1 _3 K. y% r/ f
inspect <expression>6 u1 A2 |; L$ |6 l
when <constant_list> then
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when <constant_list> then y5 ^3 b2 j0 c2 T* ~' x& C
<statement sequence2>;9 Y9 {1 L, a+ P8 C
...
+ V' r" S0 {/ ^* u7 T else
, v* ~: J1 b* j/ | X <statement sequence3>;$ p0 `- x; g. S2 w( K6 u
end;
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2循环语句
+ ]0 X0 g' ~" o4 X% z6 S (1) from <statement sequence1>: E7 E/ D8 K* @: r' A) k
until <condition> loop
. j( W4 w* u/ A- ~6 z- x9 L <statement sequence2>;
9 q! I: q4 h' h2 `8 c) k. D2 ~5 B end;
' _$ M. K+ M, n! l7 S6 C% j (2) while <condition> loop5 Q6 q# b+ c% }+ V
<statement sequence1>;- b, U! M0 \: B4 E( g2 V! Q7 `6 i
end;
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<statement sequence1>;
: S; _' K2 S( m0 Y' X# m9 Z$ z until <condition>;
/ V) c2 W# r8 N9 l& @3 N9 O (4) for <condition> to <condition> loop
. f) e Y3 y6 g) s <statement sequence1>;
6 o" L0 B/ _7 Y next;
5 P$ x; N; a6 w/ L3中断语句
- Y! N/ p: ^- Z) K8 w6 z waituntil <condition> prio <integer expression>;
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( ^4 F9 G6 G4 g' @) ?$ z; p" ?以上为常用的函数！) y8 y) @. N# k3 t6 p7 e
还有很多，如有需要我把资料发到你邮箱里
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