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发表于 2012-11-13 08:48:12
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1判断语句: V7 D4 G3 T! w$ N2 K/ P D
if <condition> then- \: E! D% B* u5 A$ u
<statement sequence1>;
7 b- _1 A) |8 U1 c/ l elseif <condition> then
# d, Y0 c b9 r( D, I' P; j, v! C7 G <statement sequence2>;
6 a1 g/ u3 T6 [+ p' ?4 y else ! @4 N- a; P: I
<statement sequence3>;
9 g) J W+ F# O end;
) \4 }5 R8 v8 o! Q5 L2 P) [如果分支比较多，用：
: F& w3 k2 q3 j4 Q6 ? inspect <expression>
6 g8 Z1 ~1 a; x0 \& a when <constant_list> then5 U Y i3 G# Q# X7 r4 {7 @
<statement sequence1>;
) b2 W- ?4 w2 ~. l when <constant_list> then8 p0 P1 c/ T& L: F
<statement sequence2>;- l9 T( [) n3 z; O5 |, S
...; f- v$ |9 n! P3 Y7 G
else
4 u6 Y, i# E/ L8 h+ C' x- M0 A <statement sequence3>;
, t" Q6 f# a% ~9 o& d4 F, iend;+ m+ ~8 a# w! R# ~# _
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2循环语句
, Q2 r3 q& A4 ]1 _. y (1) from <statement sequence1>+ E6 ?9 J/ r; ~% ]( ]* w: B$ Q
until <condition> loop E' k) k9 e! u; h
<statement sequence2>; E4 ^* X7 M( V0 ~
end;# |; z& B0 w& j0 D! {7 {% B
(2) while <condition> loop9 D+ V1 N, f9 E2 @( x7 [8 A/ X
<statement sequence1>;9 x' D; o' R" w/ n
end;
+ M. {% S( a' c$ |% ? (3) repeat 3 A! I" K1 C5 ^+ w
<statement sequence1>;
[' _+ A- E8 e& U until <condition>;2 v+ [. [8 D6 D* d: ], U# e2 l6 r
(4) for <condition> to <condition> loop
# Y; F6 R( G0 j+ |& R/ J <statement sequence1>;
9 f9 j$ z' M( |# ]! ] next;
( D( K! q/ a6 y, i4 g3中断语句) ?. M1 `1 ~* s# o* @4 l- w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！( ~& O# ~- o5 ?9 Q& G3 `7 }
还有很多，如有需要我把资料发到你邮箱里
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