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发表于 2012-11-13 08:48:12
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1判断语句
5 Z2 Q7 `2 L/ [; L" \ if <condition> then3 |) c2 { T8 Z6 d
<statement sequence1>;4 ?, ^" R/ I2 Y0 d6 k1 E7 ?$ [& E
elseif <condition> then
- W& B! ]1 c' P+ V7 z, {3 K) } <statement sequence2>;
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<statement sequence3>;3 `8 a5 I) D* U
end;
: x: f* W8 \; o如果分支比较多，用：
+ e' f* P7 X" a) c% d inspect <expression>: x& ]) T! R! P) c$ S
when <constant_list> then4 I6 _; X \8 a* W
<statement sequence1>;6 A& \) E+ J! q7 A! {
when <constant_list> then
4 o1 D7 s# {5 v6 @- D3 o; M <statement sequence2>;
. o- Q" y/ H0 f# \7 j ...
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<statement sequence3>;
+ o/ |' E% Y7 O) v4 F; \9 Jend;
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% i" m5 {/ B8 s; a' m% f2循环语句6 R# O: D! p0 }) S( P
(1) from <statement sequence1>: B) w2 S7 u2 \' u( s& V
until <condition> loop
: F6 Z* P, ^+ K/ u6 j <statement sequence2>;
$ `! Z) T" \4 m' [) U! G end;
9 T1 _7 R( p: g5 H, b (2) while <condition> loop2 ^. v [, G7 @
<statement sequence1>;6 O1 Q: @" p0 f4 Y2 ^: Z
end;/ v, l* I9 D/ o1 V8 ]) l5 h6 e
(3) repeat
' ~' [# U: V1 e <statement sequence1>;
8 h) z* c. x1 W6 K" }, H, x9 V- m0 Y until <condition>;
6 W: j2 S+ e; q* m" z9 V1 ?7 J7 ~ (4) for <condition> to <condition> loop; i: w* |2 K7 c7 Q9 {
<statement sequence1>;
1 \; x% }# x6 v& z, p, `6 a- T# a next;2 y. O# M8 p5 g2 B _6 Q4 A* h: m
3中断语句
: Y! q/ Q8 D0 K2 b waituntil <condition> prio <integer expression>;; J, @ P$ F1 i) c' }8 B9 l
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3 ?5 E! q0 l6 t+ P. ]以上为常用的函数！& t2 L+ [- T/ a$ x& ]% |
还有很多，如有需要我把资料发到你邮箱里 ' b2 t4 k2 q$ F& v" \
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