如下所示：
def mat_inter(box1,box2):
# 判断两个矩形是否相交
# box=(xA,yA,xB,yB)
x01, y01, x02, y02 = box1
x11, y11, x12, y12 = box2
lx = abs((x01 + x02) / 2 - (x11 + x12) / 2)
ly = abs((y01 + y02) / 2 - (y11 + y12) / 2)
sax = abs(x01 - x02)
sbx = abs(x11 - x12)
say = abs(y01 - y02)
sby = abs(y11 - y12)
