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发表于 2012-11-13 08:48:12
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1判断语句
3 a5 U9 w R o( T- j* L. f if <condition> then, } o: a: J- Y+ O ]% t/ ^
<statement sequence1>;9 b" e! L% w$ \' Z2 ?
elseif <condition> then2 n- ^/ f- j9 X2 c: ` I; f9 h
<statement sequence2>;* \. h1 F; V- n: Y( ]4 k
else
" v. `+ ~, C0 D$ { <statement sequence3>;
% x% @! Z& o2 [ end;7 D. e6 y' ?3 C+ v) H9 V
如果分支比较多，用：$ o; W5 Q: X: c
inspect <expression>
, h, i" ], U) I# | when <constant_list> then9 f9 b8 F! V2 L2 x% o/ u H
<statement sequence1>;
/ Z4 A" `+ l4 h1 c W8 _& e when <constant_list> then
* h [1 Q2 P7 s! g5 Y <statement sequence2>;( W- J1 t# [9 h
...
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<statement sequence3>;% ~" s) M. U3 C7 {/ x% k
end;
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, y- q' C* \2 v% M# }% E0 r. i' N2循环语句2 l: E/ D- j3 P' ?' D$ ]
(1) from <statement sequence1>
: d: I+ K) u; X- l: G" Z until <condition> loop
) L }$ z' i+ p: l; j <statement sequence2>;
/ [# ^( ~! x( q. a* g% f( m, Y5 h end;
6 g! x; T" _: g (2) while <condition> loop
; y. o7 ^$ B; O3 s <statement sequence1>;9 x) B* z& t( |1 L5 _
end;8 G( p7 T' T$ T( N$ h$ h! O _2 |
(3) repeat + T: r: w5 u* F0 m! M. p/ G, h7 X
<statement sequence1>;
& d) T$ B! O4 } until <condition>;8 g U% I+ T/ _
(4) for <condition> to <condition> loop3 \: u6 v/ K% S! k) u+ V7 h0 D
<statement sequence1>;
0 {( u4 [" B$ B' s6 M7 N8 V next;
6 i( f8 e: x. g3中断语句8 X( n3 h5 Q" S7 ]7 p$ Y
waituntil <condition> prio <integer expression>;
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0 T& a/ a8 x# l% D$ U( S以上为常用的函数！
& R" {3 I" q+ ^( y- Y4 H还有很多，如有需要我把资料发到你邮箱里 # x$ C: ~+ E7 q
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