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发表于 2012-11-13 08:48:12
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1判断语句( ]& T4 V* k) k* X2 r: _ S6 ]
if <condition> then1 n9 l' m2 I5 D' P
<statement sequence1>;/ Z7 B5 r, @: V9 x, v5 p0 a
elseif <condition> then
- f" G' }; G: ] W( Q <statement sequence2>;
2 f W. c8 ]& T* V else
" W7 a. y1 ~ F) _ <statement sequence3>;
2 `: M; `$ L, K# o# U end;
2 \( }3 I) ~9 \4 {: h, p7 J0 U如果分支比较多，用：
" _( |, O6 o8 y3 ? inspect <expression>
: p' X6 w$ ?0 B& g" O when <constant_list> then/ n) @5 f* |6 t( A2 H
<statement sequence1>;& `' h- n" `, {, {6 y# L. r& V
when <constant_list> then: N* u3 s& C+ B! R% q( w! z
<statement sequence2>;1 q, F. A* P$ h4 q% r
...
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<statement sequence3>;
4 l& q4 @- D% w1 Cend;
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2循环语句
& M( ~( D) j" O (1) from <statement sequence1>5 h0 ~/ `9 r g
until <condition> loop
5 H) l0 O2 Q9 A <statement sequence2>;
5 F9 ]! ~! ^2 B* r0 K! D end;0 x$ I3 p7 m3 Z* F6 f' y
(2) while <condition> loop
`4 N1 `; w+ }% @- X <statement sequence1>;6 b' O# E$ b ?/ [
end;
! U5 }& K! {. m (3) repeat
- n# \ d% ]- x# `; [2 P <statement sequence1>;2 c. g! t* E9 k( X( @+ C3 \+ o1 q
until <condition>;7 w6 `' J7 d$ p4 j* r
(4) for <condition> to <condition> loop
+ y2 E' h8 M; @ w+ k' {% f2 H <statement sequence1>;
0 D3 v0 H, D5 ^1 f9 c" D/ y6 } next;5 \3 x5 C1 Y' I- l n
3中断语句" q. O$ T5 C% f0 w2 R4 `
waituntil <condition> prio <integer expression>;
& [% a! [/ S, U, r- i8 X( a9 s) `: _* ]
6 m8 `. t) Z3 ?
以上为常用的函数！
$ _6 {5 {" u6 w4 S: ~+ T还有很多，如有需要我把资料发到你邮箱里
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