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发表于 2012-11-13 08:48:12
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1判断语句
, Y' `+ Y5 D; Q3 k+ o. {: J& j t# ] if <condition> then/ H$ Y' N5 U* W* ^5 a& q( N$ L& Z
<statement sequence1>;) Z, X! q. ]$ @* x
elseif <condition> then6 { s) N" F& u
<statement sequence2>;: T# C! P8 U/ t. E) d: ^
else . ^* P7 X' N$ E: k$ [ f+ N
<statement sequence3>;
: }+ J2 @0 M7 }2 z, t end;
2 I0 c) c- U9 `" M5 \4 ?9 _/ t! r如果分支比较多，用：5 ^7 s5 N/ [% s7 D
inspect <expression>/ U5 R( m) M$ w+ H& V7 `
when <constant_list> then
/ o, [- j: u% O <statement sequence1>;" g3 S& R. ^) m4 z k4 s
when <constant_list> then; L, x0 W7 F6 X
<statement sequence2>;" ~- h; B% x6 P! \( `* F- n' }# h
...
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<statement sequence3>;
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2循环语句6 n7 T1 Q0 p0 }& v% X
(1) from <statement sequence1> o8 y0 u0 I- k7 {$ {4 o' N* r/ T4 c
until <condition> loop
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end;7 |1 d. R2 B# `; G: y
(2) while <condition> loop
0 U" b& i4 A2 ^: f: ` <statement sequence1>;# r8 a8 V' k8 T
end;
- y% C" H3 C* a2 W& [ (3) repeat : Y* a6 M+ k0 @; w3 P$ {
<statement sequence1>;1 K4 h l: j) X+ |5 L& n' q
until <condition>;
1 Z8 l8 W; |0 S$ a' Z (4) for <condition> to <condition> loop
! Z. ?; T) d: f* |) _; X' r. O <statement sequence1>;
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3中断语句0 I/ E! p# Z2 d) l! ~$ Q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) ^2 N7 ^+ N' `4 u
还有很多，如有需要我把资料发到你邮箱里 , s$ a+ f/ e* x& Z' ~
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