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发表于 2012-11-13 08:48:12
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1判断语句6 K9 K, `9 X( Q$ r B
if <condition> then
! \; }5 n9 Q( c6 f <statement sequence1>;* @+ Y( D2 k2 m) E, f
elseif <condition> then
+ W; X6 e( P$ ^& O <statement sequence2>;' b% p: O- M- T; k' k
else & e8 X4 a2 G$ c
<statement sequence3>;
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如果分支比较多，用：1 V. i5 g: z. ^' q
inspect <expression>- y, k h1 l- l, @0 n
when <constant_list> then
) ^8 s) f, s( M7 |9 H$ v <statement sequence1>;
9 S% |/ D/ x! Y2 O. @ y8 G when <constant_list> then# u! b1 J4 D7 C; E5 M% b
<statement sequence2>;1 q9 g* [" h4 A: T8 y$ S0 |
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else
1 r# j; i8 J8 {, O: q0 M8 L <statement sequence3>;
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7 _0 S$ G* z1 I8 T! b2 |2循环语句# q# L( r6 N( @4 ?
(1) from <statement sequence1>* D% d: N! P2 Z3 B/ Q
until <condition> loop* y* o/ n1 V9 X5 j: b
<statement sequence2>;7 V) {( p5 I/ S0 p) ?* |$ P; y
end;
) x% A: ?# e- W4 V# ^0 |$ F (2) while <condition> loop
' K( x8 ]+ l% L; W0 v) t0 \' A6 b <statement sequence1>;
u3 j+ {9 P$ C+ h7 G9 z end;
3 N+ O, _$ V1 ]( x5 S (3) repeat ( a. n3 C( q, h9 V* U( X
<statement sequence1>;7 G3 B: r2 \* Z/ Q# O; a. _
until <condition>;
4 r& l6 @8 N- H$ R0 I# _( _) J2 W (4) for <condition> to <condition> loop
- |. O4 W! r3 x <statement sequence1>;: I; g2 y" r+ F6 k; ^0 r5 h
next;
& ?3 j0 k7 H& |. M' W- l8 p3中断语句) Q! n0 P3 M) B0 p/ ?. f9 [8 H
waituntil <condition> prio <integer expression>;
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9 _" `8 z6 f9 w/ E! L: @/ q以上为常用的函数！: y- u. R8 A c( j1 X0 F
还有很多，如有需要我把资料发到你邮箱里
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