谢谢shakie的耐心解释,我按照你的建议改了代码如下(并在window窗口定义了L_null);; H$ m+ ^, Y$ ^" T4 @' V1 f/ S( d
begin model initialization function
; i5 I z# K2 o' Z. R: q! } create 1 load of load type L_null to P_Creation2* c V2 _# {4 e, f
create 1 load of load type L_null to P_Creation3
. n4 H9 R) X: o create 1 load of load type L_null to P_Creation4
, h+ c7 ?: P8 h, M, w return true
+ S) N, d' S/ k4 ~end
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begin P_Creation2 arriving procedure( t9 x' i9 W0 s+ W% D8 [( C
while 1=1 do ]9 Z2 O g( q h
begin0 D7 D( w! b$ a, @ Z: F
wait for 1 sec/ e# }& I* D& p7 |, b
create 1 load of load type L_C2 to oneof(0.2 _In2,0.8:die)7 @& U2 l' ]" C2 m" O
end: g8 G* m8 z2 |' I
end$ |1 i6 C$ t$ t! l5 |# \
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begin P_Creation3 arriving procedure
0 s2 ?! p8 _2 _, P6 nwhile 1=1 do6 f/ U8 |+ J, o) z
begin- ~) M5 k% N% ~( s3 ?( M0 s
wait for 1 sec
3 y4 w5 E B' v$ u create 1 load of load type L_C3 to oneof(0.2 _In3,0.8:die)- A/ G4 ^; \2 V& W% Z6 j" h" W1 ]
end
+ z, |. N& F5 p ^0 s" Yend
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begin P_Creation4 arriving procedure i. u. r, }( Y) a% c$ Q! ]; G
while 1=1 do
x1 d7 t5 ^$ n; I begin7 J" E+ ]* G$ s5 z, d+ I$ W& G
wait for 1 sec! m, o3 \) i4 D. t
create 1 load of load type L_C4 to oneof(0.2 _In4,0.8:die)3 m6 K H; z' F9 i0 e' R# n# @8 L: `
end" ?; w2 m6 ]- a! Q, `9 C% L
end
: r" A: T2 B; b; `
$ ~4 y4 n1 A6 z0 p% R" U( _但运行时仍然出现相同的问题(提示:ox100f5e09指令引用的“ox00000028"内存。 该内存不能为"read"),无法运行。不知问题出现在哪里,请高手指点,多谢! |