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发表于 2012-11-13 08:48:12
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1判断语句" e: C0 g- Z+ D! C" d. t8 f) [, d
if <condition> then ?6 K2 y, S2 A4 Q% o/ o* j1 s
<statement sequence1>; g: V' e9 m: }, x! p
elseif <condition> then
4 Z# C4 J6 k8 X( u0 I7 b9 n <statement sequence2>;$ ?+ V% o, P T& |3 B Y9 e% X
else
' c& Q r9 m4 p' d) @ ~6 q <statement sequence3>;
; k- G! h' C! i. B# d2 u end;
) c! n2 V" ?4 Z) [如果分支比较多，用：
/ b9 J3 A, F6 s( s! Z inspect <expression>6 ~! ?1 e9 x8 V; }1 @, F3 \! A
when <constant_list> then! e d9 H$ w; D) G
<statement sequence1>;
2 _ b9 e; A& d7 l j& D8 W when <constant_list> then
. U c' H5 B7 C }) V <statement sequence2>;
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else
2 a5 V: @" H/ C" E- r9 l3 t4 D/ u; O; q <statement sequence3>;; M4 Z9 \$ \7 N' ~
end;* f/ I3 G) y4 _- }- y n! w1 N
5 P8 `% a% V1 Q! a3 f& O' m2循环语句
" G6 Q; h* w- k/ i2 C) i (1) from <statement sequence1>
% c& `* |4 w2 B N until <condition> loop; F; e# K2 m, ^$ E, `# }
<statement sequence2>;
0 @) n8 k: {/ ~. V h end;
4 w' U# }# | o5 i (2) while <condition> loop
; z2 L8 v& ^8 Y4 m& S8 n <statement sequence1>;
9 U% l( X+ S+ ]: ~1 V end;& Y6 d! ?* o9 O8 s# K8 i
(3) repeat ! v; p( t1 E+ Y, R+ E! _! ?3 d
<statement sequence1>;
2 n& ?3 Z' E, }0 i. |6 s" z6 |8 M until <condition>;& N- o( k0 }% J$ r! Q7 m
(4) for <condition> to <condition> loop
3 c1 e$ k: L3 t) x$ Q <statement sequence1>;
1 @) A* q* x( o: {) {9 k n3 q% m next;
1 m9 ?& q( O7 |2 U3中断语句9 |+ x2 I; m+ A' Q3 b7 A U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' {* V Z) a) v4 `* G) m6 b还有很多，如有需要我把资料发到你邮箱里 + u& L: A$ k/ q
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