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发表于 2012-11-13 08:48:12
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1判断语句1 v; [3 `, W/ x Q
if <condition> then
8 r7 V+ c6 |3 Y0 | <statement sequence1>;- z7 L T1 V. x: h$ L# S* z
elseif <condition> then* [" o u( r" N1 A' [; P
<statement sequence2>;. R c# b/ Z: y6 ^7 c# ], S) g
else
, ?& H4 E ~2 k2 k, l1 b <statement sequence3>;* I3 k' r" {7 A* y
end;
6 q* j: x* a. J0 S0 x$ S) [如果分支比较多，用：
& i4 B( P4 h3 f: _ inspect <expression>
( Z, o5 m# Y" m8 g# d when <constant_list> then
+ |1 `+ S' M: Y8 e; k <statement sequence1>;
) p% t; l8 C6 x, D when <constant_list> then9 s) `: a3 ~6 G+ g ~1 ]6 t+ B2 p
<statement sequence2>;
0 |- I5 p0 V" P' v' Y4 H ...
( b) y5 r% K7 t! w6 U( O else
* ]! H% J4 s) G <statement sequence3>;4 S9 l, L6 B9 v. }/ b" Q' ? |
end;7 ?/ m# O0 H1 e: n, f8 H
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2循环语句
! n n- K h) Z/ X4 B$ S8 P5 ?& ] (1) from <statement sequence1>9 M0 C2 T8 i3 J6 d
until <condition> loop3 w% D" G% [* y: j9 ]. {0 a% l
<statement sequence2>;8 `$ L& g% h8 O' |8 i1 q& j
end;
! V9 ^, c( x8 z M9 |- V (2) while <condition> loop
1 V. e7 r6 S( O/ F6 N; ? <statement sequence1>;( _; A/ J" ^4 w5 G! X
end;8 ?; f2 i( M! l9 j1 b7 O z$ ^) |
(3) repeat ' C: C; Q3 S( s. v2 X2 k. M2 s
<statement sequence1>;- M, H, Q4 h8 Z9 s
until <condition>;9 n: n3 _7 u* N `
(4) for <condition> to <condition> loop; _6 j2 |7 d* w
<statement sequence1>;# g6 q) R1 m1 G/ A$ J) ?& _: V* j
next;+ t& j. s1 h0 i/ o8 A
3中断语句7 [0 e2 s& h% S9 r
waituntil <condition> prio <integer expression>;: C: @0 | @/ W8 s3 ^$ P# u4 e
1 I( }+ @' p5 w( x
3 P' l7 S% w" K1 @' T" _以上为常用的函数！
. l/ p' `: w# }" v# j% E还有很多，如有需要我把资料发到你邮箱里 1 V: ]# ^2 l# u2 d
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