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发表于 2012-11-13 08:48:12
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1判断语句) h+ _" v# s. ]7 s7 b
if <condition> then
+ n+ n C: E) b- O8 {. x$ h8 [ <statement sequence1>;
* E! y; ^4 z! v6 a+ O elseif <condition> then, U7 E. C1 N/ R) |, x& s( y) A: v
<statement sequence2>;
+ c5 _5 y$ i: l! \, y else
u5 C# n$ x: Y6 f0 G7 A <statement sequence3>;
7 y, M* G6 Q/ A/ m; Z- }8 R8 m' I end;4 l) m4 b$ k; @ J
如果分支比较多,用:% u0 G; Q- c' I8 ^5 D4 d" U) n
inspect <expression>1 ]8 V5 |( ?% G% w) m5 I a
when <constant_list> then
/ |" K% f+ F9 [, t7 @: f6 p) q <statement sequence1>;* E& T* Q/ `9 J
when <constant_list> then1 b' I) U" m3 Z: \
<statement sequence2>;
1 o9 v/ Y8 c9 y% Z' R' W, j7 a ...
( ~% h4 H* c4 j0 M, q% Q else
; m5 G- h+ e9 @7 y% W( Z0 F <statement sequence3>;
0 C& {! {9 |( ^7 S% rend;
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6 D" B1 ?* M5 K$ ~+ y* P0 E- k0 p2循环语句4 w$ H3 Z- ?. `
(1) from <statement sequence1>
: U! A/ o8 e) w! ~7 k: |& W until <condition> loop$ N+ q0 Q4 F) `/ Q. w9 ~
<statement sequence2>;
# e* f g' y ]% c& o end;
7 `, k' H1 k9 O3 N (2) while <condition> loop8 ~ v/ d6 w/ Y( e9 W. H* R. y
<statement sequence1>;1 Y" t& n4 K4 a2 [
end;( \" r* z% ]3 N; h
(3) repeat 4 l# B9 o# \, K. p+ ]0 h/ e. `$ e2 v
<statement sequence1>;0 c& `- _: y4 ~6 i% k. U1 @9 Z
until <condition>;/ F( m2 D8 J: I+ U$ \+ O" }
(4) for <condition> to <condition> loop4 _3 C c$ M/ U( N0 g- G
<statement sequence1>;
- R3 [& _- u0 u& I/ I, k- \ next;
: f# U. {; U D! _3中断语句
" i5 N. g( R0 t9 i: p waituntil <condition> prio <integer expression>;' v( p1 s1 h1 ?* ?& `2 h8 p
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以上为常用的函数!- h# ]4 l7 x$ m$ k4 M$ \
还有很多,如有需要我把资料发到你邮箱里
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