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发表于 2012-11-13 08:48:12
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1判断语句" N3 P% _, h+ |$ _: r: W
if <condition> then& }4 l* g& ]* P0 m0 T V- s* a+ t P
<statement sequence1>;
) I9 l7 R$ _, q9 Y1 G elseif <condition> then
$ ?* L0 c9 N* d <statement sequence2>;
# Y. y6 [2 W$ @* y; O else
3 X z" @% F( t# V <statement sequence3>;& H+ e: Q( H, _( B, \. h
end;
) w6 f1 C$ u' q# \9 P% A% g如果分支比较多，用：- C( ^1 a2 l# i% u
inspect <expression>
7 t! K* a- y% ~/ @* N when <constant_list> then
! C/ Z4 K( W& f" t+ x# n <statement sequence1>;2 j: R5 ?; p3 g' K, [# G
when <constant_list> then$ l& A9 }7 }0 l$ C; k& c4 P
<statement sequence2>;% ^1 t$ _! k) e
...5 [5 [8 X6 l& g: M @9 V
else
) Y. ] v# i7 i <statement sequence3>;
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0 H1 r3 X: c' U+ @% {4 _7 Z2循环语句
' L. J0 V& g Z8 B2 V/ q (1) from <statement sequence1>* M$ Z; ^6 R6 H
until <condition> loop" @9 f& ]8 s" B( |1 \0 @- D: T7 |
<statement sequence2>;
# y1 F" q+ ^5 J9 H$ c6 v, _* j end;* ]% U. _+ `% _( A8 k
(2) while <condition> loop* r+ z" G) l" O
<statement sequence1>;
( ]# ^; C; A' _6 n% ^) f end;3 a+ i2 F/ l* d/ V. O- X
(3) repeat
0 Q4 D2 D. R, \9 u* W: N <statement sequence1>;. x2 Q0 m! K' J% K
until <condition>;9 h& w1 J9 }' m* O; b6 x
(4) for <condition> to <condition> loop
* h' V# P i. r <statement sequence1>;$ T0 T/ b# O1 g0 R4 O+ F
next;
4 p; [: h0 Q! f# }/ T, J3中断语句- `' N9 w( i5 U! C: d+ D8 a( N
waituntil <condition> prio <integer expression>;- ?0 Y& g% \" L2 [# z( G
9 k* D" P/ C8 A) l# Z" ], q
9 g w! ^0 R# s# n以上为常用的函数！
0 {4 y' @$ E+ p( ^+ p8 k4 H还有很多，如有需要我把资料发到你邮箱里 : b2 X( G1 Q4 i+ x
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