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发表于 2012-11-13 08:48:12
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1判断语句
% O6 R% ?; }" ?9 c9 h( T if <condition> then
: g' X2 c' s! J1 |9 \2 \0 q <statement sequence1>;
/ n. j+ a) w! o! } i elseif <condition> then! u L5 J _ g/ Q5 ]9 x7 W
<statement sequence2>;
, e# {+ d4 w$ N$ l- c( \+ z else % p% x. ?, U0 [9 g7 ?& R
<statement sequence3>;
K+ k$ k8 M( l; w end;: H3 S- G6 q( l) V8 e% y# K& Q
如果分支比较多，用：$ K( H2 k) S. h( o* h. h9 i" }
inspect <expression>. E0 A. k; u1 v0 [
when <constant_list> then
8 z, d% O: B( |! p <statement sequence1>;, y$ I; B3 }$ e- }3 y; J
when <constant_list> then8 ~! \3 x2 e# p q/ q/ ~4 y! U
<statement sequence2>;
' K5 H9 U5 X' f4 k' a& |$ i ...
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<statement sequence3>;
9 L+ r/ m) j! ?# G7 V3 Qend;
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2循环语句' }, P' s6 u7 p# r# ?; p y
(1) from <statement sequence1>8 T0 k) H# b5 x' F. l
until <condition> loop. U5 A# T3 Z. U7 X6 [
<statement sequence2>;
, a" r. Z2 D" F. |* d end;
% }1 I/ A- b+ ~* f' S (2) while <condition> loop
+ ^/ L: I4 W8 v3 U <statement sequence1>;; Z; T- B; D: R
end;
* L4 M4 b3 V+ `& J (3) repeat ' A( n4 E$ _- a% L c
<statement sequence1>;7 e' f2 M8 ?, \: `. w; Y
until <condition>;1 s( o- a! b. s6 b% ~
(4) for <condition> to <condition> loop8 Z" H% Z1 v) h7 ^6 p& F
<statement sequence1>;7 f* }" e9 _! v" A$ f1 |
next;0 ~( x: W3 }$ A. e9 m- ]7 X
3中断语句6 w" Q u, a% p% R# Y# B9 o
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
; J! w& O: u1 }; _' r* w还有很多，如有需要我把资料发到你邮箱里
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