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发表于 2012-11-13 08:48:12
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1判断语句3 z3 @7 G" `$ P7 A7 T! p
if <condition> then0 H" F7 s& e q% a6 c
<statement sequence1>;# R- r% W8 ~: c* F2 u
elseif <condition> then
+ z) ^9 h. b/ Z4 N5 a, F5 F9 m0 e <statement sequence2>;
; w s; ^/ o! P( W3 `* c else - r( U5 u [( E9 B3 C. |
<statement sequence3>;
+ `/ ^, U$ d) V end;
d2 l0 J+ T) i7 I4 c( ?如果分支比较多，用：3 k7 U) Q% S/ k1 A
inspect <expression>/ O; J0 a9 `& I/ W* l* ]
when <constant_list> then- P4 V8 A0 X/ e; L$ S
<statement sequence1>;0 t. h; u7 K- }" t
when <constant_list> then% F# H, V" z. q* Z; l
<statement sequence2>;
" a& \7 w- S3 {4 t ...
, d7 u# u x7 H3 p9 n+ t else
5 W) }" y! F# |! Q4 c7 Q <statement sequence3>;
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4 ]8 S! O# [: n& n* g0 |' ?+ w" U2循环语句
. s3 L4 J7 C+ H J1 A, Q- p (1) from <statement sequence1>
9 Y. @' K+ ?' ^' m) J- w until <condition> loop! ?# }7 m4 l4 K" }
<statement sequence2>;
* b% N6 \0 A( \( _- p end;
; A5 q( Y D+ @: Z8 T. k1 N/ \ (2) while <condition> loop
# h4 I1 O3 m. T* f6 u4 K <statement sequence1>;) @& E2 A) x v% f/ t# m
end;
" E: b. f- o3 @: p (3) repeat
3 v9 { d3 M7 f <statement sequence1>; x( u/ {* ^) n( s7 C5 r
until <condition>;
3 [! I7 @( t( `" M' X (4) for <condition> to <condition> loop
8 M2 W( c( G2 \8 S/ W3 u9 X <statement sequence1>;9 J6 Q( Q- c5 L7 _; m
next;
5 d0 d8 f' @/ P3 a3中断语句3 W1 U% g# V( G- s Q& }% a
waituntil <condition> prio <integer expression>;+ x% \" x; x0 s
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以上为常用的函数！& [! }2 o1 J o6 l' D9 i
还有很多，如有需要我把资料发到你邮箱里
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