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发表于 2012-11-13 08:48:12
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1判断语句4 o* A1 A. @/ m/ m
if <condition> then
8 K& u4 g) K+ P# \ <statement sequence1>;2 V$ k9 h* O7 @& A; E8 c) ~4 j
elseif <condition> then
8 S; H! I) {- p& t8 q <statement sequence2>;$ Z0 Y3 }9 h5 @3 h
else # Z3 X4 S4 ]2 _$ t, _. Q
<statement sequence3>;
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如果分支比较多，用：7 I% ]2 W% u$ @& f4 K( t
inspect <expression>. ] ]% [$ b5 U& ~' c
when <constant_list> then' a+ ^8 b6 d/ P% h9 U
<statement sequence1>;
# q7 C+ G* T( |" @( m when <constant_list> then# k- X; E; n. U
<statement sequence2>;
1 m! i7 [. ^+ y, @ ...
% z( R- V" L# J5 w! a& ` else
3 K# g+ x5 t' W <statement sequence3>;
& ^7 r& S+ l0 _. q( u( o3 cend;
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2循环语句* z' g* w ~ C; C! P: s
(1) from <statement sequence1>
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<statement sequence2>;; z! n9 m4 [% w. \1 t. F
end;8 P/ I; v& `& X0 R
(2) while <condition> loop
" q1 r3 V% T2 L6 k% ?0 s* b: b <statement sequence1>;7 u6 s4 V) c! g. T( O0 y
end;
4 S `7 {4 q* J9 ~ (3) repeat
) K1 G' P6 ~' R <statement sequence1>;
, E- V1 e3 `. U. }+ x until <condition>;, c0 _! E: w8 w- U- R- D
(4) for <condition> to <condition> loop$ x/ p. h. C% u/ i2 p8 r6 @+ T
<statement sequence1>;
, M! T4 f( n" x$ a7 `, |* x; @ next;, ^& d E% @7 g4 K/ t4 p: C3 U5 E
3中断语句
! ` r- g/ c' ^! B8 P2 f waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 M6 ~# h5 t9 G4 v2 i还有很多，如有需要我把资料发到你邮箱里
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