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发表于 2012-11-13 08:48:12
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1判断语句5 ~3 j4 n4 X$ I% Z3 F
if <condition> then4 X/ _ |2 W6 J$ ~5 q4 Y+ V) L
<statement sequence1>;
1 z# B! T7 a+ U; \8 ?6 H, H elseif <condition> then5 ~' G' i2 T9 M2 f$ K2 w
<statement sequence2>;" F, n% R" |/ d) l2 s& A6 J
else ; J6 t6 z7 A$ \: Q
<statement sequence3>;
$ ? s l8 o: Y+ n end;
5 ?& d5 g, J {: w' u/ k+ i# a如果分支比较多，用：1 ~( P& L- Y& R9 y! g. V
inspect <expression>
5 g8 O% z& k6 {+ p7 z1 ]/ | when <constant_list> then5 @( D, n6 b l2 w: B
<statement sequence1>;
( x% o: g% y5 U p% F when <constant_list> then
8 |6 H; M$ R+ \; L6 Y I8 I7 Y/ q! k1 H1 Y <statement sequence2>;
6 J$ I; P" j$ K* S% Y6 x ...
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<statement sequence3>;
1 f0 e1 j# n8 t# E* j8 nend;
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2 o! s% v: U& [" |2循环语句
9 F3 S: }. \, D! F (1) from <statement sequence1>6 i- u, P0 T, x
until <condition> loop
# X6 Z9 g1 U. }* \ <statement sequence2>;2 B2 C8 |; H! u* ~) {
end;% _# L) a% [: \! z- e$ Z
(2) while <condition> loop' A2 R1 I5 C! v1 l: z
<statement sequence1>;, f" j4 U9 t3 ~
end;/ E& s- c. p- O! F
(3) repeat 8 { C4 y# z2 T" W' ~5 X
<statement sequence1>;
" g0 e; U- d: N1 Y% F% M until <condition>;5 W' H0 |. z6 T" Q: z
(4) for <condition> to <condition> loop0 W& ~; L& X8 Z4 Z0 q# Q/ d
<statement sequence1>;
. h8 ]) D: |) O1 \1 | next;8 U3 F$ S# _, F6 }) L8 J- p t
3中断语句, ^' z- V* Q9 }+ [' t0 T# h
waituntil <condition> prio <integer expression>;
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+ D' c9 \. E) n& S以上为常用的函数！
7 Z' K8 V7 v9 E还有很多，如有需要我把资料发到你邮箱里
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