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发表于 2012-11-13 08:48:12
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1判断语句
* Q2 C: I7 \. h' h/ ? if <condition> then. g7 Y& [+ L% |7 f. K! ]
<statement sequence1>;5 d! u3 e" r) _3 A
elseif <condition> then
- }5 F6 ~9 y8 U6 n% B <statement sequence2>;+ Z" F6 G3 U5 f( Q% `; J+ V" k' S
else " X2 P+ I, S5 M. U6 d5 A
<statement sequence3>;/ a6 B( n) L$ z- ^
end;
7 B1 {# p2 m- F* g1 t ?2 F如果分支比较多，用：: ?9 s$ O* H" o/ _8 E
inspect <expression>
2 V- @% e h2 @; D$ X* \* H when <constant_list> then8 Y8 z7 t' i' r4 K+ J! F
<statement sequence1>;
/ s6 ]$ c, x u; q. ^% T% O when <constant_list> then! ~4 u1 L& y0 b$ L& Y
<statement sequence2>;
5 b+ p. m1 n2 H1 `: K$ N5 [ ...
' e+ S% A( K( P3 `5 P, G* |2 \5 J5 ] else, Y# l1 u# A5 [8 [2 N/ Q6 s5 U
<statement sequence3>;5 O+ r# D+ o" `" J+ j
end;
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6 g, J0 d$ k# h0 P- X/ s4 f2循环语句
1 j/ h- |5 Y4 V9 V- f8 S (1) from <statement sequence1>
& t' K1 b' x7 Y, _, C. A% X until <condition> loop( {) b( X( {4 }5 g+ }
<statement sequence2>;" _' R1 K1 v8 [4 x) o) M# y
end;
/ c. ?+ ?- e; z7 T1 V4 Z (2) while <condition> loop
$ ?* c+ }- v& S- a' b7 ~ <statement sequence1>;
. S+ T! k2 i2 R& J2 m$ T5 k end;, L0 d: b7 r8 ^& ]- a
(3) repeat 7 E8 q6 ]( `' V8 H6 L- W2 f% R
<statement sequence1>;
1 W; m! W H, [4 O1 A0 l until <condition>;
! U- D( {& u$ _' u) }$ q (4) for <condition> to <condition> loop7 \ T* x, f5 }! M! f
<statement sequence1>;
( _: r9 ^0 C" ~% G! X* |0 h9 r next;
0 Q0 S% u/ A( |3中断语句
# ?1 G7 [2 ?7 I+ ] waituntil <condition> prio <integer expression>;
0 ]) N! T) O/ m7 }; U) _8 \6 u, k( n" v) O ^
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以上为常用的函数！
" z2 z9 R/ ]1 X还有很多，如有需要我把资料发到你邮箱里 0 Y8 [% ^! W4 C( Z4 W5 i" K
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