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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
/ A. `3 R3 w" U% `! A) D# y if <condition> then+ |9 T* L& t: ] r& d
<statement sequence1>;3 |+ a3 D+ f6 f
elseif <condition> then |2 U. z5 E' z7 _" W' K. O( J
<statement sequence2>;# k0 X0 B1 ^- [. Y' K: {
else
- ~! V9 H: P. f4 k' P <statement sequence3>;
7 }4 J- G+ N/ V* e& F$ \+ p6 p end;, H D& \* J/ k2 t% j' C
如果分支比较多，用：
5 |: Q8 a, h5 u a# F inspect <expression>
6 o& }) X( m) }, ^ when <constant_list> then; F# I; e: @8 ~, G
<statement sequence1>;
0 `: x* o# G* ] k9 s5 e when <constant_list> then
+ k+ N$ u9 m; O+ N. n <statement sequence2>;1 O! h: B1 v# O/ d* O- ^
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else: l" D7 } T/ U p7 C# X
<statement sequence3>;3 q3 E3 |! a7 B5 V- T& w
end;3 p, P( `! b8 U7 C, @
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2循环语句
) I0 K" p* f. d4 g (1) from <statement sequence1>& ?+ G9 M/ o3 P/ C4 i8 A9 ^
until <condition> loop" h* m' X3 h* G( u
<statement sequence2>;
8 M: n6 M% I8 ^. z( a- ~* t4 Q2 @ end;0 E. ^* V6 M% K8 Y
(2) while <condition> loop
) d- C8 {" \* a, B% s. B <statement sequence1>;9 B/ J$ [* J# a
end;* Q {7 u. \: v* p& c4 W
(3) repeat % w I' x0 H2 t
<statement sequence1>;
$ x; l: M- j4 ^ until <condition>;& S; P0 a1 g- [; U) r% s1 g
(4) for <condition> to <condition> loop$ G7 G j9 W, b6 i, C3 N1 w4 N1 i# D
<statement sequence1>;, o: v% X9 Y, P' v4 G
next;$ u- i, f7 |7 |9 b
3中断语句
5 `* F8 _5 U7 ] waituntil <condition> prio <integer expression>;
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6 r2 Q L4 |6 O$ x以上为常用的函数！0 T3 D6 }+ A8 @8 E& h0 H0 @
还有很多，如有需要我把资料发到你邮箱里 ' u, e9 u' `1 V" L' I: e
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