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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
2 T6 E2 h7 S; ? f if <condition> then
8 M* m, N- n0 |' m/ {0 f4 w$ x <statement sequence1>;! O, l3 d' C3 F! n* k/ `
elseif <condition> then
! y: T7 o& z+ H <statement sequence2>;
! ? u8 D! B$ F' T. Y$ k Q else
: U% F* Z! f# T8 @- S( j! b <statement sequence3>;$ c9 q8 Z* R% a1 U/ p
end;
% L' F P. N$ n! I1 m0 W如果分支比较多,用:( l' @" U [ P* p8 I$ V
inspect <expression>
, D9 l9 _% n& v( \ when <constant_list> then4 a) I; V: v9 a5 E7 I) f5 r. h. g
<statement sequence1>;
5 T s7 g' T' y; y% l+ c when <constant_list> then1 R) M7 x7 ]# s% B
<statement sequence2>;
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else
3 s% w0 E4 ^( W6 Z( J. V, p9 ~. l <statement sequence3>;
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2循环语句
" w4 c8 s# A3 Z/ }, v. x (1) from <statement sequence1>' K( N6 ]- ?; ~" W
until <condition> loop
$ k; J1 y' W4 W T( ^2 s <statement sequence2>;
# Y2 i" S6 @% }( r$ V; \# e end;! u/ P3 N& j4 o6 |& t
(2) while <condition> loop
! N: s# N& k* z/ W# A8 G. y <statement sequence1>;* x& s1 e2 H8 H/ I$ ~& W& O
end;/ \- ]: M0 G8 A! y$ N g1 I
(3) repeat
% M- G( x8 Y( \/ B <statement sequence1>;
; ]) F2 q G) t until <condition>;
4 x* n5 u! F E0 o (4) for <condition> to <condition> loop s0 A" {$ D. U4 x: [
<statement sequence1>;" ]" G, W- g8 M' f% S
next;
+ m( y& R# c2 w. ^" l& Y3中断语句
; T- P$ H$ I& Y9 Z) J; f" r waituntil <condition> prio <integer expression>;
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% r$ x7 z$ p& g" u以上为常用的函数!0 A' x$ c8 V6 t0 s' e, p0 z& @; G
还有很多,如有需要我把资料发到你邮箱里
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