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发表于 2012-11-13 08:48:12
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1判断语句
\0 U& {- T. q; O3 L8 o' c3 H if <condition> then
" G) ]# l2 m6 n4 Q8 ~4 n8 A <statement sequence1>;+ S/ y& t, h3 [. e
elseif <condition> then
2 C9 |3 u+ J% o+ Z( J5 u <statement sequence2>;7 n. i# x- [9 H" B6 j9 o" w% Q
else 9 y7 @0 v; M" T3 k
<statement sequence3>;
' a; _; R" t8 w( m7 j' b end;, ~- O! M7 y4 G
如果分支比较多，用：
* [! ^2 D2 {8 {# P9 \ inspect <expression>. j, j) ~0 e6 A: l5 e
when <constant_list> then9 R9 s9 N+ i0 ^% E8 y% {
<statement sequence1>;; b) W! ~6 U& U1 J; U& K( ^% B
when <constant_list> then9 j0 m6 A6 w u. c8 N8 z' t
<statement sequence2>;
6 |% M9 E \1 y* H0 c3 O ...
6 b+ X7 P! _3 d* X, o else/ D' z& Q! ~, ?- U
<statement sequence3>;/ k1 q6 A) e7 ?: w w. R
end;- Q5 L: r, Q& K/ G
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2循环语句# j }- Z L4 k* c
(1) from <statement sequence1>
5 i$ }; z+ I% r( n( e$ r until <condition> loop
% ]4 C! i$ Q, I' r& [8 k <statement sequence2>;
9 O0 x6 ]$ o! k4 P g5 ?; K" ~ end;* M* H9 [' M& E" u, G: `3 b: c8 M) j
(2) while <condition> loop6 _2 k2 x2 b) ]
<statement sequence1>;
* Z7 T. t6 @" N! `# ~2 T end;
: A0 m; ~0 _+ K0 H (3) repeat
6 [5 z7 u" Y; r+ o5 D7 A <statement sequence1>;
. y6 _) R9 c" t- @/ v! j until <condition>;
; d) u' v2 s0 j6 u, F (4) for <condition> to <condition> loop/ m. M1 S, Q5 J
<statement sequence1>;
7 r& {4 T1 P' V next;
9 A; P% |8 P6 J' @3中断语句; C# o. X+ ~! A9 W- Y' Z% C
waituntil <condition> prio <integer expression>;
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- d4 N/ l4 X1 Z+ ]4 {, ]
3 @" q) j% Q- O4 L k以上为常用的函数！* \8 |8 M* l- h
还有很多，如有需要我把资料发到你邮箱里 8 H! D% e7 j: A+ B; l1 u/ T
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