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发表于 2012-11-13 08:48:12
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1判断语句) S! t# K; m& e* ^' ~5 Y1 _: T
if <condition> then- V, O; f* j% B; V% a
<statement sequence1>;
1 e& h, I! H/ B3 [) e8 K% W) H elseif <condition> then& |( G. @* l- O& H" `( C
<statement sequence2>;
8 [$ x0 T i$ e) p8 } else : U2 ]& b" K/ O, i: Q( {* v6 y
<statement sequence3>;
' e6 S+ J) n C* C8 O end;
) M4 H& V" b. m' s! G% O6 d+ L U如果分支比较多，用：8 d7 J3 P0 ?: S8 c) l1 s
inspect <expression>
) `' L' r! J! Z5 b when <constant_list> then
1 z5 D2 I" I% [& D* Z" P" F <statement sequence1>;
1 F( F3 ^, J0 ?# L. h9 R' W- H5 } when <constant_list> then) v- o) l4 u5 u+ ]0 E0 Y# I
<statement sequence2>;
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else
" ~. Q& e' A2 H8 e( B2 X6 P3 F6 v& g <statement sequence3>;' H# J6 D* g! L; s5 p
end;& o+ \9 X# K4 a7 V! V4 a5 d+ }4 L
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2循环语句
1 z8 B+ K# @8 Z (1) from <statement sequence1>$ m/ v. A: Z( m* {/ n# h' A; V# t
until <condition> loop; n: t2 G; l" ^% ^+ h, i$ t1 c
<statement sequence2>;
. a. E3 v3 P; |; K6 m7 E) x end;+ Y9 B) x4 d9 h* ?4 [
(2) while <condition> loop
" Y) F2 j/ O1 g$ y <statement sequence1>;
1 N2 u* p7 O- m3 n5 V! b* O end;
" l: _, g- x# L9 s3 b5 ? (3) repeat 8 M: J' M g3 K
<statement sequence1>;
& b! \9 Q, p* \( T until <condition>;7 r6 ]) e" o, W/ g
(4) for <condition> to <condition> loop2 f- p* q( t8 N& w2 p
<statement sequence1>;) N2 f! n- T. J. B- s
next;# g! K; L5 o& q: i
3中断语句
6 @, v- R( q4 f ` waituntil <condition> prio <integer expression>;- h4 ]8 r* i/ ]9 e
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, a. F6 U% b, {+ t以上为常用的函数！
: M: Z8 Z# [3 w. o+ K) R5 B还有很多，如有需要我把资料发到你邮箱里
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