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发表于 2012-11-13 08:48:12
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1判断语句* H/ P8 y$ e# v' S& q
if <condition> then$ P( t; j2 r" H7 B$ X! D
<statement sequence1>;
1 V1 Q/ S5 D6 g elseif <condition> then- B7 Q, T. _' O/ }+ |
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：$ J f+ l6 ]8 o: S* k' R" M
inspect <expression>
0 W9 K1 ^$ m+ y4 H ~ when <constant_list> then' ^) U5 H* ?0 W
<statement sequence1>;
6 Q5 M/ ]! Y% T' W! P when <constant_list> then
2 Y5 p1 A% b: f C0 r <statement sequence2>;
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else
: r( ~* Z- [3 | <statement sequence3>;
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2循环语句" u- f l0 ?! j8 {" Z9 i2 Y& t
(1) from <statement sequence1>
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<statement sequence2>;6 n( E% T1 e: [% m' N3 d8 ?
end;& i6 t; k* L6 Z7 j! e8 Q& H! B
(2) while <condition> loop y) d1 F% v9 `
<statement sequence1>;3 r2 M+ {3 |1 t* c8 I) E0 _# @9 w
end;, z% D- [7 Y! K7 G
(3) repeat % U- a5 I! F6 N9 a, e3 V
<statement sequence1>;
) U+ Z/ B7 M: K7 @& M- U g/ ^ until <condition>;
P) ]% `% n% s' a# r! V* K# A/ k2 A (4) for <condition> to <condition> loop6 y+ k. s( ?5 _& P
<statement sequence1>;
9 h! P e9 M- v9 l- F next;
, n) j/ e9 s( b: c# n3中断语句
6 G7 S" I& I+ K waituntil <condition> prio <integer expression>;
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* k& \7 i/ ?7 { w, V以上为常用的函数！
% ]3 {( X7 w& @2 K; }* w% F7 h$ r还有很多，如有需要我把资料发到你邮箱里 2 |& d& S0 f1 l4 y! X' H, c
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