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发表于 2012-11-13 08:48:12
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1判断语句9 J5 R" u$ G7 l- g
if <condition> then9 W1 w0 Y& I0 _* v2 X, {
<statement sequence1>;
) F; @% K" _7 ?& C7 d2 H elseif <condition> then0 `& E, i0 R% v2 {7 {: Y8 _5 i
<statement sequence2>;
5 N9 o' F) ~6 @4 D3 d4 @' [. X" F2 r else
5 Q5 I3 r2 H; A4 _ <statement sequence3>;6 U5 G$ `4 I. P8 g# y: q7 n
end;
0 X- B8 T c2 M5 |6 a" Q如果分支比较多，用：
8 i5 w! G9 H1 b& @1 q* B2 K* }% x9 _ inspect <expression>7 z6 r* T2 f/ M0 i) O1 X4 M( o
when <constant_list> then
/ p! O+ n# d! u; k& `7 Y <statement sequence1>;
5 O& [' P2 Z n when <constant_list> then3 G- i6 h I" J) y/ T! l# C% @6 c( B
<statement sequence2>;
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else$ l7 T+ x, ]8 \: n5 C Q1 b) k
<statement sequence3>;% @- L# ~) Y) Y c
end;
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2循环语句
6 d2 m A J* N5 F (1) from <statement sequence1>6 h7 o$ v7 N. Q, L4 y' b
until <condition> loop! H- c4 e5 l1 q I! V
<statement sequence2>;, P! y3 t9 s9 q* z
end;
. T1 ?: i9 `1 [/ x! X (2) while <condition> loop" R/ P7 Y% y& }; P6 m4 y
<statement sequence1>;
( x: I# Y4 n% J5 ]/ I# ? end;, T3 f* c; e+ Q! p5 I
(3) repeat
: Q) U$ ~/ v. @- c8 }! P <statement sequence1>;
" A/ R& m ~# D( t/ B0 R/ E until <condition>;
W; n* I) a. ?0 L* ] (4) for <condition> to <condition> loop. o$ x( x( S) I4 v: K" N
<statement sequence1>;2 y( c! W" i/ b! d# V, i
next;4 S- u$ r& e& R0 S5 Z
3中断语句
# J/ }8 m8 [* y6 `$ C5 n waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 \ ^( M% v, m( P1 ?$ z还有很多，如有需要我把资料发到你邮箱里
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