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发表于 2012-11-13 08:48:12
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1判断语句" r0 u3 V! G% W9 ^8 y& S% p
if <condition> then
4 a6 j/ m) `3 {$ q7 m Y+ ~. | <statement sequence1>;* Q. V' P: f6 A C8 e
elseif <condition> then! B; ?4 u9 _- F9 x! s5 T F% q
<statement sequence2>;
0 m( c% M$ c7 z4 v; l2 V4 x else
& T, I3 _0 h$ S8 F W, Y' y- K% p <statement sequence3>;1 |8 d: d a: B& k: Y
end;& r# m0 D. ~9 T8 g
如果分支比较多，用：
' p* O3 `# e; F4 `2 H inspect <expression>6 ^( ~; `* Y6 S! ~5 W4 S$ ^3 l% S7 e
when <constant_list> then+ G- z$ Z- b/ m+ G& F. @6 @
<statement sequence1>;. q9 b: s1 L) f [4 K- _6 j) s2 t
when <constant_list> then c9 G i% {4 `8 s- T+ h
<statement sequence2>;
. a; h6 ~1 r+ i4 Z; n% C ...
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# ^! I8 N! p8 {1 u5 t% D, R- R; j <statement sequence3>;
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) }3 m$ t) H8 Q1 q6 T4 Z2循环语句
a/ V. y$ I* a, Q# G) J (1) from <statement sequence1>. z& U" Z E3 v
until <condition> loop
& |3 B7 |( b4 C, X: X <statement sequence2>;% i9 T9 W1 d$ c4 p
end;
( }7 L3 S" L; M$ \/ V (2) while <condition> loop
* |# m b" [/ s7 q$ H& w. E1 j <statement sequence1>;- b3 B; d: z K! Z
end;
* j) ]* h4 u6 N) N2 o (3) repeat
h% y; S+ ?/ _& o0 M <statement sequence1>;& H% Q9 T; [; N3 @: J
until <condition>;& R( u1 X% n. y! R
(4) for <condition> to <condition> loop; ]% ?4 m# s, F# N
<statement sequence1>;
9 z( v: ~; }, k; ? next;
) H; z9 w- q) C0 W% ~" M3中断语句7 u0 R. ]: b. T. T1 D0 d& s
waituntil <condition> prio <integer expression>;; T& ]' f D0 M" L
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2 k% {' S4 |* _* \- G. G7 d7 g以上为常用的函数！
* C4 u0 `7 i/ v2 w. h还有很多，如有需要我把资料发到你邮箱里 ( w8 @' r6 @: i: O% H9 ^6 J$ n+ W
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