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发表于 2012-11-13 08:48:12
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1判断语句) Q; C& A7 N, L) `9 d
if <condition> then
8 H4 Y) c7 {1 i9 @ <statement sequence1>;
+ e! R) p; g8 e% B) N* E# o elseif <condition> then
6 s3 u+ u! @8 l( ?8 }5 g <statement sequence2>;
' E- f6 \! h3 B2 {2 K else
! x1 [0 }: M' j. ?. \ <statement sequence3>;
% O0 D f* P& w" s end;! ?5 u/ g7 h, W4 b
如果分支比较多,用:
5 C. ?: Y+ s! E% e; Z" i inspect <expression>
& \4 K w6 t% l2 O4 t when <constant_list> then: \1 z& M1 ], b5 O! z! f' `
<statement sequence1>;
1 Z) g* Y0 u9 s- Y( i( d when <constant_list> then" t+ o/ u# W, \2 K! Q
<statement sequence2>;# O1 i1 ]- E+ Q9 }6 Y3 y
...
& t0 x% G; A3 B else
% c: h5 W- h- j <statement sequence3>; r6 E0 R2 c, D
end;4 T* K- q$ n' Z+ u: l Q6 \
- F6 i4 c' m8 i7 A2循环语句
# `" J( R1 [; L: a+ \ (1) from <statement sequence1>
. r$ I$ E; b) Y until <condition> loop
& U3 I1 I6 R) x0 x7 U <statement sequence2>; P# d# z, n. r0 E* n: K; {( H
end;
3 a+ z6 D0 ~8 M( [0 v4 b (2) while <condition> loop
+ n3 P$ R7 D n <statement sequence1>;
( \) f0 D, }( j end;
0 R/ }' M8 C5 A8 u+ d/ x (3) repeat 5 v, \2 i9 a) g2 ?3 m' i0 K
<statement sequence1>;& q; g! j6 a! A8 m1 x7 s6 | L
until <condition>;
1 U( e$ b8 ^$ |+ p* T (4) for <condition> to <condition> loop
) e' e6 c0 j$ N# ^( N# _% b# T <statement sequence1>;
, h6 f: W# }6 V" \+ E8 Y: c next;
. o: ]9 s8 ~6 b& v( h/ I0 y3中断语句
. A+ p& x, ]* ? waituntil <condition> prio <integer expression>;
) |& q4 a; C" n @% N
+ Z. e# L2 n7 l. _0 \& y7 l
! x8 }& [4 o$ Q4 t4 i7 b以上为常用的函数!: S( B% z2 A# y# a# r
还有很多,如有需要我把资料发到你邮箱里 - Y, C/ J9 B1 b% m& I
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