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发表于 2012-11-13 08:48:12
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1判断语句
6 w/ W% p3 N9 N if <condition> then
+ g6 @# j/ s8 O6 ]; f <statement sequence1>;
" ^5 @6 @6 w4 }4 j elseif <condition> then, E6 f0 ]) N" x( O( W& B
<statement sequence2>;5 E: j3 K W" Z7 Q; `
else
" v4 m9 P; ]8 _" X6 a% p <statement sequence3>;% v# u% j/ M* q1 O$ U# [4 R1 }
end;0 w; U2 f9 g3 j# r G
如果分支比较多，用：+ \, d. c% Q; ]6 B% |6 K" \$ G
inspect <expression>
& B* P* N. \6 M# k1 }& u when <constant_list> then
8 |" a# w: _- x8 k <statement sequence1>;5 C# ~( ~% f9 i
when <constant_list> then
! U" _5 b5 h1 U+ }+ Y4 ?- j. P <statement sequence2>;* n' T4 b2 T, F& r6 y3 X8 X) P
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else/ I4 Z2 y7 F; M5 j; o# b* Y
<statement sequence3>;( w4 l; n: `0 Z
end;
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2循环语句$ r5 d: p0 Y4 k5 N" c+ [
(1) from <statement sequence1>3 n1 d: q0 J8 l
until <condition> loop' }! U4 g) E; ], [- V" ~/ X
<statement sequence2>;
# G' a6 W- W! O$ ^& `- \ end;- {" C. I+ a, u7 t6 y9 }0 X2 _( Y
(2) while <condition> loop
7 c, s- f# E: T5 ?( v% r! ^9 h <statement sequence1>;
' i/ w: j1 k- u end;
+ D, b7 B2 G1 H7 G4 c (3) repeat - O6 i* p" U! r+ U7 f$ v
<statement sequence1>;1 ?4 \2 q V% l: |+ o' O
until <condition>;# J- ]& c% ?/ Q+ ~" g# M; R. w
(4) for <condition> to <condition> loop
/ b) k# Q( @% h9 _5 q <statement sequence1>;
4 }0 C. C9 p3 @# k6 M+ D+ G" m' ~, C next;* D/ n- @& ~) z) l. A- U+ a: @. t; P8 o
3中断语句
7 E1 x, e" M9 Q; {8 U& n2 t waituntil <condition> prio <integer expression>;
% K% g; `! H$ ~9 a# @! i4 I) R7 K
+ y7 T A8 x, k/ X/ ?' o5 a% c. o: k3 X( I9 l
以上为常用的函数！
9 \' F9 }; h J) S {& s还有很多，如有需要我把资料发到你邮箱里
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