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发表于 2012-11-13 08:48:12
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1判断语句' k6 R' g9 ~7 ?( ~
if <condition> then
8 s) v$ }, C6 w% G) h/ C <statement sequence1>;
- O* t) G" ~. U3 l1 y( r7 n elseif <condition> then: U9 Z6 R0 x; ~: m) m% _$ p* ]% k
<statement sequence2>;0 h$ N o/ g# K0 L
else
9 B& k$ |! H7 V' I3 m9 x. G* A! | <statement sequence3>;
( X1 i9 Z( p H8 a2 q end;
8 f4 V+ b$ d2 q. ~( p; r如果分支比较多，用：$ V9 A% E. j7 Q6 F3 Y
inspect <expression>
7 c1 g* E+ {, ~# n! F2 @" x when <constant_list> then
+ R( L# ]2 d/ n4 A- c <statement sequence1>;0 |4 Q' H2 q# \' x& h
when <constant_list> then
% j d! ~* S* f& s, O% U <statement sequence2>;
( r& Q4 q8 G# O8 m; @ ...
* I1 K% M8 l- R8 x$ e else
" |0 H# A: U; e- L <statement sequence3>;
: ]6 a/ C1 F/ r. K* _7 z1 Rend;9 | G. R7 A! k
8 h. [) p1 [, T" g2循环语句# \/ Y3 I3 b9 U
(1) from <statement sequence1># e4 x8 P7 j* R5 d# @
until <condition> loop
4 ]2 |0 S3 `$ {& O0 B' p" z <statement sequence2>;9 h8 m* X' E/ k' | B, d5 j) d
end;
( g0 R7 ]/ {+ }# n% q5 A (2) while <condition> loop
- y# a8 s: t6 |7 v' M+ l0 ~2 W# w4 s% ` <statement sequence1>;+ f- }3 B6 W) C; J
end;
, T3 Y+ X3 q% i) [6 f( J% H* O (3) repeat
- m+ O5 X" z0 y" B: Y) U <statement sequence1>;
, w$ t" m4 s$ y X3 C until <condition>;
[3 s: F7 w6 b y (4) for <condition> to <condition> loop( j& B* K5 X& ]8 j. e. N% ?7 l
<statement sequence1>;, J+ s: Z( a! s E2 Y& H
next;
4 z8 V% G2 U' I6 x. J3中断语句
, z+ V- T4 D' p+ Z6 O4 w waituntil <condition> prio <integer expression>;* Q, F8 J. L% x* F, l+ [) G8 r
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以上为常用的函数！( p- G# b+ ~6 r3 z8 ^. u% o( x
还有很多，如有需要我把资料发到你邮箱里
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