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发表于 2012-11-13 08:48:12
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1判断语句
+ h: }- v2 C+ r2 V" Y if <condition> then
$ c I m* Y. @# o' S K <statement sequence1>;
2 e% o0 v6 ?' I8 A! c3 W8 | elseif <condition> then/ l0 E' r8 F% {7 A! A7 D7 ^! x
<statement sequence2>;
5 T" M' B3 f" M# n2 I4 M7 y else
6 G8 I( m% ]6 U% t9 w <statement sequence3>;; i# K+ R- ~7 d/ @8 A
end;% k. u5 ?8 T1 O# s' V
如果分支比较多，用：6 j- v" U+ n$ v4 V2 `+ V
inspect <expression>7 z5 ?( {6 _9 S0 V6 _
when <constant_list> then
" m9 |% R$ @4 j) w$ o1 R; g <statement sequence1>;
- I% o8 x! J; T2 Z1 p when <constant_list> then4 E$ m# {0 y; z3 K$ M
<statement sequence2>;
7 a- Y% P) S4 P- w; ?4 u ...
9 B7 }4 L3 r: c/ q else
/ C! ?+ m1 v4 h1 y7 R* ^/ i; I, M <statement sequence3>;) ]" c* l- X3 d8 k: n
end;" i( I, z0 Y! b5 k, g7 L
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2循环语句9 z; _1 S0 z, E- @' I7 \$ z
(1) from <statement sequence1>8 R! x n: V2 x# T8 e3 H# z
until <condition> loop
. H- e; h( }, C, E" q <statement sequence2>;, X: X& I3 F( s$ k/ M
end;
7 D5 r/ y" v! f7 O: Z: e (2) while <condition> loop
+ z% z, G3 k6 E1 s% k6 t <statement sequence1>;$ o9 f! V& N& e$ P/ t& v9 f
end;, {+ {9 d/ Z: t; R6 Y) g3 `0 e
(3) repeat
# o* `% g) q% F8 h" X R <statement sequence1>;
' c: i. t8 R5 d7 S* n until <condition>;$ Q% ^; J J% F2 r- ^. `
(4) for <condition> to <condition> loop
% d) ]1 b+ f. m4 z <statement sequence1>;
1 z1 Y& G9 }4 p; \; |! ~7 R& D- i5 _ next;3 K. t0 M. o7 a- M8 V! ^: p Q
3中断语句
: p& c O5 U1 f waituntil <condition> prio <integer expression>;0 m! p* m# I' a1 v j2 p3 x! G% o! j
, a6 T& v8 \0 M+ }9 A4 J9 _9 Q$ H1 r: n+ z
以上为常用的函数！
! w( W7 T! Y: g( S' Q: ^7 B: d7 G9 N还有很多，如有需要我把资料发到你邮箱里
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