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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
5 Y' k6 \+ _2 |+ j/ q if <condition> then, n4 \, @* p* u; L4 L2 w1 @/ G2 A
<statement sequence1>;* R3 i4 _" q, W" A) P& Z. q
elseif <condition> then. {7 g; Z1 |! |* s, b/ D( C
<statement sequence2>;
0 I( |1 C |" C else
1 s l- |! w, W/ ^ <statement sequence3>;
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如果分支比较多，用：+ v2 m: L2 ?- S
inspect <expression>/ f& Q' \) w. o$ p3 n. Q
when <constant_list> then
( v5 t6 s9 G. j" L) |- G J+ J <statement sequence1>;
- R0 M' A" v" s. W d# d8 y# z/ R& y when <constant_list> then
- l' X, D1 m# t! l <statement sequence2>;
5 o4 H( N+ y, \0 T7 n9 w0 C# f ...
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<statement sequence3>;
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2循环语句 M! @: D6 I6 e' A. m( s
(1) from <statement sequence1>
; n0 e$ P/ R+ x7 z% _6 Y until <condition> loop
& b, O8 Z* P2 f, d5 O6 m0 n <statement sequence2>;
, F$ g( |# s. p7 o6 f" s( n @ end; Z; l( [4 y0 M* _; L( W( K k
(2) while <condition> loop: W; v" A" Q# A- v
<statement sequence1>;3 i0 b _: ]0 L0 \6 t& D
end;
% L" l# _) i8 @3 y* O( o (3) repeat
7 W9 L; w9 C1 A& |) X8 [1 L <statement sequence1>;+ n2 {4 \. D) \6 p6 |( K* F
until <condition>;
& G" f2 m$ h- O" M (4) for <condition> to <condition> loop
$ m1 w1 x9 n# S1 ` <statement sequence1>;
; M. p6 S6 @( ^1 O8 N0 e) ?! C N next;: b- ^. {: x- m0 w' C6 u' E) W. @
3中断语句
! ^& e% d0 [ N# x waituntil <condition> prio <integer expression>;
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' h5 M+ r5 O2 v9 H' K7 V9 r/ ~5 P9 H0 H: M! _. n8 G" M$ _
以上为常用的函数！
4 P; |5 d! B2 @8 x8 N. l还有很多，如有需要我把资料发到你邮箱里
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