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发表于 2012-11-13 08:48:12
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1判断语句
+ K/ J) E3 \1 X+ y/ n+ |. x# ` if <condition> then2 N' y% w' U' u
<statement sequence1>;& G& T, N, Z8 O- z+ }
elseif <condition> then
. Q; s3 Q& q9 e% t) p( f7 z: u( x <statement sequence2>;$ X ?$ o! i% E% w8 ^7 b2 A8 n( X
else ; I# e# k# e, |3 F5 \# s
<statement sequence3>;
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如果分支比较多，用：
# \ o( K8 Y; U$ q9 n' N inspect <expression>0 M& @ T8 Z! P, C/ o# y; D
when <constant_list> then
9 x# [! [7 L6 r5 Y <statement sequence1>;
Q3 }0 ]2 t6 v1 `# v when <constant_list> then$ O) w$ ]- i; s4 ^" ~( v/ J
<statement sequence2>;
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else
( S- r( z6 A$ [ <statement sequence3>;$ o# H) W$ r7 A( x1 i
end;+ `* W' W2 {0 J3 L! i
7 B. {5 q( D1 w) S' ?3 T' F2循环语句
4 s& g, z# g2 A- h8 {7 x+ P" n0 z (1) from <statement sequence1>5 \ k+ N" J9 P- C1 W& _
until <condition> loop6 P9 v, z: f3 z
<statement sequence2>;
D/ g" D6 y% @0 E3 c end;
! K3 ]8 V: [3 N+ w (2) while <condition> loop. G8 B/ m. i$ q. `& d
<statement sequence1>;
! q6 @* H$ T$ ~ end;
) D C' h2 m; S* [5 `$ ^ (3) repeat
$ M( e4 @+ o& L- ]/ B <statement sequence1>;
' u: w; q+ L& Y7 N& `! ? until <condition>;1 F) S) e( B: N% H) d
(4) for <condition> to <condition> loop
* C( H7 g/ i4 `4 j9 r <statement sequence1>;
/ N( K* i! B2 A# `- i% e next;
' h! P. _0 ? K. V( T& s3中断语句
" M: W t9 N; o waituntil <condition> prio <integer expression>;7 W( C/ [) W) S, ^/ r+ g- Q
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以上为常用的函数！
: H/ S7 q+ E) s+ w2 X2 `还有很多，如有需要我把资料发到你邮箱里
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