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);9 F: i# J7 ^) @& v! l! W
begin model initialization function
. u: e! E5 i9 s% v8 C) M+ j create 1 load of load type L_null to P_Creation2
3 L8 J; m; N, d8 Y$ v create 1 load of load type L_null to P_Creation3% P2 v( Q' E0 s
create 1 load of load type L_null to P_Creation4
( R% \1 q' v( B/ f4 W return true
# _, p' y5 H% a8 Uend8 ~( b, c- y- S, {
+ ?# L* s+ G! a0 }# \) v1 Z
begin P_Creation2 arriving procedure
* @/ ?$ l7 b7 e% H9 z2 _5 y2 Ewhile 1=1 do! l8 E Y% V* Q3 B) u+ s6 F2 T) s* z
begin* l- |% F' {, P7 y
wait for 1 sec! O- u" p4 C1 p+ f4 R
create 1 load of load type L_C2 to oneof(0.2 _In2,0.8:die)
" i2 T; a2 w5 @9 j( z7 g end
) L6 [4 h: F& [* W) Eend! ^% s. o6 A ?
' [# n7 G* I5 b* i$ k Hbegin P_Creation3 arriving procedure \# r6 i5 y' E8 c5 t3 g a
while 1=1 do
0 N2 U3 H) n- \' O- m! E. h" A8 k begin; J# F" v6 E6 W; k3 q8 j: D! @+ _* K) S
wait for 1 sec
" V( K6 E5 u2 [9 ]+ @7 g create 1 load of load type L_C3 to oneof(0.2 _In3,0.8:die)
! q/ [% a( k9 h6 B# I6 D end% F2 D3 b- G* z( i3 l( F
end . d8 n& G' ?$ N
v% @! f1 @/ J& _- r- rbegin P_Creation4 arriving procedure% K* @! v5 V1 N! f6 B! ]
while 1=1 do
# E1 R$ c! e0 n1 w$ V begin
) ]* N& J: x& u wait for 1 sec
& g2 v/ s8 {6 B. W- h( `% m create 1 load of load type L_C4 to oneof(0.2 _In4,0.8:die)
2 g8 D- A; l! |; F9 v9 C0 v end
9 h" O$ F$ [0 t6 Q. _end' P* B, P/ U% H @
5 e+ L# s- P* Z3 ~" d) J$ h$ W: q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! |