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发表于 2012-11-13 08:48:12
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1判断语句
{4 g$ @3 C& J! W3 ] if <condition> then9 u; G8 A3 F3 a+ U' F
<statement sequence1>;
3 @6 v2 u7 a) Z: j* @: J elseif <condition> then
5 r- M, ]) l5 x8 C2 [4 g \% C <statement sequence2>;) G3 O$ F8 a( \% T; b- i# a
else
# a9 |7 l; Q: O x8 D- @; v <statement sequence3>;
) z/ Y2 M1 w1 F end;
) r) B; L- L. p. z" f3 Y% N& r: Z如果分支比较多，用：
w0 v1 u4 l* w' v1 w inspect <expression>4 B$ L; T7 O3 B1 k; p. c& u
when <constant_list> then7 M+ M M1 l1 G
<statement sequence1>;
: ?5 D% S7 [ T0 i( Q% D' z1 U7 m when <constant_list> then
5 A' ^8 y5 U4 G8 ~( T <statement sequence2>;
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else6 {+ F7 ]7 z$ m5 R( n9 K
<statement sequence3>;8 x6 T" U- x& g7 Y+ Z! Y9 _
end;
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2循环语句
" a% }3 }- Q e0 |; L4 d (1) from <statement sequence1>
3 w. {* j. }. D! U$ I- ^/ R& c until <condition> loop$ A! H. Z' s$ T$ b6 H/ ?
<statement sequence2>;% r; | r, G9 e ?
end;
$ n5 w) a* w) p1 x4 E) v1 u (2) while <condition> loop+ W' M2 k* \) U) a
<statement sequence1>;1 g, L' u' J' Y
end;* z( x5 X$ Y" y6 ~
(3) repeat
1 C( s) K; j$ o <statement sequence1>;/ H! Y! T7 m1 u0 ^0 Y3 J! ?1 O+ e
until <condition>;
; N- b+ k$ e7 i4 V1 D (4) for <condition> to <condition> loop( B8 h, n5 w$ k: `
<statement sequence1>;" Q1 l g! W: v! K' ?" B
next;3 t/ B q, K2 V, _( C
3中断语句. O0 a+ ^; ]$ t! G8 S1 R7 D
waituntil <condition> prio <integer expression>;" T* Z4 ^. ]" c) g' @' C: x7 d
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以上为常用的函数！ S7 A2 E' T$ h# P* J D
还有很多，如有需要我把资料发到你邮箱里 9 E1 U6 z' r2 Y+ l4 @
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