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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
L/ P6 R' E( q$ R" u if <condition> then8 {3 ?& Y, j. k$ y* Y$ u$ Z, E
<statement sequence1>;+ h( s* f: N$ e
elseif <condition> then' J9 F8 g% F5 y" `
<statement sequence2>;$ w# p1 T0 i0 _ y$ `9 }; G! F
else
& R) c& Z- H4 K3 n( { <statement sequence3>;
) W4 I: ? X7 G, a# I ?+ _ end;
4 }! J2 N3 x. n3 H% C1 N% C! a如果分支比较多，用：. v5 u# i. o7 Q: G" ~# ~
inspect <expression>
, \' o; a5 _: ^6 f9 ` when <constant_list> then. `, j: @9 O$ S. @
<statement sequence1>;/ T; C! b+ n( c b1 x7 a
when <constant_list> then
/ u& q: B- M7 Y <statement sequence2>;
4 t G2 Y9 t$ N/ ^' h" F ...
( A( I( P" @& v$ T else
$ ^9 ~* E2 h& R' Q" Q. s <statement sequence3>;
5 a/ r- \) f# T! L8 t7 ]end;+ b$ S. ?: x; l7 F! c1 ?1 m. j
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2循环语句
0 @- n0 q4 `: N0 z (1) from <statement sequence1>
* c/ [- d* [. `3 {, { until <condition> loop
& c; C) T$ D v( }* d <statement sequence2>;- r( A$ S; t8 f* L" M
end;& P3 z2 |4 M! u2 ?* M
(2) while <condition> loop
+ f2 `" e, o( N: l <statement sequence1>;: [8 v6 Y; ~) X2 [5 l
end;
2 y1 H8 O) j1 W6 n9 E" k (3) repeat 6 K1 Y) F' B: R3 N
<statement sequence1>;7 `( K) ?: n. U& X, e
until <condition>;: ]1 v9 a* A& }
(4) for <condition> to <condition> loop" A( E4 H7 L# M% e2 e" r
<statement sequence1>;
( u9 @ C+ Y$ P3 F7 A/ J next;: Y' q' f% i) Z! I* H" M$ j' q
3中断语句
+ x" _! e% g# b( t waituntil <condition> prio <integer expression>;, ?4 A/ X; ~4 i: V) n. c
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以上为常用的函数！: r$ `4 R; m* H% ? a, S9 Y) a
还有很多，如有需要我把资料发到你邮箱里
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