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发表于 2012-11-13 08:48:12
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1判断语句
( D( D2 U" F4 k* d& ^, B if <condition> then
7 [9 ]( w% y1 ~3 T! p) o0 l& l5 A <statement sequence1>;5 `$ R& _. _: L
elseif <condition> then" m& W8 v, l8 E/ `2 [" i9 z
<statement sequence2>;
; b7 V! }, E7 Y5 S5 f, p! x. s else
2 `, ?+ |5 [+ l. E6 B, ^ <statement sequence3>;
! a \6 P! q9 n3 Z$ y end;
# y7 N$ s$ f9 i& i如果分支比较多，用：/ T0 M3 M, R7 O% _, U
inspect <expression>
5 o0 C- |: @5 w' A4 x* s1 N when <constant_list> then
- q" H1 \: I3 b7 c) ?& ` <statement sequence1>;
) @* Z5 O+ r% V) z- ^; O when <constant_list> then+ @9 ^: _/ `8 v. ]( f4 b
<statement sequence2>;
6 w9 p7 `( W2 m2 |7 \ .../ A# y3 ]% v6 c( n# U3 w+ ?% |9 }
else" n% X% ` H0 M
<statement sequence3>;. y8 v9 d/ v! C% |
end;8 |, O: U. U1 y3 x6 p ?
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2循环语句0 t) s$ E5 z: q! {" G6 O8 w
(1) from <statement sequence1>
( H% ^$ s; p8 t; `" k% T$ U+ J+ b until <condition> loop
3 s7 I, I6 F0 c9 q" `2 _2 {+ y <statement sequence2>;/ Z; j2 d. x4 g. [/ i: z$ W
end;- N9 `, I9 N& w) E
(2) while <condition> loop
; {7 T5 L0 d4 \' R2 ^ <statement sequence1>;) n1 U( z+ S3 @+ q, L8 o
end;0 |& i) M- p9 v/ m
(3) repeat
( Y1 P9 }& q+ H4 F <statement sequence1>;# k6 l, d7 w2 X
until <condition>;4 p" N+ v0 o, E- |% H
(4) for <condition> to <condition> loop7 d- _! X7 s3 G5 |, k- I7 e
<statement sequence1>;
0 Z$ C' u4 q' J, Y next;
, ~& d# b6 q F1 r- l5 l# V9 v3中断语句
1 d' F% l3 `2 E1 J6 `# i6 i/ \ waituntil <condition> prio <integer expression>;
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0 X9 w, a8 |. k) m: T以上为常用的函数！+ D! o* k2 H: R; m5 ?, S2 o
还有很多，如有需要我把资料发到你邮箱里
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