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发表于 2012-11-13 08:48:12
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1判断语句
: {5 E2 q' {8 n/ M# p if <condition> then
6 S$ N$ J0 t% \& _ <statement sequence1>;( G0 q/ M/ K- ]+ P' J* O
elseif <condition> then
6 W* R+ c7 |, F7 t* a4 W! X <statement sequence2>;) F8 L1 V: U, e) H( \7 P
else
$ n0 g9 T) c. A. z1 t <statement sequence3>;
4 P5 H) j9 |0 W& e end;
0 E, A( X& U1 j0 \" J) i如果分支比较多，用：. E2 B# a/ q9 I
inspect <expression>; O! j8 @$ W- E8 e; Q
when <constant_list> then
! @; E$ g: [2 h+ ]4 X, \/ q <statement sequence1>;& I# f0 m- n/ `/ Z
when <constant_list> then3 R! f: d* j/ `( B
<statement sequence2>;7 {1 M5 z3 c$ d, S
...: p4 o% P6 E! s) E
else, F `! {6 z2 W% `3 X
<statement sequence3>;
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: D; G5 ]1 O+ W% e" y) e8 j1 q2循环语句5 }# L6 T* u& u. |/ m6 V
(1) from <statement sequence1>
5 w5 W; V& x; A6 S# q, w until <condition> loop
) P% |& h" [! \9 {- I! [7 P0 z <statement sequence2>;6 B3 O* W& g3 }
end;7 B/ W* f- ]2 b0 A
(2) while <condition> loop) j0 D0 I& u U+ D0 V
<statement sequence1>;5 |( t7 H6 M r5 Q
end;% n$ J8 _, x) d/ p1 p% w- `4 k
(3) repeat
3 q9 O/ G+ {/ m+ J <statement sequence1>;6 l9 d; h* B8 e6 I+ Q/ d0 P3 K6 Q
until <condition>;
M! N8 X* o7 g2 _& A0 G. c (4) for <condition> to <condition> loop
, g; ^' X" N, X# P. [* q4 [' V <statement sequence1>;
: C8 k& s! H* e6 c6 K- O0 J% e! E: s# S next;
1 |$ Y! r5 h$ V0 e3中断语句( \$ N% T1 n; o2 h
waituntil <condition> prio <integer expression>;* C) k! b/ P3 z U1 q9 E$ Y
4 h! [7 z$ m( ], {; c, P* I' T
8 C8 A" s0 X3 g9 w7 ]以上为常用的函数！
* E3 [6 y9 L7 R* R% Y" K# `还有很多，如有需要我把资料发到你邮箱里
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