说我没有可行解，但我把目标函数换成简单一点的就有解了，限制可行解的不是约束条件吗，和目标有什么关系呢？
min=@if(x1#gt#150,(x1-150)*(489-303),(150-x1)*(303-124))
+@if(x2#lt#73,(73-x2)*(303-245)+6*(303-300),@if(x2#lt#79,(79-x2)*(303-300),@if(x2#lt#81,(x2-79)*(320-300),(x2-81)*(495-303)+2*(320-300))))
+@if(x3#lt#150,(150-x3)*(303-152)+30*(303-233),@if(x3#lt#180,(180-x3)*(303-233),@if(x3#lt#200,(308-303)*(x3-180),20*(308-303+(x4-200)*(356-303)))))
+@if(x4#lt#70,(70-x4)*170+10*(303-200)+10*(303-255)+9.5*(303-302),@If(x4#lt#80,(80-x4)*(303-200)+10*(303-255)+9.5*(303-302),@if(x4#lt#90,(90-x4)*(303-255)+9.5*(303-302),(99.5-x4)*(303-302))))
+@if(x5#lt#110,(110-x5)*(303-188)+15*(303-215),@if(x5#lt#125,(125-x5)*(303-215),@if(x5#lt#135,(x5-125)*(310-303),@if(x5#lt#145,10*(310-303)+(x5-145)*(396-303),10*(310-303)+10*(396-303)+(x5-145)*(510-303)))))
+@if(x6#lt#105,(105-x6)*(303-159)+20*(303-173)+15*(303-252),@if(x6#lt#125,(125-x6)*(303-173)+15*(303-252),@if(x6#lt#140,(140-x6)*(303-252),@if(x6#lt#150,(x6-140)*(305-303),10*(305-303)+(x6-150)*(380-303)))))
+@if(x7#lt#65,(65-x7)*(303-120)+5*(303-180)+15*(303-251)+10*(303-260),@if(x7#lt#70,(70-x7)*180+15*(303-251)+10*(303-260),@if(x7#lt#85,(85-x7)*(303-251)+10*(303-260),@if(x7#lt#95,(95-x7)*(303-260),(x7-95)*(306-303)))))
+@if(x8#lt#90,(90-x8)*(303-183)+20*(303-253),@if(x8#lt#110,(110-x8)*(303-253),(113-x8)*(303-303)));
@abs(0.083*x1+0.048*x2+0.053*x3+0.12*x4-0.026*x5+0.122*x6+0.122*x7-0.002*x8+110.478)<=165;
@abs(-0.055*x1+0.128*x2+0.033*x4+0.087*x5-0.113*x6-0.019*x7+0.099*x8+131.352)<=150;
@abs(-0.069*x1+0.062*x2-0.156*x3-0.01*x4+0.125*x5+0.002*x6-0.003*x7-0.201*x8-108.993)<=160;
@abs(-0.035*x1-0.103*x2+0.205*x3-0.021*x4-0.012*x5+0.006*x6+0.145*x7+0.076*x8+77.612)<=155;
@abs(0.243*x2-0.065*x3-0.041*x4-0.065*x5+0.07*x6-0.004*x7-0.009*x8+133.133)<=132;
@abs(0.238*x1-0.061*x2-0.078*x3+0.093*x4+0.047*x5+0.166*x7+120.848)<=162;
x1>=87;
x2>=58;
x3>=132;
x4>=60.5;
x5>=98;
x6>=95;
x7>=60.1;
x8>=63;
x1<=153;
x2<=88;
x3<=228;
x4<=99.5;
x5<=152;
x6<=155;
x7<=102.1;
x8<=117;
x1+x2+x3+x4+x5+x6+x7+x8=982.4;
