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发表于 2012-11-13 08:48:12
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1判断语句; Y: e0 Z! ?1 I4 B8 N
if <condition> then
5 V9 Q; Q6 ^4 m% d2 U5 b( k <statement sequence1>;% n: i4 V' D F; v* L1 A7 ~7 X5 ?& E
elseif <condition> then6 }) V9 _" R E% q
<statement sequence2>;
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<statement sequence3>;
8 f' I9 B7 E$ Q4 k' l end;
2 W9 C" ]8 E# M. t如果分支比较多，用：$ x$ d5 o7 V, x( g; _$ V5 |+ M6 e/ x5 N
inspect <expression>
$ _) d' ~$ w+ Y: D3 g, _8 k* t' j when <constant_list> then& ]" \' ]7 Y1 V
<statement sequence1>;. j4 j- l' a7 b+ Z- E- J% m
when <constant_list> then
- c! @& G7 U* \$ @* o% @0 ] <statement sequence2>;
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else
7 S) r; t, ?& P6 {1 B+ }' u- l <statement sequence3>;
! x- @% [2 A- Z; S1 j, W) A6 `end;( _; |! i- ^% X
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2循环语句
9 j, m, a }: Q7 N# x: x (1) from <statement sequence1>- O) d T* f; `* G& J7 K' z% D
until <condition> loop2 Y1 j. d5 ~6 x/ D$ p ]
<statement sequence2>;, Y! Q! B* H+ |8 M
end;% o6 H1 j4 z h. o7 y) x3 t+ Q
(2) while <condition> loop
+ f' Z2 ?' _4 Z <statement sequence1>;
9 Z, M' M0 f! H4 G: K4 _ end;, b- u) \. g' U# L7 _5 f$ B
(3) repeat
% a N8 d- G* c$ t. [ <statement sequence1>;
* S( ^' U4 ` W. B1 A3 r* j until <condition>;
/ m# z# N/ g6 X) K (4) for <condition> to <condition> loop* ?; J% k, i3 Z3 g1 i$ h
<statement sequence1>;
8 |6 \$ a8 w8 [2 Y next;
9 n0 ^; y1 R, j- R- n+ G" K3中断语句
+ E& [* E3 G5 Z J2 ~5 ] waituntil <condition> prio <integer expression>;
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: X# I! Q+ Z, B4 ]. y; h以上为常用的函数！' C6 l& A+ l% j3 @+ }
还有很多，如有需要我把资料发到你邮箱里 * r) y# W9 G- x& F4 h
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