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发表于 2012-11-13 08:48:12
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1判断语句
7 \# R& z& F7 P* o, [/ \$ D# a) n. s if <condition> then" i5 m" u2 C6 y$ R: d3 ^
<statement sequence1>;5 H- n a) o& R; z
elseif <condition> then
% n* i- F; X* i( Y( q' Z <statement sequence2>;% F1 E! B+ x8 T- Y r
else
% B8 S1 b. j# T <statement sequence3>;/ o1 \6 v+ L5 `* P- R+ \: _
end;
- J( C0 m+ f% D f; A$ K% C) \如果分支比较多，用：) @& g& [: E( H- Z1 w; R) c$ p: f$ ~
inspect <expression> L0 S# M8 a9 v
when <constant_list> then
8 l; r& j8 ~& y+ d$ @3 r& P <statement sequence1>;
4 K* x/ E8 ]- Q, K' s( V when <constant_list> then8 v: y. `/ \8 Y
<statement sequence2>;
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else) c9 S2 Y# n% Y' E- b, I* g* j
<statement sequence3>;. B5 X9 I% H3 S9 v& b' g# ^$ q
end;4 \% o0 Z* i( I: H, B9 N
# ^3 V5 C9 ~7 I; V+ o4 O; |$ _2循环语句
/ G3 e; Y/ H& {9 v( _ (1) from <statement sequence1>
- H) o2 E1 _, q% n until <condition> loop( v( L# A: U/ o1 R% L+ i# F
<statement sequence2>;
- h- D$ U: u' O+ d! X! i- v end;' ~% U7 n% S: H( u" B) H
(2) while <condition> loop
) K' E6 r5 E$ ]8 P <statement sequence1>;$ B* ]9 V M& K% h! P; h' j, V
end;. r- o7 Z5 m& {) G! B, q) n, ?" w& E
(3) repeat
# g1 V9 s, y: B <statement sequence1>;
6 f/ X- N# \' L+ r2 z until <condition>;) j' @# `# T6 s2 `+ [/ e8 ]
(4) for <condition> to <condition> loop
# V* m5 v& b" l- ~ J) Z <statement sequence1>;
7 G! R8 G- ^& C# h next;. @, i! z4 N c: f4 }) V* ?
3中断语句: ^( ?0 K+ p% _- k
waituntil <condition> prio <integer expression>;
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5 y8 q6 d' T; x以上为常用的函数！
0 e8 C" p. H+ q& S还有很多，如有需要我把资料发到你邮箱里 : Q4 N: m0 z: v
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